/*
 * Copyright 2020 Google LLC
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     https://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
// Generated by the protocol buffer compiler.  DO NOT EDIT!
// source: google/cloud/discoveryengine/v1beta/search_service.proto

package com.google.cloud.discoveryengine.v1beta;

/**
 *
 *
 * <pre>
 * Response message for
 * [SearchService.Search][google.cloud.discoveryengine.v1beta.SearchService.Search]
 * method.
 * </pre>
 *
 * Protobuf type {@code google.cloud.discoveryengine.v1beta.SearchResponse}
 */
public final class SearchResponse extends com.google.protobuf.GeneratedMessageV3
    implements
    // @@protoc_insertion_point(message_implements:google.cloud.discoveryengine.v1beta.SearchResponse)
    SearchResponseOrBuilder {
  private static final long serialVersionUID = 0L;
  // Use SearchResponse.newBuilder() to construct.
  private SearchResponse(com.google.protobuf.GeneratedMessageV3.Builder<?> builder) {
    super(builder);
  }

  private SearchResponse() {
    results_ = java.util.Collections.emptyList();
    facets_ = java.util.Collections.emptyList();
    attributionToken_ = "";
    nextPageToken_ = "";
    correctedQuery_ = "";
    appliedControls_ = com.google.protobuf.LazyStringArrayList.EMPTY;
  }

  @java.lang.Override
  @SuppressWarnings({"unused"})
  protected java.lang.Object newInstance(UnusedPrivateParameter unused) {
    return new SearchResponse();
  }

  @java.lang.Override
  public final com.google.protobuf.UnknownFieldSet getUnknownFields() {
    return this.unknownFields;
  }

  public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
    return com.google.cloud.discoveryengine.v1beta.SearchServiceProto
        .internal_static_google_cloud_discoveryengine_v1beta_SearchResponse_descriptor;
  }

  @java.lang.Override
  protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
      internalGetFieldAccessorTable() {
    return com.google.cloud.discoveryengine.v1beta.SearchServiceProto
        .internal_static_google_cloud_discoveryengine_v1beta_SearchResponse_fieldAccessorTable
        .ensureFieldAccessorsInitialized(
            com.google.cloud.discoveryengine.v1beta.SearchResponse.class,
            com.google.cloud.discoveryengine.v1beta.SearchResponse.Builder.class);
  }

  public interface SearchResultOrBuilder
      extends
      // @@protoc_insertion_point(interface_extends:google.cloud.discoveryengine.v1beta.SearchResponse.SearchResult)
      com.google.protobuf.MessageOrBuilder {

    /**
     *
     *
     * <pre>
     * [Document.id][google.cloud.discoveryengine.v1beta.Document.id] of the
     * searched [Document][google.cloud.discoveryengine.v1beta.Document].
     * </pre>
     *
     * <code>string id = 1;</code>
     *
     * @return The id.
     */
    java.lang.String getId();
    /**
     *
     *
     * <pre>
     * [Document.id][google.cloud.discoveryengine.v1beta.Document.id] of the
     * searched [Document][google.cloud.discoveryengine.v1beta.Document].
     * </pre>
     *
     * <code>string id = 1;</code>
     *
     * @return The bytes for id.
     */
    com.google.protobuf.ByteString getIdBytes();

    /**
     *
     *
     * <pre>
     * The document data snippet in the search response. Only fields that are
     * marked as retrievable are populated.
     * </pre>
     *
     * <code>.google.cloud.discoveryengine.v1beta.Document document = 2;</code>
     *
     * @return Whether the document field is set.
     */
    boolean hasDocument();
    /**
     *
     *
     * <pre>
     * The document data snippet in the search response. Only fields that are
     * marked as retrievable are populated.
     * </pre>
     *
     * <code>.google.cloud.discoveryengine.v1beta.Document document = 2;</code>
     *
     * @return The document.
     */
    com.google.cloud.discoveryengine.v1beta.Document getDocument();
    /**
     *
     *
     * <pre>
     * The document data snippet in the search response. Only fields that are
     * marked as retrievable are populated.
     * </pre>
     *
     * <code>.google.cloud.discoveryengine.v1beta.Document document = 2;</code>
     */
    com.google.cloud.discoveryengine.v1beta.DocumentOrBuilder getDocumentOrBuilder();
  }
  /**
   *
   *
   * <pre>
   * Represents the search results.
   * </pre>
   *
   * Protobuf type {@code google.cloud.discoveryengine.v1beta.SearchResponse.SearchResult}
   */
  public static final class SearchResult extends com.google.protobuf.GeneratedMessageV3
      implements
      // @@protoc_insertion_point(message_implements:google.cloud.discoveryengine.v1beta.SearchResponse.SearchResult)
      SearchResultOrBuilder {
    private static final long serialVersionUID = 0L;
    // Use SearchResult.newBuilder() to construct.
    private SearchResult(com.google.protobuf.GeneratedMessageV3.Builder<?> builder) {
      super(builder);
    }

    private SearchResult() {
      id_ = "";
    }

    @java.lang.Override
    @SuppressWarnings({"unused"})
    protected java.lang.Object newInstance(UnusedPrivateParameter unused) {
      return new SearchResult();
    }

    @java.lang.Override
    public final com.google.protobuf.UnknownFieldSet getUnknownFields() {
      return this.unknownFields;
    }

    public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
      return com.google.cloud.discoveryengine.v1beta.SearchServiceProto
          .internal_static_google_cloud_discoveryengine_v1beta_SearchResponse_SearchResult_descriptor;
    }

    @java.lang.Override
    protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
        internalGetFieldAccessorTable() {
      return com.google.cloud.discoveryengine.v1beta.SearchServiceProto
          .internal_static_google_cloud_discoveryengine_v1beta_SearchResponse_SearchResult_fieldAccessorTable
          .ensureFieldAccessorsInitialized(
              com.google.cloud.discoveryengine.v1beta.SearchResponse.SearchResult.class,
              com.google.cloud.discoveryengine.v1beta.SearchResponse.SearchResult.Builder.class);
    }

    public static final int ID_FIELD_NUMBER = 1;

    @SuppressWarnings("serial")
    private volatile java.lang.Object id_ = "";
    /**
     *
     *
     * <pre>
     * [Document.id][google.cloud.discoveryengine.v1beta.Document.id] of the
     * searched [Document][google.cloud.discoveryengine.v1beta.Document].
     * </pre>
     *
     * <code>string id = 1;</code>
     *
     * @return The id.
     */
    @java.lang.Override
    public java.lang.String getId() {
      java.lang.Object ref = id_;
      if (ref instanceof java.lang.String) {
        return (java.lang.String) ref;
      } else {
        com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
        java.lang.String s = bs.toStringUtf8();
        id_ = s;
        return s;
      }
    }
    /**
     *
     *
     * <pre>
     * [Document.id][google.cloud.discoveryengine.v1beta.Document.id] of the
     * searched [Document][google.cloud.discoveryengine.v1beta.Document].
     * </pre>
     *
     * <code>string id = 1;</code>
     *
     * @return The bytes for id.
     */
    @java.lang.Override
    public com.google.protobuf.ByteString getIdBytes() {
      java.lang.Object ref = id_;
      if (ref instanceof java.lang.String) {
        com.google.protobuf.ByteString b =
            com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
        id_ = b;
        return b;
      } else {
        return (com.google.protobuf.ByteString) ref;
      }
    }

    public static final int DOCUMENT_FIELD_NUMBER = 2;
    private com.google.cloud.discoveryengine.v1beta.Document document_;
    /**
     *
     *
     * <pre>
     * The document data snippet in the search response. Only fields that are
     * marked as retrievable are populated.
     * </pre>
     *
     * <code>.google.cloud.discoveryengine.v1beta.Document document = 2;</code>
     *
     * @return Whether the document field is set.
     */
    @java.lang.Override
    public boolean hasDocument() {
      return document_ != null;
    }
    /**
     *
     *
     * <pre>
     * The document data snippet in the search response. Only fields that are
     * marked as retrievable are populated.
     * </pre>
     *
     * <code>.google.cloud.discoveryengine.v1beta.Document document = 2;</code>
     *
     * @return The document.
     */
    @java.lang.Override
    public com.google.cloud.discoveryengine.v1beta.Document getDocument() {
      return document_ == null
          ? com.google.cloud.discoveryengine.v1beta.Document.getDefaultInstance()
          : document_;
    }
    /**
     *
     *
     * <pre>
     * The document data snippet in the search response. Only fields that are
     * marked as retrievable are populated.
     * </pre>
     *
     * <code>.google.cloud.discoveryengine.v1beta.Document document = 2;</code>
     */
    @java.lang.Override
    public com.google.cloud.discoveryengine.v1beta.DocumentOrBuilder getDocumentOrBuilder() {
      return document_ == null
          ? com.google.cloud.discoveryengine.v1beta.Document.getDefaultInstance()
          : document_;
    }

    private byte memoizedIsInitialized = -1;

    @java.lang.Override
    public final boolean isInitialized() {
      byte isInitialized = memoizedIsInitialized;
      if (isInitialized == 1) return true;
      if (isInitialized == 0) return false;

      memoizedIsInitialized = 1;
      return true;
    }

    @java.lang.Override
    public void writeTo(com.google.protobuf.CodedOutputStream output) throws java.io.IOException {
      if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(id_)) {
        com.google.protobuf.GeneratedMessageV3.writeString(output, 1, id_);
      }
      if (document_ != null) {
        output.writeMessage(2, getDocument());
      }
      getUnknownFields().writeTo(output);
    }

    @java.lang.Override
    public int getSerializedSize() {
      int size = memoizedSize;
      if (size != -1) return size;

      size = 0;
      if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(id_)) {
        size += com.google.protobuf.GeneratedMessageV3.computeStringSize(1, id_);
      }
      if (document_ != null) {
        size += com.google.protobuf.CodedOutputStream.computeMessageSize(2, getDocument());
      }
      size += getUnknownFields().getSerializedSize();
      memoizedSize = size;
      return size;
    }

    @java.lang.Override
    public boolean equals(final java.lang.Object obj) {
      if (obj == this) {
        return true;
      }
      if (!(obj instanceof com.google.cloud.discoveryengine.v1beta.SearchResponse.SearchResult)) {
        return super.equals(obj);
      }
      com.google.cloud.discoveryengine.v1beta.SearchResponse.SearchResult other =
          (com.google.cloud.discoveryengine.v1beta.SearchResponse.SearchResult) obj;

      if (!getId().equals(other.getId())) return false;
      if (hasDocument() != other.hasDocument()) return false;
      if (hasDocument()) {
        if (!getDocument().equals(other.getDocument())) return false;
      }
      if (!getUnknownFields().equals(other.getUnknownFields())) return false;
      return true;
    }

    @java.lang.Override
    public int hashCode() {
      if (memoizedHashCode != 0) {
        return memoizedHashCode;
      }
      int hash = 41;
      hash = (19 * hash) + getDescriptor().hashCode();
      hash = (37 * hash) + ID_FIELD_NUMBER;
      hash = (53 * hash) + getId().hashCode();
      if (hasDocument()) {
        hash = (37 * hash) + DOCUMENT_FIELD_NUMBER;
        hash = (53 * hash) + getDocument().hashCode();
      }
      hash = (29 * hash) + getUnknownFields().hashCode();
      memoizedHashCode = hash;
      return hash;
    }

    public static com.google.cloud.discoveryengine.v1beta.SearchResponse.SearchResult parseFrom(
        java.nio.ByteBuffer data) throws com.google.protobuf.InvalidProtocolBufferException {
      return PARSER.parseFrom(data);
    }

    public static com.google.cloud.discoveryengine.v1beta.SearchResponse.SearchResult parseFrom(
        java.nio.ByteBuffer data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
        throws com.google.protobuf.InvalidProtocolBufferException {
      return PARSER.parseFrom(data, extensionRegistry);
    }

    public static com.google.cloud.discoveryengine.v1beta.SearchResponse.SearchResult parseFrom(
        com.google.protobuf.ByteString data)
        throws com.google.protobuf.InvalidProtocolBufferException {
      return PARSER.parseFrom(data);
    }

    public static com.google.cloud.discoveryengine.v1beta.SearchResponse.SearchResult parseFrom(
        com.google.protobuf.ByteString data,
        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
        throws com.google.protobuf.InvalidProtocolBufferException {
      return PARSER.parseFrom(data, extensionRegistry);
    }

    public static com.google.cloud.discoveryengine.v1beta.SearchResponse.SearchResult parseFrom(
        byte[] data) throws com.google.protobuf.InvalidProtocolBufferException {
      return PARSER.parseFrom(data);
    }

    public static com.google.cloud.discoveryengine.v1beta.SearchResponse.SearchResult parseFrom(
        byte[] data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
        throws com.google.protobuf.InvalidProtocolBufferException {
      return PARSER.parseFrom(data, extensionRegistry);
    }

    public static com.google.cloud.discoveryengine.v1beta.SearchResponse.SearchResult parseFrom(
        java.io.InputStream input) throws java.io.IOException {
      return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
    }

    public static com.google.cloud.discoveryengine.v1beta.SearchResponse.SearchResult parseFrom(
        java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
        throws java.io.IOException {
      return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
          PARSER, input, extensionRegistry);
    }

    public static com.google.cloud.discoveryengine.v1beta.SearchResponse.SearchResult
        parseDelimitedFrom(java.io.InputStream input) throws java.io.IOException {
      return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(PARSER, input);
    }

    public static com.google.cloud.discoveryengine.v1beta.SearchResponse.SearchResult
        parseDelimitedFrom(
            java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
            throws java.io.IOException {
      return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(
          PARSER, input, extensionRegistry);
    }

    public static com.google.cloud.discoveryengine.v1beta.SearchResponse.SearchResult parseFrom(
        com.google.protobuf.CodedInputStream input) throws java.io.IOException {
      return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
    }

    public static com.google.cloud.discoveryengine.v1beta.SearchResponse.SearchResult parseFrom(
        com.google.protobuf.CodedInputStream input,
        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
        throws java.io.IOException {
      return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
          PARSER, input, extensionRegistry);
    }

    @java.lang.Override
    public Builder newBuilderForType() {
      return newBuilder();
    }

    public static Builder newBuilder() {
      return DEFAULT_INSTANCE.toBuilder();
    }

    public static Builder newBuilder(
        com.google.cloud.discoveryengine.v1beta.SearchResponse.SearchResult prototype) {
      return DEFAULT_INSTANCE.toBuilder().mergeFrom(prototype);
    }

    @java.lang.Override
    public Builder toBuilder() {
      return this == DEFAULT_INSTANCE ? new Builder() : new Builder().mergeFrom(this);
    }

    @java.lang.Override
    protected Builder newBuilderForType(
        com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
      Builder builder = new Builder(parent);
      return builder;
    }
    /**
     *
     *
     * <pre>
     * Represents the search results.
     * </pre>
     *
     * Protobuf type {@code google.cloud.discoveryengine.v1beta.SearchResponse.SearchResult}
     */
    public static final class Builder
        extends com.google.protobuf.GeneratedMessageV3.Builder<Builder>
        implements
        // @@protoc_insertion_point(builder_implements:google.cloud.discoveryengine.v1beta.SearchResponse.SearchResult)
        com.google.cloud.discoveryengine.v1beta.SearchResponse.SearchResultOrBuilder {
      public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
        return com.google.cloud.discoveryengine.v1beta.SearchServiceProto
            .internal_static_google_cloud_discoveryengine_v1beta_SearchResponse_SearchResult_descriptor;
      }

      @java.lang.Override
      protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
          internalGetFieldAccessorTable() {
        return com.google.cloud.discoveryengine.v1beta.SearchServiceProto
            .internal_static_google_cloud_discoveryengine_v1beta_SearchResponse_SearchResult_fieldAccessorTable
            .ensureFieldAccessorsInitialized(
                com.google.cloud.discoveryengine.v1beta.SearchResponse.SearchResult.class,
                com.google.cloud.discoveryengine.v1beta.SearchResponse.SearchResult.Builder.class);
      }

      // Construct using
      // com.google.cloud.discoveryengine.v1beta.SearchResponse.SearchResult.newBuilder()
      private Builder() {}

      private Builder(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
        super(parent);
      }

      @java.lang.Override
      public Builder clear() {
        super.clear();
        bitField0_ = 0;
        id_ = "";
        document_ = null;
        if (documentBuilder_ != null) {
          documentBuilder_.dispose();
          documentBuilder_ = null;
        }
        return this;
      }

      @java.lang.Override
      public com.google.protobuf.Descriptors.Descriptor getDescriptorForType() {
        return com.google.cloud.discoveryengine.v1beta.SearchServiceProto
            .internal_static_google_cloud_discoveryengine_v1beta_SearchResponse_SearchResult_descriptor;
      }

      @java.lang.Override
      public com.google.cloud.discoveryengine.v1beta.SearchResponse.SearchResult
          getDefaultInstanceForType() {
        return com.google.cloud.discoveryengine.v1beta.SearchResponse.SearchResult
            .getDefaultInstance();
      }

      @java.lang.Override
      public com.google.cloud.discoveryengine.v1beta.SearchResponse.SearchResult build() {
        com.google.cloud.discoveryengine.v1beta.SearchResponse.SearchResult result = buildPartial();
        if (!result.isInitialized()) {
          throw newUninitializedMessageException(result);
        }
        return result;
      }

      @java.lang.Override
      public com.google.cloud.discoveryengine.v1beta.SearchResponse.SearchResult buildPartial() {
        com.google.cloud.discoveryengine.v1beta.SearchResponse.SearchResult result =
            new com.google.cloud.discoveryengine.v1beta.SearchResponse.SearchResult(this);
        if (bitField0_ != 0) {
          buildPartial0(result);
        }
        onBuilt();
        return result;
      }

      private void buildPartial0(
          com.google.cloud.discoveryengine.v1beta.SearchResponse.SearchResult result) {
        int from_bitField0_ = bitField0_;
        if (((from_bitField0_ & 0x00000001) != 0)) {
          result.id_ = id_;
        }
        if (((from_bitField0_ & 0x00000002) != 0)) {
          result.document_ = documentBuilder_ == null ? document_ : documentBuilder_.build();
        }
      }

      @java.lang.Override
      public Builder clone() {
        return super.clone();
      }

      @java.lang.Override
      public Builder setField(
          com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
        return super.setField(field, value);
      }

      @java.lang.Override
      public Builder clearField(com.google.protobuf.Descriptors.FieldDescriptor field) {
        return super.clearField(field);
      }

      @java.lang.Override
      public Builder clearOneof(com.google.protobuf.Descriptors.OneofDescriptor oneof) {
        return super.clearOneof(oneof);
      }

      @java.lang.Override
      public Builder setRepeatedField(
          com.google.protobuf.Descriptors.FieldDescriptor field,
          int index,
          java.lang.Object value) {
        return super.setRepeatedField(field, index, value);
      }

      @java.lang.Override
      public Builder addRepeatedField(
          com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
        return super.addRepeatedField(field, value);
      }

      @java.lang.Override
      public Builder mergeFrom(com.google.protobuf.Message other) {
        if (other instanceof com.google.cloud.discoveryengine.v1beta.SearchResponse.SearchResult) {
          return mergeFrom(
              (com.google.cloud.discoveryengine.v1beta.SearchResponse.SearchResult) other);
        } else {
          super.mergeFrom(other);
          return this;
        }
      }

      public Builder mergeFrom(
          com.google.cloud.discoveryengine.v1beta.SearchResponse.SearchResult other) {
        if (other
            == com.google.cloud.discoveryengine.v1beta.SearchResponse.SearchResult
                .getDefaultInstance()) return this;
        if (!other.getId().isEmpty()) {
          id_ = other.id_;
          bitField0_ |= 0x00000001;
          onChanged();
        }
        if (other.hasDocument()) {
          mergeDocument(other.getDocument());
        }
        this.mergeUnknownFields(other.getUnknownFields());
        onChanged();
        return this;
      }

      @java.lang.Override
      public final boolean isInitialized() {
        return true;
      }

      @java.lang.Override
      public Builder mergeFrom(
          com.google.protobuf.CodedInputStream input,
          com.google.protobuf.ExtensionRegistryLite extensionRegistry)
          throws java.io.IOException {
        if (extensionRegistry == null) {
          throw new java.lang.NullPointerException();
        }
        try {
          boolean done = false;
          while (!done) {
            int tag = input.readTag();
            switch (tag) {
              case 0:
                done = true;
                break;
              case 10:
                {
                  id_ = input.readStringRequireUtf8();
                  bitField0_ |= 0x00000001;
                  break;
                } // case 10
              case 18:
                {
                  input.readMessage(getDocumentFieldBuilder().getBuilder(), extensionRegistry);
                  bitField0_ |= 0x00000002;
                  break;
                } // case 18
              default:
                {
                  if (!super.parseUnknownField(input, extensionRegistry, tag)) {
                    done = true; // was an endgroup tag
                  }
                  break;
                } // default:
            } // switch (tag)
          } // while (!done)
        } catch (com.google.protobuf.InvalidProtocolBufferException e) {
          throw e.unwrapIOException();
        } finally {
          onChanged();
        } // finally
        return this;
      }

      private int bitField0_;

      private java.lang.Object id_ = "";
      /**
       *
       *
       * <pre>
       * [Document.id][google.cloud.discoveryengine.v1beta.Document.id] of the
       * searched [Document][google.cloud.discoveryengine.v1beta.Document].
       * </pre>
       *
       * <code>string id = 1;</code>
       *
       * @return The id.
       */
      public java.lang.String getId() {
        java.lang.Object ref = id_;
        if (!(ref instanceof java.lang.String)) {
          com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
          java.lang.String s = bs.toStringUtf8();
          id_ = s;
          return s;
        } else {
          return (java.lang.String) ref;
        }
      }
      /**
       *
       *
       * <pre>
       * [Document.id][google.cloud.discoveryengine.v1beta.Document.id] of the
       * searched [Document][google.cloud.discoveryengine.v1beta.Document].
       * </pre>
       *
       * <code>string id = 1;</code>
       *
       * @return The bytes for id.
       */
      public com.google.protobuf.ByteString getIdBytes() {
        java.lang.Object ref = id_;
        if (ref instanceof String) {
          com.google.protobuf.ByteString b =
              com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
          id_ = b;
          return b;
        } else {
          return (com.google.protobuf.ByteString) ref;
        }
      }
      /**
       *
       *
       * <pre>
       * [Document.id][google.cloud.discoveryengine.v1beta.Document.id] of the
       * searched [Document][google.cloud.discoveryengine.v1beta.Document].
       * </pre>
       *
       * <code>string id = 1;</code>
       *
       * @param value The id to set.
       * @return This builder for chaining.
       */
      public Builder setId(java.lang.String value) {
        if (value == null) {
          throw new NullPointerException();
        }
        id_ = value;
        bitField0_ |= 0x00000001;
        onChanged();
        return this;
      }
      /**
       *
       *
       * <pre>
       * [Document.id][google.cloud.discoveryengine.v1beta.Document.id] of the
       * searched [Document][google.cloud.discoveryengine.v1beta.Document].
       * </pre>
       *
       * <code>string id = 1;</code>
       *
       * @return This builder for chaining.
       */
      public Builder clearId() {
        id_ = getDefaultInstance().getId();
        bitField0_ = (bitField0_ & ~0x00000001);
        onChanged();
        return this;
      }
      /**
       *
       *
       * <pre>
       * [Document.id][google.cloud.discoveryengine.v1beta.Document.id] of the
       * searched [Document][google.cloud.discoveryengine.v1beta.Document].
       * </pre>
       *
       * <code>string id = 1;</code>
       *
       * @param value The bytes for id to set.
       * @return This builder for chaining.
       */
      public Builder setIdBytes(com.google.protobuf.ByteString value) {
        if (value == null) {
          throw new NullPointerException();
        }
        checkByteStringIsUtf8(value);
        id_ = value;
        bitField0_ |= 0x00000001;
        onChanged();
        return this;
      }

      private com.google.cloud.discoveryengine.v1beta.Document document_;
      private com.google.protobuf.SingleFieldBuilderV3<
              com.google.cloud.discoveryengine.v1beta.Document,
              com.google.cloud.discoveryengine.v1beta.Document.Builder,
              com.google.cloud.discoveryengine.v1beta.DocumentOrBuilder>
          documentBuilder_;
      /**
       *
       *
       * <pre>
       * The document data snippet in the search response. Only fields that are
       * marked as retrievable are populated.
       * </pre>
       *
       * <code>.google.cloud.discoveryengine.v1beta.Document document = 2;</code>
       *
       * @return Whether the document field is set.
       */
      public boolean hasDocument() {
        return ((bitField0_ & 0x00000002) != 0);
      }
      /**
       *
       *
       * <pre>
       * The document data snippet in the search response. Only fields that are
       * marked as retrievable are populated.
       * </pre>
       *
       * <code>.google.cloud.discoveryengine.v1beta.Document document = 2;</code>
       *
       * @return The document.
       */
      public com.google.cloud.discoveryengine.v1beta.Document getDocument() {
        if (documentBuilder_ == null) {
          return document_ == null
              ? com.google.cloud.discoveryengine.v1beta.Document.getDefaultInstance()
              : document_;
        } else {
          return documentBuilder_.getMessage();
        }
      }
      /**
       *
       *
       * <pre>
       * The document data snippet in the search response. Only fields that are
       * marked as retrievable are populated.
       * </pre>
       *
       * <code>.google.cloud.discoveryengine.v1beta.Document document = 2;</code>
       */
      public Builder setDocument(com.google.cloud.discoveryengine.v1beta.Document value) {
        if (documentBuilder_ == null) {
          if (value == null) {
            throw new NullPointerException();
          }
          document_ = value;
        } else {
          documentBuilder_.setMessage(value);
        }
        bitField0_ |= 0x00000002;
        onChanged();
        return this;
      }
      /**
       *
       *
       * <pre>
       * The document data snippet in the search response. Only fields that are
       * marked as retrievable are populated.
       * </pre>
       *
       * <code>.google.cloud.discoveryengine.v1beta.Document document = 2;</code>
       */
      public Builder setDocument(
          com.google.cloud.discoveryengine.v1beta.Document.Builder builderForValue) {
        if (documentBuilder_ == null) {
          document_ = builderForValue.build();
        } else {
          documentBuilder_.setMessage(builderForValue.build());
        }
        bitField0_ |= 0x00000002;
        onChanged();
        return this;
      }
      /**
       *
       *
       * <pre>
       * The document data snippet in the search response. Only fields that are
       * marked as retrievable are populated.
       * </pre>
       *
       * <code>.google.cloud.discoveryengine.v1beta.Document document = 2;</code>
       */
      public Builder mergeDocument(com.google.cloud.discoveryengine.v1beta.Document value) {
        if (documentBuilder_ == null) {
          if (((bitField0_ & 0x00000002) != 0)
              && document_ != null
              && document_
                  != com.google.cloud.discoveryengine.v1beta.Document.getDefaultInstance()) {
            getDocumentBuilder().mergeFrom(value);
          } else {
            document_ = value;
          }
        } else {
          documentBuilder_.mergeFrom(value);
        }
        bitField0_ |= 0x00000002;
        onChanged();
        return this;
      }
      /**
       *
       *
       * <pre>
       * The document data snippet in the search response. Only fields that are
       * marked as retrievable are populated.
       * </pre>
       *
       * <code>.google.cloud.discoveryengine.v1beta.Document document = 2;</code>
       */
      public Builder clearDocument() {
        bitField0_ = (bitField0_ & ~0x00000002);
        document_ = null;
        if (documentBuilder_ != null) {
          documentBuilder_.dispose();
          documentBuilder_ = null;
        }
        onChanged();
        return this;
      }
      /**
       *
       *
       * <pre>
       * The document data snippet in the search response. Only fields that are
       * marked as retrievable are populated.
       * </pre>
       *
       * <code>.google.cloud.discoveryengine.v1beta.Document document = 2;</code>
       */
      public com.google.cloud.discoveryengine.v1beta.Document.Builder getDocumentBuilder() {
        bitField0_ |= 0x00000002;
        onChanged();
        return getDocumentFieldBuilder().getBuilder();
      }
      /**
       *
       *
       * <pre>
       * The document data snippet in the search response. Only fields that are
       * marked as retrievable are populated.
       * </pre>
       *
       * <code>.google.cloud.discoveryengine.v1beta.Document document = 2;</code>
       */
      public com.google.cloud.discoveryengine.v1beta.DocumentOrBuilder getDocumentOrBuilder() {
        if (documentBuilder_ != null) {
          return documentBuilder_.getMessageOrBuilder();
        } else {
          return document_ == null
              ? com.google.cloud.discoveryengine.v1beta.Document.getDefaultInstance()
              : document_;
        }
      }
      /**
       *
       *
       * <pre>
       * The document data snippet in the search response. Only fields that are
       * marked as retrievable are populated.
       * </pre>
       *
       * <code>.google.cloud.discoveryengine.v1beta.Document document = 2;</code>
       */
      private com.google.protobuf.SingleFieldBuilderV3<
              com.google.cloud.discoveryengine.v1beta.Document,
              com.google.cloud.discoveryengine.v1beta.Document.Builder,
              com.google.cloud.discoveryengine.v1beta.DocumentOrBuilder>
          getDocumentFieldBuilder() {
        if (documentBuilder_ == null) {
          documentBuilder_ =
              new com.google.protobuf.SingleFieldBuilderV3<
                  com.google.cloud.discoveryengine.v1beta.Document,
                  com.google.cloud.discoveryengine.v1beta.Document.Builder,
                  com.google.cloud.discoveryengine.v1beta.DocumentOrBuilder>(
                  getDocument(), getParentForChildren(), isClean());
          document_ = null;
        }
        return documentBuilder_;
      }

      @java.lang.Override
      public final Builder setUnknownFields(
          final com.google.protobuf.UnknownFieldSet unknownFields) {
        return super.setUnknownFields(unknownFields);
      }

      @java.lang.Override
      public final Builder mergeUnknownFields(
          final com.google.protobuf.UnknownFieldSet unknownFields) {
        return super.mergeUnknownFields(unknownFields);
      }

      // @@protoc_insertion_point(builder_scope:google.cloud.discoveryengine.v1beta.SearchResponse.SearchResult)
    }

    // @@protoc_insertion_point(class_scope:google.cloud.discoveryengine.v1beta.SearchResponse.SearchResult)
    private static final com.google.cloud.discoveryengine.v1beta.SearchResponse.SearchResult
        DEFAULT_INSTANCE;

    static {
      DEFAULT_INSTANCE = new com.google.cloud.discoveryengine.v1beta.SearchResponse.SearchResult();
    }

    public static com.google.cloud.discoveryengine.v1beta.SearchResponse.SearchResult
        getDefaultInstance() {
      return DEFAULT_INSTANCE;
    }

    private static final com.google.protobuf.Parser<SearchResult> PARSER =
        new com.google.protobuf.AbstractParser<SearchResult>() {
          @java.lang.Override
          public SearchResult parsePartialFrom(
              com.google.protobuf.CodedInputStream input,
              com.google.protobuf.ExtensionRegistryLite extensionRegistry)
              throws com.google.protobuf.InvalidProtocolBufferException {
            Builder builder = newBuilder();
            try {
              builder.mergeFrom(input, extensionRegistry);
            } catch (com.google.protobuf.InvalidProtocolBufferException e) {
              throw e.setUnfinishedMessage(builder.buildPartial());
            } catch (com.google.protobuf.UninitializedMessageException e) {
              throw e.asInvalidProtocolBufferException()
                  .setUnfinishedMessage(builder.buildPartial());
            } catch (java.io.IOException e) {
              throw new com.google.protobuf.InvalidProtocolBufferException(e)
                  .setUnfinishedMessage(builder.buildPartial());
            }
            return builder.buildPartial();
          }
        };

    public static com.google.protobuf.Parser<SearchResult> parser() {
      return PARSER;
    }

    @java.lang.Override
    public com.google.protobuf.Parser<SearchResult> getParserForType() {
      return PARSER;
    }

    @java.lang.Override
    public com.google.cloud.discoveryengine.v1beta.SearchResponse.SearchResult
        getDefaultInstanceForType() {
      return DEFAULT_INSTANCE;
    }
  }

  public interface FacetOrBuilder
      extends
      // @@protoc_insertion_point(interface_extends:google.cloud.discoveryengine.v1beta.SearchResponse.Facet)
      com.google.protobuf.MessageOrBuilder {

    /**
     *
     *
     * <pre>
     * The key for this facet. E.g., "colors" or "price". It matches
     * [SearchRequest.FacetSpec.FacetKey.key][google.cloud.discoveryengine.v1beta.SearchRequest.FacetSpec.FacetKey.key].
     * </pre>
     *
     * <code>string key = 1;</code>
     *
     * @return The key.
     */
    java.lang.String getKey();
    /**
     *
     *
     * <pre>
     * The key for this facet. E.g., "colors" or "price". It matches
     * [SearchRequest.FacetSpec.FacetKey.key][google.cloud.discoveryengine.v1beta.SearchRequest.FacetSpec.FacetKey.key].
     * </pre>
     *
     * <code>string key = 1;</code>
     *
     * @return The bytes for key.
     */
    com.google.protobuf.ByteString getKeyBytes();

    /**
     *
     *
     * <pre>
     * The facet values for this field.
     * </pre>
     *
     * <code>
     * repeated .google.cloud.discoveryengine.v1beta.SearchResponse.Facet.FacetValue values = 2;
     * </code>
     */
    java.util.List<com.google.cloud.discoveryengine.v1beta.SearchResponse.Facet.FacetValue>
        getValuesList();
    /**
     *
     *
     * <pre>
     * The facet values for this field.
     * </pre>
     *
     * <code>
     * repeated .google.cloud.discoveryengine.v1beta.SearchResponse.Facet.FacetValue values = 2;
     * </code>
     */
    com.google.cloud.discoveryengine.v1beta.SearchResponse.Facet.FacetValue getValues(int index);
    /**
     *
     *
     * <pre>
     * The facet values for this field.
     * </pre>
     *
     * <code>
     * repeated .google.cloud.discoveryengine.v1beta.SearchResponse.Facet.FacetValue values = 2;
     * </code>
     */
    int getValuesCount();
    /**
     *
     *
     * <pre>
     * The facet values for this field.
     * </pre>
     *
     * <code>
     * repeated .google.cloud.discoveryengine.v1beta.SearchResponse.Facet.FacetValue values = 2;
     * </code>
     */
    java.util.List<
            ? extends
                com.google.cloud.discoveryengine.v1beta.SearchResponse.Facet.FacetValueOrBuilder>
        getValuesOrBuilderList();
    /**
     *
     *
     * <pre>
     * The facet values for this field.
     * </pre>
     *
     * <code>
     * repeated .google.cloud.discoveryengine.v1beta.SearchResponse.Facet.FacetValue values = 2;
     * </code>
     */
    com.google.cloud.discoveryengine.v1beta.SearchResponse.Facet.FacetValueOrBuilder
        getValuesOrBuilder(int index);

    /**
     *
     *
     * <pre>
     * Whether the facet is dynamically generated.
     * </pre>
     *
     * <code>bool dynamic_facet = 3;</code>
     *
     * @return The dynamicFacet.
     */
    boolean getDynamicFacet();
  }
  /**
   *
   *
   * <pre>
   * A facet result.
   * </pre>
   *
   * Protobuf type {@code google.cloud.discoveryengine.v1beta.SearchResponse.Facet}
   */
  public static final class Facet extends com.google.protobuf.GeneratedMessageV3
      implements
      // @@protoc_insertion_point(message_implements:google.cloud.discoveryengine.v1beta.SearchResponse.Facet)
      FacetOrBuilder {
    private static final long serialVersionUID = 0L;
    // Use Facet.newBuilder() to construct.
    private Facet(com.google.protobuf.GeneratedMessageV3.Builder<?> builder) {
      super(builder);
    }

    private Facet() {
      key_ = "";
      values_ = java.util.Collections.emptyList();
    }

    @java.lang.Override
    @SuppressWarnings({"unused"})
    protected java.lang.Object newInstance(UnusedPrivateParameter unused) {
      return new Facet();
    }

    @java.lang.Override
    public final com.google.protobuf.UnknownFieldSet getUnknownFields() {
      return this.unknownFields;
    }

    public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
      return com.google.cloud.discoveryengine.v1beta.SearchServiceProto
          .internal_static_google_cloud_discoveryengine_v1beta_SearchResponse_Facet_descriptor;
    }

    @java.lang.Override
    protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
        internalGetFieldAccessorTable() {
      return com.google.cloud.discoveryengine.v1beta.SearchServiceProto
          .internal_static_google_cloud_discoveryengine_v1beta_SearchResponse_Facet_fieldAccessorTable
          .ensureFieldAccessorsInitialized(
              com.google.cloud.discoveryengine.v1beta.SearchResponse.Facet.class,
              com.google.cloud.discoveryengine.v1beta.SearchResponse.Facet.Builder.class);
    }

    public interface FacetValueOrBuilder
        extends
        // @@protoc_insertion_point(interface_extends:google.cloud.discoveryengine.v1beta.SearchResponse.Facet.FacetValue)
        com.google.protobuf.MessageOrBuilder {

      /**
       *
       *
       * <pre>
       * Text value of a facet, such as "Black" for facet "colors".
       * </pre>
       *
       * <code>string value = 1;</code>
       *
       * @return Whether the value field is set.
       */
      boolean hasValue();
      /**
       *
       *
       * <pre>
       * Text value of a facet, such as "Black" for facet "colors".
       * </pre>
       *
       * <code>string value = 1;</code>
       *
       * @return The value.
       */
      java.lang.String getValue();
      /**
       *
       *
       * <pre>
       * Text value of a facet, such as "Black" for facet "colors".
       * </pre>
       *
       * <code>string value = 1;</code>
       *
       * @return The bytes for value.
       */
      com.google.protobuf.ByteString getValueBytes();

      /**
       *
       *
       * <pre>
       * Interval value for a facet, such as [10, 20) for facet "price". It
       * matches
       * [SearchRequest.FacetSpec.FacetKey.intervals][google.cloud.discoveryengine.v1beta.SearchRequest.FacetSpec.FacetKey.intervals].
       * </pre>
       *
       * <code>.google.cloud.discoveryengine.v1beta.Interval interval = 2;</code>
       *
       * @return Whether the interval field is set.
       */
      boolean hasInterval();
      /**
       *
       *
       * <pre>
       * Interval value for a facet, such as [10, 20) for facet "price". It
       * matches
       * [SearchRequest.FacetSpec.FacetKey.intervals][google.cloud.discoveryengine.v1beta.SearchRequest.FacetSpec.FacetKey.intervals].
       * </pre>
       *
       * <code>.google.cloud.discoveryengine.v1beta.Interval interval = 2;</code>
       *
       * @return The interval.
       */
      com.google.cloud.discoveryengine.v1beta.Interval getInterval();
      /**
       *
       *
       * <pre>
       * Interval value for a facet, such as [10, 20) for facet "price". It
       * matches
       * [SearchRequest.FacetSpec.FacetKey.intervals][google.cloud.discoveryengine.v1beta.SearchRequest.FacetSpec.FacetKey.intervals].
       * </pre>
       *
       * <code>.google.cloud.discoveryengine.v1beta.Interval interval = 2;</code>
       */
      com.google.cloud.discoveryengine.v1beta.IntervalOrBuilder getIntervalOrBuilder();

      /**
       *
       *
       * <pre>
       * Number of items that have this facet value.
       * </pre>
       *
       * <code>int64 count = 3;</code>
       *
       * @return The count.
       */
      long getCount();

      public com.google.cloud.discoveryengine.v1beta.SearchResponse.Facet.FacetValue.FacetValueCase
          getFacetValueCase();
    }
    /**
     *
     *
     * <pre>
     * A facet value which contains value names and their count.
     * </pre>
     *
     * Protobuf type {@code google.cloud.discoveryengine.v1beta.SearchResponse.Facet.FacetValue}
     */
    public static final class FacetValue extends com.google.protobuf.GeneratedMessageV3
        implements
        // @@protoc_insertion_point(message_implements:google.cloud.discoveryengine.v1beta.SearchResponse.Facet.FacetValue)
        FacetValueOrBuilder {
      private static final long serialVersionUID = 0L;
      // Use FacetValue.newBuilder() to construct.
      private FacetValue(com.google.protobuf.GeneratedMessageV3.Builder<?> builder) {
        super(builder);
      }

      private FacetValue() {}

      @java.lang.Override
      @SuppressWarnings({"unused"})
      protected java.lang.Object newInstance(UnusedPrivateParameter unused) {
        return new FacetValue();
      }

      @java.lang.Override
      public final com.google.protobuf.UnknownFieldSet getUnknownFields() {
        return this.unknownFields;
      }

      public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
        return com.google.cloud.discoveryengine.v1beta.SearchServiceProto
            .internal_static_google_cloud_discoveryengine_v1beta_SearchResponse_Facet_FacetValue_descriptor;
      }

      @java.lang.Override
      protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
          internalGetFieldAccessorTable() {
        return com.google.cloud.discoveryengine.v1beta.SearchServiceProto
            .internal_static_google_cloud_discoveryengine_v1beta_SearchResponse_Facet_FacetValue_fieldAccessorTable
            .ensureFieldAccessorsInitialized(
                com.google.cloud.discoveryengine.v1beta.SearchResponse.Facet.FacetValue.class,
                com.google.cloud.discoveryengine.v1beta.SearchResponse.Facet.FacetValue.Builder
                    .class);
      }

      private int facetValueCase_ = 0;
      private java.lang.Object facetValue_;

      public enum FacetValueCase
          implements
              com.google.protobuf.Internal.EnumLite,
              com.google.protobuf.AbstractMessage.InternalOneOfEnum {
        VALUE(1),
        INTERVAL(2),
        FACETVALUE_NOT_SET(0);
        private final int value;

        private FacetValueCase(int value) {
          this.value = value;
        }
        /**
         * @param value The number of the enum to look for.
         * @return The enum associated with the given number.
         * @deprecated Use {@link #forNumber(int)} instead.
         */
        @java.lang.Deprecated
        public static FacetValueCase valueOf(int value) {
          return forNumber(value);
        }

        public static FacetValueCase forNumber(int value) {
          switch (value) {
            case 1:
              return VALUE;
            case 2:
              return INTERVAL;
            case 0:
              return FACETVALUE_NOT_SET;
            default:
              return null;
          }
        }

        public int getNumber() {
          return this.value;
        }
      };

      public FacetValueCase getFacetValueCase() {
        return FacetValueCase.forNumber(facetValueCase_);
      }

      public static final int VALUE_FIELD_NUMBER = 1;
      /**
       *
       *
       * <pre>
       * Text value of a facet, such as "Black" for facet "colors".
       * </pre>
       *
       * <code>string value = 1;</code>
       *
       * @return Whether the value field is set.
       */
      public boolean hasValue() {
        return facetValueCase_ == 1;
      }
      /**
       *
       *
       * <pre>
       * Text value of a facet, such as "Black" for facet "colors".
       * </pre>
       *
       * <code>string value = 1;</code>
       *
       * @return The value.
       */
      public java.lang.String getValue() {
        java.lang.Object ref = "";
        if (facetValueCase_ == 1) {
          ref = facetValue_;
        }
        if (ref instanceof java.lang.String) {
          return (java.lang.String) ref;
        } else {
          com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
          java.lang.String s = bs.toStringUtf8();
          if (facetValueCase_ == 1) {
            facetValue_ = s;
          }
          return s;
        }
      }
      /**
       *
       *
       * <pre>
       * Text value of a facet, such as "Black" for facet "colors".
       * </pre>
       *
       * <code>string value = 1;</code>
       *
       * @return The bytes for value.
       */
      public com.google.protobuf.ByteString getValueBytes() {
        java.lang.Object ref = "";
        if (facetValueCase_ == 1) {
          ref = facetValue_;
        }
        if (ref instanceof java.lang.String) {
          com.google.protobuf.ByteString b =
              com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
          if (facetValueCase_ == 1) {
            facetValue_ = b;
          }
          return b;
        } else {
          return (com.google.protobuf.ByteString) ref;
        }
      }

      public static final int INTERVAL_FIELD_NUMBER = 2;
      /**
       *
       *
       * <pre>
       * Interval value for a facet, such as [10, 20) for facet "price". It
       * matches
       * [SearchRequest.FacetSpec.FacetKey.intervals][google.cloud.discoveryengine.v1beta.SearchRequest.FacetSpec.FacetKey.intervals].
       * </pre>
       *
       * <code>.google.cloud.discoveryengine.v1beta.Interval interval = 2;</code>
       *
       * @return Whether the interval field is set.
       */
      @java.lang.Override
      public boolean hasInterval() {
        return facetValueCase_ == 2;
      }
      /**
       *
       *
       * <pre>
       * Interval value for a facet, such as [10, 20) for facet "price". It
       * matches
       * [SearchRequest.FacetSpec.FacetKey.intervals][google.cloud.discoveryengine.v1beta.SearchRequest.FacetSpec.FacetKey.intervals].
       * </pre>
       *
       * <code>.google.cloud.discoveryengine.v1beta.Interval interval = 2;</code>
       *
       * @return The interval.
       */
      @java.lang.Override
      public com.google.cloud.discoveryengine.v1beta.Interval getInterval() {
        if (facetValueCase_ == 2) {
          return (com.google.cloud.discoveryengine.v1beta.Interval) facetValue_;
        }
        return com.google.cloud.discoveryengine.v1beta.Interval.getDefaultInstance();
      }
      /**
       *
       *
       * <pre>
       * Interval value for a facet, such as [10, 20) for facet "price". It
       * matches
       * [SearchRequest.FacetSpec.FacetKey.intervals][google.cloud.discoveryengine.v1beta.SearchRequest.FacetSpec.FacetKey.intervals].
       * </pre>
       *
       * <code>.google.cloud.discoveryengine.v1beta.Interval interval = 2;</code>
       */
      @java.lang.Override
      public com.google.cloud.discoveryengine.v1beta.IntervalOrBuilder getIntervalOrBuilder() {
        if (facetValueCase_ == 2) {
          return (com.google.cloud.discoveryengine.v1beta.Interval) facetValue_;
        }
        return com.google.cloud.discoveryengine.v1beta.Interval.getDefaultInstance();
      }

      public static final int COUNT_FIELD_NUMBER = 3;
      private long count_ = 0L;
      /**
       *
       *
       * <pre>
       * Number of items that have this facet value.
       * </pre>
       *
       * <code>int64 count = 3;</code>
       *
       * @return The count.
       */
      @java.lang.Override
      public long getCount() {
        return count_;
      }

      private byte memoizedIsInitialized = -1;

      @java.lang.Override
      public final boolean isInitialized() {
        byte isInitialized = memoizedIsInitialized;
        if (isInitialized == 1) return true;
        if (isInitialized == 0) return false;

        memoizedIsInitialized = 1;
        return true;
      }

      @java.lang.Override
      public void writeTo(com.google.protobuf.CodedOutputStream output) throws java.io.IOException {
        if (facetValueCase_ == 1) {
          com.google.protobuf.GeneratedMessageV3.writeString(output, 1, facetValue_);
        }
        if (facetValueCase_ == 2) {
          output.writeMessage(2, (com.google.cloud.discoveryengine.v1beta.Interval) facetValue_);
        }
        if (count_ != 0L) {
          output.writeInt64(3, count_);
        }
        getUnknownFields().writeTo(output);
      }

      @java.lang.Override
      public int getSerializedSize() {
        int size = memoizedSize;
        if (size != -1) return size;

        size = 0;
        if (facetValueCase_ == 1) {
          size += com.google.protobuf.GeneratedMessageV3.computeStringSize(1, facetValue_);
        }
        if (facetValueCase_ == 2) {
          size +=
              com.google.protobuf.CodedOutputStream.computeMessageSize(
                  2, (com.google.cloud.discoveryengine.v1beta.Interval) facetValue_);
        }
        if (count_ != 0L) {
          size += com.google.protobuf.CodedOutputStream.computeInt64Size(3, count_);
        }
        size += getUnknownFields().getSerializedSize();
        memoizedSize = size;
        return size;
      }

      @java.lang.Override
      public boolean equals(final java.lang.Object obj) {
        if (obj == this) {
          return true;
        }
        if (!(obj
            instanceof com.google.cloud.discoveryengine.v1beta.SearchResponse.Facet.FacetValue)) {
          return super.equals(obj);
        }
        com.google.cloud.discoveryengine.v1beta.SearchResponse.Facet.FacetValue other =
            (com.google.cloud.discoveryengine.v1beta.SearchResponse.Facet.FacetValue) obj;

        if (getCount() != other.getCount()) return false;
        if (!getFacetValueCase().equals(other.getFacetValueCase())) return false;
        switch (facetValueCase_) {
          case 1:
            if (!getValue().equals(other.getValue())) return false;
            break;
          case 2:
            if (!getInterval().equals(other.getInterval())) return false;
            break;
          case 0:
          default:
        }
        if (!getUnknownFields().equals(other.getUnknownFields())) return false;
        return true;
      }

      @java.lang.Override
      public int hashCode() {
        if (memoizedHashCode != 0) {
          return memoizedHashCode;
        }
        int hash = 41;
        hash = (19 * hash) + getDescriptor().hashCode();
        hash = (37 * hash) + COUNT_FIELD_NUMBER;
        hash = (53 * hash) + com.google.protobuf.Internal.hashLong(getCount());
        switch (facetValueCase_) {
          case 1:
            hash = (37 * hash) + VALUE_FIELD_NUMBER;
            hash = (53 * hash) + getValue().hashCode();
            break;
          case 2:
            hash = (37 * hash) + INTERVAL_FIELD_NUMBER;
            hash = (53 * hash) + getInterval().hashCode();
            break;
          case 0:
          default:
        }
        hash = (29 * hash) + getUnknownFields().hashCode();
        memoizedHashCode = hash;
        return hash;
      }

      public static com.google.cloud.discoveryengine.v1beta.SearchResponse.Facet.FacetValue
          parseFrom(java.nio.ByteBuffer data)
              throws com.google.protobuf.InvalidProtocolBufferException {
        return PARSER.parseFrom(data);
      }

      public static com.google.cloud.discoveryengine.v1beta.SearchResponse.Facet.FacetValue
          parseFrom(
              java.nio.ByteBuffer data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
              throws com.google.protobuf.InvalidProtocolBufferException {
        return PARSER.parseFrom(data, extensionRegistry);
      }

      public static com.google.cloud.discoveryengine.v1beta.SearchResponse.Facet.FacetValue
          parseFrom(com.google.protobuf.ByteString data)
              throws com.google.protobuf.InvalidProtocolBufferException {
        return PARSER.parseFrom(data);
      }

      public static com.google.cloud.discoveryengine.v1beta.SearchResponse.Facet.FacetValue
          parseFrom(
              com.google.protobuf.ByteString data,
              com.google.protobuf.ExtensionRegistryLite extensionRegistry)
              throws com.google.protobuf.InvalidProtocolBufferException {
        return PARSER.parseFrom(data, extensionRegistry);
      }

      public static com.google.cloud.discoveryengine.v1beta.SearchResponse.Facet.FacetValue
          parseFrom(byte[] data) throws com.google.protobuf.InvalidProtocolBufferException {
        return PARSER.parseFrom(data);
      }

      public static com.google.cloud.discoveryengine.v1beta.SearchResponse.Facet.FacetValue
          parseFrom(byte[] data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
              throws com.google.protobuf.InvalidProtocolBufferException {
        return PARSER.parseFrom(data, extensionRegistry);
      }

      public static com.google.cloud.discoveryengine.v1beta.SearchResponse.Facet.FacetValue
          parseFrom(java.io.InputStream input) throws java.io.IOException {
        return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
      }

      public static com.google.cloud.discoveryengine.v1beta.SearchResponse.Facet.FacetValue
          parseFrom(
              java.io.InputStream input,
              com.google.protobuf.ExtensionRegistryLite extensionRegistry)
              throws java.io.IOException {
        return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
            PARSER, input, extensionRegistry);
      }

      public static com.google.cloud.discoveryengine.v1beta.SearchResponse.Facet.FacetValue
          parseDelimitedFrom(java.io.InputStream input) throws java.io.IOException {
        return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(PARSER, input);
      }

      public static com.google.cloud.discoveryengine.v1beta.SearchResponse.Facet.FacetValue
          parseDelimitedFrom(
              java.io.InputStream input,
              com.google.protobuf.ExtensionRegistryLite extensionRegistry)
              throws java.io.IOException {
        return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(
            PARSER, input, extensionRegistry);
      }

      public static com.google.cloud.discoveryengine.v1beta.SearchResponse.Facet.FacetValue
          parseFrom(com.google.protobuf.CodedInputStream input) throws java.io.IOException {
        return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
      }

      public static com.google.cloud.discoveryengine.v1beta.SearchResponse.Facet.FacetValue
          parseFrom(
              com.google.protobuf.CodedInputStream input,
              com.google.protobuf.ExtensionRegistryLite extensionRegistry)
              throws java.io.IOException {
        return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
            PARSER, input, extensionRegistry);
      }

      @java.lang.Override
      public Builder newBuilderForType() {
        return newBuilder();
      }

      public static Builder newBuilder() {
        return DEFAULT_INSTANCE.toBuilder();
      }

      public static Builder newBuilder(
          com.google.cloud.discoveryengine.v1beta.SearchResponse.Facet.FacetValue prototype) {
        return DEFAULT_INSTANCE.toBuilder().mergeFrom(prototype);
      }

      @java.lang.Override
      public Builder toBuilder() {
        return this == DEFAULT_INSTANCE ? new Builder() : new Builder().mergeFrom(this);
      }

      @java.lang.Override
      protected Builder newBuilderForType(
          com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
        Builder builder = new Builder(parent);
        return builder;
      }
      /**
       *
       *
       * <pre>
       * A facet value which contains value names and their count.
       * </pre>
       *
       * Protobuf type {@code google.cloud.discoveryengine.v1beta.SearchResponse.Facet.FacetValue}
       */
      public static final class Builder
          extends com.google.protobuf.GeneratedMessageV3.Builder<Builder>
          implements
          // @@protoc_insertion_point(builder_implements:google.cloud.discoveryengine.v1beta.SearchResponse.Facet.FacetValue)
          com.google.cloud.discoveryengine.v1beta.SearchResponse.Facet.FacetValueOrBuilder {
        public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
          return com.google.cloud.discoveryengine.v1beta.SearchServiceProto
              .internal_static_google_cloud_discoveryengine_v1beta_SearchResponse_Facet_FacetValue_descriptor;
        }

        @java.lang.Override
        protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
            internalGetFieldAccessorTable() {
          return com.google.cloud.discoveryengine.v1beta.SearchServiceProto
              .internal_static_google_cloud_discoveryengine_v1beta_SearchResponse_Facet_FacetValue_fieldAccessorTable
              .ensureFieldAccessorsInitialized(
                  com.google.cloud.discoveryengine.v1beta.SearchResponse.Facet.FacetValue.class,
                  com.google.cloud.discoveryengine.v1beta.SearchResponse.Facet.FacetValue.Builder
                      .class);
        }

        // Construct using
        // com.google.cloud.discoveryengine.v1beta.SearchResponse.Facet.FacetValue.newBuilder()
        private Builder() {}

        private Builder(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
          super(parent);
        }

        @java.lang.Override
        public Builder clear() {
          super.clear();
          bitField0_ = 0;
          if (intervalBuilder_ != null) {
            intervalBuilder_.clear();
          }
          count_ = 0L;
          facetValueCase_ = 0;
          facetValue_ = null;
          return this;
        }

        @java.lang.Override
        public com.google.protobuf.Descriptors.Descriptor getDescriptorForType() {
          return com.google.cloud.discoveryengine.v1beta.SearchServiceProto
              .internal_static_google_cloud_discoveryengine_v1beta_SearchResponse_Facet_FacetValue_descriptor;
        }

        @java.lang.Override
        public com.google.cloud.discoveryengine.v1beta.SearchResponse.Facet.FacetValue
            getDefaultInstanceForType() {
          return com.google.cloud.discoveryengine.v1beta.SearchResponse.Facet.FacetValue
              .getDefaultInstance();
        }

        @java.lang.Override
        public com.google.cloud.discoveryengine.v1beta.SearchResponse.Facet.FacetValue build() {
          com.google.cloud.discoveryengine.v1beta.SearchResponse.Facet.FacetValue result =
              buildPartial();
          if (!result.isInitialized()) {
            throw newUninitializedMessageException(result);
          }
          return result;
        }

        @java.lang.Override
        public com.google.cloud.discoveryengine.v1beta.SearchResponse.Facet.FacetValue
            buildPartial() {
          com.google.cloud.discoveryengine.v1beta.SearchResponse.Facet.FacetValue result =
              new com.google.cloud.discoveryengine.v1beta.SearchResponse.Facet.FacetValue(this);
          if (bitField0_ != 0) {
            buildPartial0(result);
          }
          buildPartialOneofs(result);
          onBuilt();
          return result;
        }

        private void buildPartial0(
            com.google.cloud.discoveryengine.v1beta.SearchResponse.Facet.FacetValue result) {
          int from_bitField0_ = bitField0_;
          if (((from_bitField0_ & 0x00000004) != 0)) {
            result.count_ = count_;
          }
        }

        private void buildPartialOneofs(
            com.google.cloud.discoveryengine.v1beta.SearchResponse.Facet.FacetValue result) {
          result.facetValueCase_ = facetValueCase_;
          result.facetValue_ = this.facetValue_;
          if (facetValueCase_ == 2 && intervalBuilder_ != null) {
            result.facetValue_ = intervalBuilder_.build();
          }
        }

        @java.lang.Override
        public Builder clone() {
          return super.clone();
        }

        @java.lang.Override
        public Builder setField(
            com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
          return super.setField(field, value);
        }

        @java.lang.Override
        public Builder clearField(com.google.protobuf.Descriptors.FieldDescriptor field) {
          return super.clearField(field);
        }

        @java.lang.Override
        public Builder clearOneof(com.google.protobuf.Descriptors.OneofDescriptor oneof) {
          return super.clearOneof(oneof);
        }

        @java.lang.Override
        public Builder setRepeatedField(
            com.google.protobuf.Descriptors.FieldDescriptor field,
            int index,
            java.lang.Object value) {
          return super.setRepeatedField(field, index, value);
        }

        @java.lang.Override
        public Builder addRepeatedField(
            com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
          return super.addRepeatedField(field, value);
        }

        @java.lang.Override
        public Builder mergeFrom(com.google.protobuf.Message other) {
          if (other
              instanceof com.google.cloud.discoveryengine.v1beta.SearchResponse.Facet.FacetValue) {
            return mergeFrom(
                (com.google.cloud.discoveryengine.v1beta.SearchResponse.Facet.FacetValue) other);
          } else {
            super.mergeFrom(other);
            return this;
          }
        }

        public Builder mergeFrom(
            com.google.cloud.discoveryengine.v1beta.SearchResponse.Facet.FacetValue other) {
          if (other
              == com.google.cloud.discoveryengine.v1beta.SearchResponse.Facet.FacetValue
                  .getDefaultInstance()) return this;
          if (other.getCount() != 0L) {
            setCount(other.getCount());
          }
          switch (other.getFacetValueCase()) {
            case VALUE:
              {
                facetValueCase_ = 1;
                facetValue_ = other.facetValue_;
                onChanged();
                break;
              }
            case INTERVAL:
              {
                mergeInterval(other.getInterval());
                break;
              }
            case FACETVALUE_NOT_SET:
              {
                break;
              }
          }
          this.mergeUnknownFields(other.getUnknownFields());
          onChanged();
          return this;
        }

        @java.lang.Override
        public final boolean isInitialized() {
          return true;
        }

        @java.lang.Override
        public Builder mergeFrom(
            com.google.protobuf.CodedInputStream input,
            com.google.protobuf.ExtensionRegistryLite extensionRegistry)
            throws java.io.IOException {
          if (extensionRegistry == null) {
            throw new java.lang.NullPointerException();
          }
          try {
            boolean done = false;
            while (!done) {
              int tag = input.readTag();
              switch (tag) {
                case 0:
                  done = true;
                  break;
                case 10:
                  {
                    java.lang.String s = input.readStringRequireUtf8();
                    facetValueCase_ = 1;
                    facetValue_ = s;
                    break;
                  } // case 10
                case 18:
                  {
                    input.readMessage(getIntervalFieldBuilder().getBuilder(), extensionRegistry);
                    facetValueCase_ = 2;
                    break;
                  } // case 18
                case 24:
                  {
                    count_ = input.readInt64();
                    bitField0_ |= 0x00000004;
                    break;
                  } // case 24
                default:
                  {
                    if (!super.parseUnknownField(input, extensionRegistry, tag)) {
                      done = true; // was an endgroup tag
                    }
                    break;
                  } // default:
              } // switch (tag)
            } // while (!done)
          } catch (com.google.protobuf.InvalidProtocolBufferException e) {
            throw e.unwrapIOException();
          } finally {
            onChanged();
          } // finally
          return this;
        }

        private int facetValueCase_ = 0;
        private java.lang.Object facetValue_;

        public FacetValueCase getFacetValueCase() {
          return FacetValueCase.forNumber(facetValueCase_);
        }

        public Builder clearFacetValue() {
          facetValueCase_ = 0;
          facetValue_ = null;
          onChanged();
          return this;
        }

        private int bitField0_;

        /**
         *
         *
         * <pre>
         * Text value of a facet, such as "Black" for facet "colors".
         * </pre>
         *
         * <code>string value = 1;</code>
         *
         * @return Whether the value field is set.
         */
        @java.lang.Override
        public boolean hasValue() {
          return facetValueCase_ == 1;
        }
        /**
         *
         *
         * <pre>
         * Text value of a facet, such as "Black" for facet "colors".
         * </pre>
         *
         * <code>string value = 1;</code>
         *
         * @return The value.
         */
        @java.lang.Override
        public java.lang.String getValue() {
          java.lang.Object ref = "";
          if (facetValueCase_ == 1) {
            ref = facetValue_;
          }
          if (!(ref instanceof java.lang.String)) {
            com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
            java.lang.String s = bs.toStringUtf8();
            if (facetValueCase_ == 1) {
              facetValue_ = s;
            }
            return s;
          } else {
            return (java.lang.String) ref;
          }
        }
        /**
         *
         *
         * <pre>
         * Text value of a facet, such as "Black" for facet "colors".
         * </pre>
         *
         * <code>string value = 1;</code>
         *
         * @return The bytes for value.
         */
        @java.lang.Override
        public com.google.protobuf.ByteString getValueBytes() {
          java.lang.Object ref = "";
          if (facetValueCase_ == 1) {
            ref = facetValue_;
          }
          if (ref instanceof String) {
            com.google.protobuf.ByteString b =
                com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
            if (facetValueCase_ == 1) {
              facetValue_ = b;
            }
            return b;
          } else {
            return (com.google.protobuf.ByteString) ref;
          }
        }
        /**
         *
         *
         * <pre>
         * Text value of a facet, such as "Black" for facet "colors".
         * </pre>
         *
         * <code>string value = 1;</code>
         *
         * @param value The value to set.
         * @return This builder for chaining.
         */
        public Builder setValue(java.lang.String value) {
          if (value == null) {
            throw new NullPointerException();
          }
          facetValueCase_ = 1;
          facetValue_ = value;
          onChanged();
          return this;
        }
        /**
         *
         *
         * <pre>
         * Text value of a facet, such as "Black" for facet "colors".
         * </pre>
         *
         * <code>string value = 1;</code>
         *
         * @return This builder for chaining.
         */
        public Builder clearValue() {
          if (facetValueCase_ == 1) {
            facetValueCase_ = 0;
            facetValue_ = null;
            onChanged();
          }
          return this;
        }
        /**
         *
         *
         * <pre>
         * Text value of a facet, such as "Black" for facet "colors".
         * </pre>
         *
         * <code>string value = 1;</code>
         *
         * @param value The bytes for value to set.
         * @return This builder for chaining.
         */
        public Builder setValueBytes(com.google.protobuf.ByteString value) {
          if (value == null) {
            throw new NullPointerException();
          }
          checkByteStringIsUtf8(value);
          facetValueCase_ = 1;
          facetValue_ = value;
          onChanged();
          return this;
        }

        private com.google.protobuf.SingleFieldBuilderV3<
                com.google.cloud.discoveryengine.v1beta.Interval,
                com.google.cloud.discoveryengine.v1beta.Interval.Builder,
                com.google.cloud.discoveryengine.v1beta.IntervalOrBuilder>
            intervalBuilder_;
        /**
         *
         *
         * <pre>
         * Interval value for a facet, such as [10, 20) for facet "price". It
         * matches
         * [SearchRequest.FacetSpec.FacetKey.intervals][google.cloud.discoveryengine.v1beta.SearchRequest.FacetSpec.FacetKey.intervals].
         * </pre>
         *
         * <code>.google.cloud.discoveryengine.v1beta.Interval interval = 2;</code>
         *
         * @return Whether the interval field is set.
         */
        @java.lang.Override
        public boolean hasInterval() {
          return facetValueCase_ == 2;
        }
        /**
         *
         *
         * <pre>
         * Interval value for a facet, such as [10, 20) for facet "price". It
         * matches
         * [SearchRequest.FacetSpec.FacetKey.intervals][google.cloud.discoveryengine.v1beta.SearchRequest.FacetSpec.FacetKey.intervals].
         * </pre>
         *
         * <code>.google.cloud.discoveryengine.v1beta.Interval interval = 2;</code>
         *
         * @return The interval.
         */
        @java.lang.Override
        public com.google.cloud.discoveryengine.v1beta.Interval getInterval() {
          if (intervalBuilder_ == null) {
            if (facetValueCase_ == 2) {
              return (com.google.cloud.discoveryengine.v1beta.Interval) facetValue_;
            }
            return com.google.cloud.discoveryengine.v1beta.Interval.getDefaultInstance();
          } else {
            if (facetValueCase_ == 2) {
              return intervalBuilder_.getMessage();
            }
            return com.google.cloud.discoveryengine.v1beta.Interval.getDefaultInstance();
          }
        }
        /**
         *
         *
         * <pre>
         * Interval value for a facet, such as [10, 20) for facet "price". It
         * matches
         * [SearchRequest.FacetSpec.FacetKey.intervals][google.cloud.discoveryengine.v1beta.SearchRequest.FacetSpec.FacetKey.intervals].
         * </pre>
         *
         * <code>.google.cloud.discoveryengine.v1beta.Interval interval = 2;</code>
         */
        public Builder setInterval(com.google.cloud.discoveryengine.v1beta.Interval value) {
          if (intervalBuilder_ == null) {
            if (value == null) {
              throw new NullPointerException();
            }
            facetValue_ = value;
            onChanged();
          } else {
            intervalBuilder_.setMessage(value);
          }
          facetValueCase_ = 2;
          return this;
        }
        /**
         *
         *
         * <pre>
         * Interval value for a facet, such as [10, 20) for facet "price". It
         * matches
         * [SearchRequest.FacetSpec.FacetKey.intervals][google.cloud.discoveryengine.v1beta.SearchRequest.FacetSpec.FacetKey.intervals].
         * </pre>
         *
         * <code>.google.cloud.discoveryengine.v1beta.Interval interval = 2;</code>
         */
        public Builder setInterval(
            com.google.cloud.discoveryengine.v1beta.Interval.Builder builderForValue) {
          if (intervalBuilder_ == null) {
            facetValue_ = builderForValue.build();
            onChanged();
          } else {
            intervalBuilder_.setMessage(builderForValue.build());
          }
          facetValueCase_ = 2;
          return this;
        }
        /**
         *
         *
         * <pre>
         * Interval value for a facet, such as [10, 20) for facet "price". It
         * matches
         * [SearchRequest.FacetSpec.FacetKey.intervals][google.cloud.discoveryengine.v1beta.SearchRequest.FacetSpec.FacetKey.intervals].
         * </pre>
         *
         * <code>.google.cloud.discoveryengine.v1beta.Interval interval = 2;</code>
         */
        public Builder mergeInterval(com.google.cloud.discoveryengine.v1beta.Interval value) {
          if (intervalBuilder_ == null) {
            if (facetValueCase_ == 2
                && facetValue_
                    != com.google.cloud.discoveryengine.v1beta.Interval.getDefaultInstance()) {
              facetValue_ =
                  com.google.cloud.discoveryengine.v1beta.Interval.newBuilder(
                          (com.google.cloud.discoveryengine.v1beta.Interval) facetValue_)
                      .mergeFrom(value)
                      .buildPartial();
            } else {
              facetValue_ = value;
            }
            onChanged();
          } else {
            if (facetValueCase_ == 2) {
              intervalBuilder_.mergeFrom(value);
            } else {
              intervalBuilder_.setMessage(value);
            }
          }
          facetValueCase_ = 2;
          return this;
        }
        /**
         *
         *
         * <pre>
         * Interval value for a facet, such as [10, 20) for facet "price". It
         * matches
         * [SearchRequest.FacetSpec.FacetKey.intervals][google.cloud.discoveryengine.v1beta.SearchRequest.FacetSpec.FacetKey.intervals].
         * </pre>
         *
         * <code>.google.cloud.discoveryengine.v1beta.Interval interval = 2;</code>
         */
        public Builder clearInterval() {
          if (intervalBuilder_ == null) {
            if (facetValueCase_ == 2) {
              facetValueCase_ = 0;
              facetValue_ = null;
              onChanged();
            }
          } else {
            if (facetValueCase_ == 2) {
              facetValueCase_ = 0;
              facetValue_ = null;
            }
            intervalBuilder_.clear();
          }
          return this;
        }
        /**
         *
         *
         * <pre>
         * Interval value for a facet, such as [10, 20) for facet "price". It
         * matches
         * [SearchRequest.FacetSpec.FacetKey.intervals][google.cloud.discoveryengine.v1beta.SearchRequest.FacetSpec.FacetKey.intervals].
         * </pre>
         *
         * <code>.google.cloud.discoveryengine.v1beta.Interval interval = 2;</code>
         */
        public com.google.cloud.discoveryengine.v1beta.Interval.Builder getIntervalBuilder() {
          return getIntervalFieldBuilder().getBuilder();
        }
        /**
         *
         *
         * <pre>
         * Interval value for a facet, such as [10, 20) for facet "price". It
         * matches
         * [SearchRequest.FacetSpec.FacetKey.intervals][google.cloud.discoveryengine.v1beta.SearchRequest.FacetSpec.FacetKey.intervals].
         * </pre>
         *
         * <code>.google.cloud.discoveryengine.v1beta.Interval interval = 2;</code>
         */
        @java.lang.Override
        public com.google.cloud.discoveryengine.v1beta.IntervalOrBuilder getIntervalOrBuilder() {
          if ((facetValueCase_ == 2) && (intervalBuilder_ != null)) {
            return intervalBuilder_.getMessageOrBuilder();
          } else {
            if (facetValueCase_ == 2) {
              return (com.google.cloud.discoveryengine.v1beta.Interval) facetValue_;
            }
            return com.google.cloud.discoveryengine.v1beta.Interval.getDefaultInstance();
          }
        }
        /**
         *
         *
         * <pre>
         * Interval value for a facet, such as [10, 20) for facet "price". It
         * matches
         * [SearchRequest.FacetSpec.FacetKey.intervals][google.cloud.discoveryengine.v1beta.SearchRequest.FacetSpec.FacetKey.intervals].
         * </pre>
         *
         * <code>.google.cloud.discoveryengine.v1beta.Interval interval = 2;</code>
         */
        private com.google.protobuf.SingleFieldBuilderV3<
                com.google.cloud.discoveryengine.v1beta.Interval,
                com.google.cloud.discoveryengine.v1beta.Interval.Builder,
                com.google.cloud.discoveryengine.v1beta.IntervalOrBuilder>
            getIntervalFieldBuilder() {
          if (intervalBuilder_ == null) {
            if (!(facetValueCase_ == 2)) {
              facetValue_ = com.google.cloud.discoveryengine.v1beta.Interval.getDefaultInstance();
            }
            intervalBuilder_ =
                new com.google.protobuf.SingleFieldBuilderV3<
                    com.google.cloud.discoveryengine.v1beta.Interval,
                    com.google.cloud.discoveryengine.v1beta.Interval.Builder,
                    com.google.cloud.discoveryengine.v1beta.IntervalOrBuilder>(
                    (com.google.cloud.discoveryengine.v1beta.Interval) facetValue_,
                    getParentForChildren(),
                    isClean());
            facetValue_ = null;
          }
          facetValueCase_ = 2;
          onChanged();
          return intervalBuilder_;
        }

        private long count_;
        /**
         *
         *
         * <pre>
         * Number of items that have this facet value.
         * </pre>
         *
         * <code>int64 count = 3;</code>
         *
         * @return The count.
         */
        @java.lang.Override
        public long getCount() {
          return count_;
        }
        /**
         *
         *
         * <pre>
         * Number of items that have this facet value.
         * </pre>
         *
         * <code>int64 count = 3;</code>
         *
         * @param value The count to set.
         * @return This builder for chaining.
         */
        public Builder setCount(long value) {

          count_ = value;
          bitField0_ |= 0x00000004;
          onChanged();
          return this;
        }
        /**
         *
         *
         * <pre>
         * Number of items that have this facet value.
         * </pre>
         *
         * <code>int64 count = 3;</code>
         *
         * @return This builder for chaining.
         */
        public Builder clearCount() {
          bitField0_ = (bitField0_ & ~0x00000004);
          count_ = 0L;
          onChanged();
          return this;
        }

        @java.lang.Override
        public final Builder setUnknownFields(
            final com.google.protobuf.UnknownFieldSet unknownFields) {
          return super.setUnknownFields(unknownFields);
        }

        @java.lang.Override
        public final Builder mergeUnknownFields(
            final com.google.protobuf.UnknownFieldSet unknownFields) {
          return super.mergeUnknownFields(unknownFields);
        }

        // @@protoc_insertion_point(builder_scope:google.cloud.discoveryengine.v1beta.SearchResponse.Facet.FacetValue)
      }

      // @@protoc_insertion_point(class_scope:google.cloud.discoveryengine.v1beta.SearchResponse.Facet.FacetValue)
      private static final com.google.cloud.discoveryengine.v1beta.SearchResponse.Facet.FacetValue
          DEFAULT_INSTANCE;

      static {
        DEFAULT_INSTANCE =
            new com.google.cloud.discoveryengine.v1beta.SearchResponse.Facet.FacetValue();
      }

      public static com.google.cloud.discoveryengine.v1beta.SearchResponse.Facet.FacetValue
          getDefaultInstance() {
        return DEFAULT_INSTANCE;
      }

      private static final com.google.protobuf.Parser<FacetValue> PARSER =
          new com.google.protobuf.AbstractParser<FacetValue>() {
            @java.lang.Override
            public FacetValue parsePartialFrom(
                com.google.protobuf.CodedInputStream input,
                com.google.protobuf.ExtensionRegistryLite extensionRegistry)
                throws com.google.protobuf.InvalidProtocolBufferException {
              Builder builder = newBuilder();
              try {
                builder.mergeFrom(input, extensionRegistry);
              } catch (com.google.protobuf.InvalidProtocolBufferException e) {
                throw e.setUnfinishedMessage(builder.buildPartial());
              } catch (com.google.protobuf.UninitializedMessageException e) {
                throw e.asInvalidProtocolBufferException()
                    .setUnfinishedMessage(builder.buildPartial());
              } catch (java.io.IOException e) {
                throw new com.google.protobuf.InvalidProtocolBufferException(e)
                    .setUnfinishedMessage(builder.buildPartial());
              }
              return builder.buildPartial();
            }
          };

      public static com.google.protobuf.Parser<FacetValue> parser() {
        return PARSER;
      }

      @java.lang.Override
      public com.google.protobuf.Parser<FacetValue> getParserForType() {
        return PARSER;
      }

      @java.lang.Override
      public com.google.cloud.discoveryengine.v1beta.SearchResponse.Facet.FacetValue
          getDefaultInstanceForType() {
        return DEFAULT_INSTANCE;
      }
    }

    public static final int KEY_FIELD_NUMBER = 1;

    @SuppressWarnings("serial")
    private volatile java.lang.Object key_ = "";
    /**
     *
     *
     * <pre>
     * The key for this facet. E.g., "colors" or "price". It matches
     * [SearchRequest.FacetSpec.FacetKey.key][google.cloud.discoveryengine.v1beta.SearchRequest.FacetSpec.FacetKey.key].
     * </pre>
     *
     * <code>string key = 1;</code>
     *
     * @return The key.
     */
    @java.lang.Override
    public java.lang.String getKey() {
      java.lang.Object ref = key_;
      if (ref instanceof java.lang.String) {
        return (java.lang.String) ref;
      } else {
        com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
        java.lang.String s = bs.toStringUtf8();
        key_ = s;
        return s;
      }
    }
    /**
     *
     *
     * <pre>
     * The key for this facet. E.g., "colors" or "price". It matches
     * [SearchRequest.FacetSpec.FacetKey.key][google.cloud.discoveryengine.v1beta.SearchRequest.FacetSpec.FacetKey.key].
     * </pre>
     *
     * <code>string key = 1;</code>
     *
     * @return The bytes for key.
     */
    @java.lang.Override
    public com.google.protobuf.ByteString getKeyBytes() {
      java.lang.Object ref = key_;
      if (ref instanceof java.lang.String) {
        com.google.protobuf.ByteString b =
            com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
        key_ = b;
        return b;
      } else {
        return (com.google.protobuf.ByteString) ref;
      }
    }

    public static final int VALUES_FIELD_NUMBER = 2;

    @SuppressWarnings("serial")
    private java.util.List<com.google.cloud.discoveryengine.v1beta.SearchResponse.Facet.FacetValue>
        values_;
    /**
     *
     *
     * <pre>
     * The facet values for this field.
     * </pre>
     *
     * <code>
     * repeated .google.cloud.discoveryengine.v1beta.SearchResponse.Facet.FacetValue values = 2;
     * </code>
     */
    @java.lang.Override
    public java.util.List<com.google.cloud.discoveryengine.v1beta.SearchResponse.Facet.FacetValue>
        getValuesList() {
      return values_;
    }
    /**
     *
     *
     * <pre>
     * The facet values for this field.
     * </pre>
     *
     * <code>
     * repeated .google.cloud.discoveryengine.v1beta.SearchResponse.Facet.FacetValue values = 2;
     * </code>
     */
    @java.lang.Override
    public java.util.List<
            ? extends
                com.google.cloud.discoveryengine.v1beta.SearchResponse.Facet.FacetValueOrBuilder>
        getValuesOrBuilderList() {
      return values_;
    }
    /**
     *
     *
     * <pre>
     * The facet values for this field.
     * </pre>
     *
     * <code>
     * repeated .google.cloud.discoveryengine.v1beta.SearchResponse.Facet.FacetValue values = 2;
     * </code>
     */
    @java.lang.Override
    public int getValuesCount() {
      return values_.size();
    }
    /**
     *
     *
     * <pre>
     * The facet values for this field.
     * </pre>
     *
     * <code>
     * repeated .google.cloud.discoveryengine.v1beta.SearchResponse.Facet.FacetValue values = 2;
     * </code>
     */
    @java.lang.Override
    public com.google.cloud.discoveryengine.v1beta.SearchResponse.Facet.FacetValue getValues(
        int index) {
      return values_.get(index);
    }
    /**
     *
     *
     * <pre>
     * The facet values for this field.
     * </pre>
     *
     * <code>
     * repeated .google.cloud.discoveryengine.v1beta.SearchResponse.Facet.FacetValue values = 2;
     * </code>
     */
    @java.lang.Override
    public com.google.cloud.discoveryengine.v1beta.SearchResponse.Facet.FacetValueOrBuilder
        getValuesOrBuilder(int index) {
      return values_.get(index);
    }

    public static final int DYNAMIC_FACET_FIELD_NUMBER = 3;
    private boolean dynamicFacet_ = false;
    /**
     *
     *
     * <pre>
     * Whether the facet is dynamically generated.
     * </pre>
     *
     * <code>bool dynamic_facet = 3;</code>
     *
     * @return The dynamicFacet.
     */
    @java.lang.Override
    public boolean getDynamicFacet() {
      return dynamicFacet_;
    }

    private byte memoizedIsInitialized = -1;

    @java.lang.Override
    public final boolean isInitialized() {
      byte isInitialized = memoizedIsInitialized;
      if (isInitialized == 1) return true;
      if (isInitialized == 0) return false;

      memoizedIsInitialized = 1;
      return true;
    }

    @java.lang.Override
    public void writeTo(com.google.protobuf.CodedOutputStream output) throws java.io.IOException {
      if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(key_)) {
        com.google.protobuf.GeneratedMessageV3.writeString(output, 1, key_);
      }
      for (int i = 0; i < values_.size(); i++) {
        output.writeMessage(2, values_.get(i));
      }
      if (dynamicFacet_ != false) {
        output.writeBool(3, dynamicFacet_);
      }
      getUnknownFields().writeTo(output);
    }

    @java.lang.Override
    public int getSerializedSize() {
      int size = memoizedSize;
      if (size != -1) return size;

      size = 0;
      if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(key_)) {
        size += com.google.protobuf.GeneratedMessageV3.computeStringSize(1, key_);
      }
      for (int i = 0; i < values_.size(); i++) {
        size += com.google.protobuf.CodedOutputStream.computeMessageSize(2, values_.get(i));
      }
      if (dynamicFacet_ != false) {
        size += com.google.protobuf.CodedOutputStream.computeBoolSize(3, dynamicFacet_);
      }
      size += getUnknownFields().getSerializedSize();
      memoizedSize = size;
      return size;
    }

    @java.lang.Override
    public boolean equals(final java.lang.Object obj) {
      if (obj == this) {
        return true;
      }
      if (!(obj instanceof com.google.cloud.discoveryengine.v1beta.SearchResponse.Facet)) {
        return super.equals(obj);
      }
      com.google.cloud.discoveryengine.v1beta.SearchResponse.Facet other =
          (com.google.cloud.discoveryengine.v1beta.SearchResponse.Facet) obj;

      if (!getKey().equals(other.getKey())) return false;
      if (!getValuesList().equals(other.getValuesList())) return false;
      if (getDynamicFacet() != other.getDynamicFacet()) return false;
      if (!getUnknownFields().equals(other.getUnknownFields())) return false;
      return true;
    }

    @java.lang.Override
    public int hashCode() {
      if (memoizedHashCode != 0) {
        return memoizedHashCode;
      }
      int hash = 41;
      hash = (19 * hash) + getDescriptor().hashCode();
      hash = (37 * hash) + KEY_FIELD_NUMBER;
      hash = (53 * hash) + getKey().hashCode();
      if (getValuesCount() > 0) {
        hash = (37 * hash) + VALUES_FIELD_NUMBER;
        hash = (53 * hash) + getValuesList().hashCode();
      }
      hash = (37 * hash) + DYNAMIC_FACET_FIELD_NUMBER;
      hash = (53 * hash) + com.google.protobuf.Internal.hashBoolean(getDynamicFacet());
      hash = (29 * hash) + getUnknownFields().hashCode();
      memoizedHashCode = hash;
      return hash;
    }

    public static com.google.cloud.discoveryengine.v1beta.SearchResponse.Facet parseFrom(
        java.nio.ByteBuffer data) throws com.google.protobuf.InvalidProtocolBufferException {
      return PARSER.parseFrom(data);
    }

    public static com.google.cloud.discoveryengine.v1beta.SearchResponse.Facet parseFrom(
        java.nio.ByteBuffer data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
        throws com.google.protobuf.InvalidProtocolBufferException {
      return PARSER.parseFrom(data, extensionRegistry);
    }

    public static com.google.cloud.discoveryengine.v1beta.SearchResponse.Facet parseFrom(
        com.google.protobuf.ByteString data)
        throws com.google.protobuf.InvalidProtocolBufferException {
      return PARSER.parseFrom(data);
    }

    public static com.google.cloud.discoveryengine.v1beta.SearchResponse.Facet parseFrom(
        com.google.protobuf.ByteString data,
        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
        throws com.google.protobuf.InvalidProtocolBufferException {
      return PARSER.parseFrom(data, extensionRegistry);
    }

    public static com.google.cloud.discoveryengine.v1beta.SearchResponse.Facet parseFrom(
        byte[] data) throws com.google.protobuf.InvalidProtocolBufferException {
      return PARSER.parseFrom(data);
    }

    public static com.google.cloud.discoveryengine.v1beta.SearchResponse.Facet parseFrom(
        byte[] data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
        throws com.google.protobuf.InvalidProtocolBufferException {
      return PARSER.parseFrom(data, extensionRegistry);
    }

    public static com.google.cloud.discoveryengine.v1beta.SearchResponse.Facet parseFrom(
        java.io.InputStream input) throws java.io.IOException {
      return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
    }

    public static com.google.cloud.discoveryengine.v1beta.SearchResponse.Facet parseFrom(
        java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
        throws java.io.IOException {
      return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
          PARSER, input, extensionRegistry);
    }

    public static com.google.cloud.discoveryengine.v1beta.SearchResponse.Facet parseDelimitedFrom(
        java.io.InputStream input) throws java.io.IOException {
      return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(PARSER, input);
    }

    public static com.google.cloud.discoveryengine.v1beta.SearchResponse.Facet parseDelimitedFrom(
        java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
        throws java.io.IOException {
      return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(
          PARSER, input, extensionRegistry);
    }

    public static com.google.cloud.discoveryengine.v1beta.SearchResponse.Facet parseFrom(
        com.google.protobuf.CodedInputStream input) throws java.io.IOException {
      return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
    }

    public static com.google.cloud.discoveryengine.v1beta.SearchResponse.Facet parseFrom(
        com.google.protobuf.CodedInputStream input,
        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
        throws java.io.IOException {
      return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
          PARSER, input, extensionRegistry);
    }

    @java.lang.Override
    public Builder newBuilderForType() {
      return newBuilder();
    }

    public static Builder newBuilder() {
      return DEFAULT_INSTANCE.toBuilder();
    }

    public static Builder newBuilder(
        com.google.cloud.discoveryengine.v1beta.SearchResponse.Facet prototype) {
      return DEFAULT_INSTANCE.toBuilder().mergeFrom(prototype);
    }

    @java.lang.Override
    public Builder toBuilder() {
      return this == DEFAULT_INSTANCE ? new Builder() : new Builder().mergeFrom(this);
    }

    @java.lang.Override
    protected Builder newBuilderForType(
        com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
      Builder builder = new Builder(parent);
      return builder;
    }
    /**
     *
     *
     * <pre>
     * A facet result.
     * </pre>
     *
     * Protobuf type {@code google.cloud.discoveryengine.v1beta.SearchResponse.Facet}
     */
    public static final class Builder
        extends com.google.protobuf.GeneratedMessageV3.Builder<Builder>
        implements
        // @@protoc_insertion_point(builder_implements:google.cloud.discoveryengine.v1beta.SearchResponse.Facet)
        com.google.cloud.discoveryengine.v1beta.SearchResponse.FacetOrBuilder {
      public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
        return com.google.cloud.discoveryengine.v1beta.SearchServiceProto
            .internal_static_google_cloud_discoveryengine_v1beta_SearchResponse_Facet_descriptor;
      }

      @java.lang.Override
      protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
          internalGetFieldAccessorTable() {
        return com.google.cloud.discoveryengine.v1beta.SearchServiceProto
            .internal_static_google_cloud_discoveryengine_v1beta_SearchResponse_Facet_fieldAccessorTable
            .ensureFieldAccessorsInitialized(
                com.google.cloud.discoveryengine.v1beta.SearchResponse.Facet.class,
                com.google.cloud.discoveryengine.v1beta.SearchResponse.Facet.Builder.class);
      }

      // Construct using com.google.cloud.discoveryengine.v1beta.SearchResponse.Facet.newBuilder()
      private Builder() {}

      private Builder(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
        super(parent);
      }

      @java.lang.Override
      public Builder clear() {
        super.clear();
        bitField0_ = 0;
        key_ = "";
        if (valuesBuilder_ == null) {
          values_ = java.util.Collections.emptyList();
        } else {
          values_ = null;
          valuesBuilder_.clear();
        }
        bitField0_ = (bitField0_ & ~0x00000002);
        dynamicFacet_ = false;
        return this;
      }

      @java.lang.Override
      public com.google.protobuf.Descriptors.Descriptor getDescriptorForType() {
        return com.google.cloud.discoveryengine.v1beta.SearchServiceProto
            .internal_static_google_cloud_discoveryengine_v1beta_SearchResponse_Facet_descriptor;
      }

      @java.lang.Override
      public com.google.cloud.discoveryengine.v1beta.SearchResponse.Facet
          getDefaultInstanceForType() {
        return com.google.cloud.discoveryengine.v1beta.SearchResponse.Facet.getDefaultInstance();
      }

      @java.lang.Override
      public com.google.cloud.discoveryengine.v1beta.SearchResponse.Facet build() {
        com.google.cloud.discoveryengine.v1beta.SearchResponse.Facet result = buildPartial();
        if (!result.isInitialized()) {
          throw newUninitializedMessageException(result);
        }
        return result;
      }

      @java.lang.Override
      public com.google.cloud.discoveryengine.v1beta.SearchResponse.Facet buildPartial() {
        com.google.cloud.discoveryengine.v1beta.SearchResponse.Facet result =
            new com.google.cloud.discoveryengine.v1beta.SearchResponse.Facet(this);
        buildPartialRepeatedFields(result);
        if (bitField0_ != 0) {
          buildPartial0(result);
        }
        onBuilt();
        return result;
      }

      private void buildPartialRepeatedFields(
          com.google.cloud.discoveryengine.v1beta.SearchResponse.Facet result) {
        if (valuesBuilder_ == null) {
          if (((bitField0_ & 0x00000002) != 0)) {
            values_ = java.util.Collections.unmodifiableList(values_);
            bitField0_ = (bitField0_ & ~0x00000002);
          }
          result.values_ = values_;
        } else {
          result.values_ = valuesBuilder_.build();
        }
      }

      private void buildPartial0(
          com.google.cloud.discoveryengine.v1beta.SearchResponse.Facet result) {
        int from_bitField0_ = bitField0_;
        if (((from_bitField0_ & 0x00000001) != 0)) {
          result.key_ = key_;
        }
        if (((from_bitField0_ & 0x00000004) != 0)) {
          result.dynamicFacet_ = dynamicFacet_;
        }
      }

      @java.lang.Override
      public Builder clone() {
        return super.clone();
      }

      @java.lang.Override
      public Builder setField(
          com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
        return super.setField(field, value);
      }

      @java.lang.Override
      public Builder clearField(com.google.protobuf.Descriptors.FieldDescriptor field) {
        return super.clearField(field);
      }

      @java.lang.Override
      public Builder clearOneof(com.google.protobuf.Descriptors.OneofDescriptor oneof) {
        return super.clearOneof(oneof);
      }

      @java.lang.Override
      public Builder setRepeatedField(
          com.google.protobuf.Descriptors.FieldDescriptor field,
          int index,
          java.lang.Object value) {
        return super.setRepeatedField(field, index, value);
      }

      @java.lang.Override
      public Builder addRepeatedField(
          com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
        return super.addRepeatedField(field, value);
      }

      @java.lang.Override
      public Builder mergeFrom(com.google.protobuf.Message other) {
        if (other instanceof com.google.cloud.discoveryengine.v1beta.SearchResponse.Facet) {
          return mergeFrom((com.google.cloud.discoveryengine.v1beta.SearchResponse.Facet) other);
        } else {
          super.mergeFrom(other);
          return this;
        }
      }

      public Builder mergeFrom(com.google.cloud.discoveryengine.v1beta.SearchResponse.Facet other) {
        if (other
            == com.google.cloud.discoveryengine.v1beta.SearchResponse.Facet.getDefaultInstance())
          return this;
        if (!other.getKey().isEmpty()) {
          key_ = other.key_;
          bitField0_ |= 0x00000001;
          onChanged();
        }
        if (valuesBuilder_ == null) {
          if (!other.values_.isEmpty()) {
            if (values_.isEmpty()) {
              values_ = other.values_;
              bitField0_ = (bitField0_ & ~0x00000002);
            } else {
              ensureValuesIsMutable();
              values_.addAll(other.values_);
            }
            onChanged();
          }
        } else {
          if (!other.values_.isEmpty()) {
            if (valuesBuilder_.isEmpty()) {
              valuesBuilder_.dispose();
              valuesBuilder_ = null;
              values_ = other.values_;
              bitField0_ = (bitField0_ & ~0x00000002);
              valuesBuilder_ =
                  com.google.protobuf.GeneratedMessageV3.alwaysUseFieldBuilders
                      ? getValuesFieldBuilder()
                      : null;
            } else {
              valuesBuilder_.addAllMessages(other.values_);
            }
          }
        }
        if (other.getDynamicFacet() != false) {
          setDynamicFacet(other.getDynamicFacet());
        }
        this.mergeUnknownFields(other.getUnknownFields());
        onChanged();
        return this;
      }

      @java.lang.Override
      public final boolean isInitialized() {
        return true;
      }

      @java.lang.Override
      public Builder mergeFrom(
          com.google.protobuf.CodedInputStream input,
          com.google.protobuf.ExtensionRegistryLite extensionRegistry)
          throws java.io.IOException {
        if (extensionRegistry == null) {
          throw new java.lang.NullPointerException();
        }
        try {
          boolean done = false;
          while (!done) {
            int tag = input.readTag();
            switch (tag) {
              case 0:
                done = true;
                break;
              case 10:
                {
                  key_ = input.readStringRequireUtf8();
                  bitField0_ |= 0x00000001;
                  break;
                } // case 10
              case 18:
                {
                  com.google.cloud.discoveryengine.v1beta.SearchResponse.Facet.FacetValue m =
                      input.readMessage(
                          com.google.cloud.discoveryengine.v1beta.SearchResponse.Facet.FacetValue
                              .parser(),
                          extensionRegistry);
                  if (valuesBuilder_ == null) {
                    ensureValuesIsMutable();
                    values_.add(m);
                  } else {
                    valuesBuilder_.addMessage(m);
                  }
                  break;
                } // case 18
              case 24:
                {
                  dynamicFacet_ = input.readBool();
                  bitField0_ |= 0x00000004;
                  break;
                } // case 24
              default:
                {
                  if (!super.parseUnknownField(input, extensionRegistry, tag)) {
                    done = true; // was an endgroup tag
                  }
                  break;
                } // default:
            } // switch (tag)
          } // while (!done)
        } catch (com.google.protobuf.InvalidProtocolBufferException e) {
          throw e.unwrapIOException();
        } finally {
          onChanged();
        } // finally
        return this;
      }

      private int bitField0_;

      private java.lang.Object key_ = "";
      /**
       *
       *
       * <pre>
       * The key for this facet. E.g., "colors" or "price". It matches
       * [SearchRequest.FacetSpec.FacetKey.key][google.cloud.discoveryengine.v1beta.SearchRequest.FacetSpec.FacetKey.key].
       * </pre>
       *
       * <code>string key = 1;</code>
       *
       * @return The key.
       */
      public java.lang.String getKey() {
        java.lang.Object ref = key_;
        if (!(ref instanceof java.lang.String)) {
          com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
          java.lang.String s = bs.toStringUtf8();
          key_ = s;
          return s;
        } else {
          return (java.lang.String) ref;
        }
      }
      /**
       *
       *
       * <pre>
       * The key for this facet. E.g., "colors" or "price". It matches
       * [SearchRequest.FacetSpec.FacetKey.key][google.cloud.discoveryengine.v1beta.SearchRequest.FacetSpec.FacetKey.key].
       * </pre>
       *
       * <code>string key = 1;</code>
       *
       * @return The bytes for key.
       */
      public com.google.protobuf.ByteString getKeyBytes() {
        java.lang.Object ref = key_;
        if (ref instanceof String) {
          com.google.protobuf.ByteString b =
              com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
          key_ = b;
          return b;
        } else {
          return (com.google.protobuf.ByteString) ref;
        }
      }
      /**
       *
       *
       * <pre>
       * The key for this facet. E.g., "colors" or "price". It matches
       * [SearchRequest.FacetSpec.FacetKey.key][google.cloud.discoveryengine.v1beta.SearchRequest.FacetSpec.FacetKey.key].
       * </pre>
       *
       * <code>string key = 1;</code>
       *
       * @param value The key to set.
       * @return This builder for chaining.
       */
      public Builder setKey(java.lang.String value) {
        if (value == null) {
          throw new NullPointerException();
        }
        key_ = value;
        bitField0_ |= 0x00000001;
        onChanged();
        return this;
      }
      /**
       *
       *
       * <pre>
       * The key for this facet. E.g., "colors" or "price". It matches
       * [SearchRequest.FacetSpec.FacetKey.key][google.cloud.discoveryengine.v1beta.SearchRequest.FacetSpec.FacetKey.key].
       * </pre>
       *
       * <code>string key = 1;</code>
       *
       * @return This builder for chaining.
       */
      public Builder clearKey() {
        key_ = getDefaultInstance().getKey();
        bitField0_ = (bitField0_ & ~0x00000001);
        onChanged();
        return this;
      }
      /**
       *
       *
       * <pre>
       * The key for this facet. E.g., "colors" or "price". It matches
       * [SearchRequest.FacetSpec.FacetKey.key][google.cloud.discoveryengine.v1beta.SearchRequest.FacetSpec.FacetKey.key].
       * </pre>
       *
       * <code>string key = 1;</code>
       *
       * @param value The bytes for key to set.
       * @return This builder for chaining.
       */
      public Builder setKeyBytes(com.google.protobuf.ByteString value) {
        if (value == null) {
          throw new NullPointerException();
        }
        checkByteStringIsUtf8(value);
        key_ = value;
        bitField0_ |= 0x00000001;
        onChanged();
        return this;
      }

      private java.util.List<
              com.google.cloud.discoveryengine.v1beta.SearchResponse.Facet.FacetValue>
          values_ = java.util.Collections.emptyList();

      private void ensureValuesIsMutable() {
        if (!((bitField0_ & 0x00000002) != 0)) {
          values_ =
              new java.util.ArrayList<
                  com.google.cloud.discoveryengine.v1beta.SearchResponse.Facet.FacetValue>(values_);
          bitField0_ |= 0x00000002;
        }
      }

      private com.google.protobuf.RepeatedFieldBuilderV3<
              com.google.cloud.discoveryengine.v1beta.SearchResponse.Facet.FacetValue,
              com.google.cloud.discoveryengine.v1beta.SearchResponse.Facet.FacetValue.Builder,
              com.google.cloud.discoveryengine.v1beta.SearchResponse.Facet.FacetValueOrBuilder>
          valuesBuilder_;

      /**
       *
       *
       * <pre>
       * The facet values for this field.
       * </pre>
       *
       * <code>
       * repeated .google.cloud.discoveryengine.v1beta.SearchResponse.Facet.FacetValue values = 2;
       * </code>
       */
      public java.util.List<com.google.cloud.discoveryengine.v1beta.SearchResponse.Facet.FacetValue>
          getValuesList() {
        if (valuesBuilder_ == null) {
          return java.util.Collections.unmodifiableList(values_);
        } else {
          return valuesBuilder_.getMessageList();
        }
      }
      /**
       *
       *
       * <pre>
       * The facet values for this field.
       * </pre>
       *
       * <code>
       * repeated .google.cloud.discoveryengine.v1beta.SearchResponse.Facet.FacetValue values = 2;
       * </code>
       */
      public int getValuesCount() {
        if (valuesBuilder_ == null) {
          return values_.size();
        } else {
          return valuesBuilder_.getCount();
        }
      }
      /**
       *
       *
       * <pre>
       * The facet values for this field.
       * </pre>
       *
       * <code>
       * repeated .google.cloud.discoveryengine.v1beta.SearchResponse.Facet.FacetValue values = 2;
       * </code>
       */
      public com.google.cloud.discoveryengine.v1beta.SearchResponse.Facet.FacetValue getValues(
          int index) {
        if (valuesBuilder_ == null) {
          return values_.get(index);
        } else {
          return valuesBuilder_.getMessage(index);
        }
      }
      /**
       *
       *
       * <pre>
       * The facet values for this field.
       * </pre>
       *
       * <code>
       * repeated .google.cloud.discoveryengine.v1beta.SearchResponse.Facet.FacetValue values = 2;
       * </code>
       */
      public Builder setValues(
          int index,
          com.google.cloud.discoveryengine.v1beta.SearchResponse.Facet.FacetValue value) {
        if (valuesBuilder_ == null) {
          if (value == null) {
            throw new NullPointerException();
          }
          ensureValuesIsMutable();
          values_.set(index, value);
          onChanged();
        } else {
          valuesBuilder_.setMessage(index, value);
        }
        return this;
      }
      /**
       *
       *
       * <pre>
       * The facet values for this field.
       * </pre>
       *
       * <code>
       * repeated .google.cloud.discoveryengine.v1beta.SearchResponse.Facet.FacetValue values = 2;
       * </code>
       */
      public Builder setValues(
          int index,
          com.google.cloud.discoveryengine.v1beta.SearchResponse.Facet.FacetValue.Builder
              builderForValue) {
        if (valuesBuilder_ == null) {
          ensureValuesIsMutable();
          values_.set(index, builderForValue.build());
          onChanged();
        } else {
          valuesBuilder_.setMessage(index, builderForValue.build());
        }
        return this;
      }
      /**
       *
       *
       * <pre>
       * The facet values for this field.
       * </pre>
       *
       * <code>
       * repeated .google.cloud.discoveryengine.v1beta.SearchResponse.Facet.FacetValue values = 2;
       * </code>
       */
      public Builder addValues(
          com.google.cloud.discoveryengine.v1beta.SearchResponse.Facet.FacetValue value) {
        if (valuesBuilder_ == null) {
          if (value == null) {
            throw new NullPointerException();
          }
          ensureValuesIsMutable();
          values_.add(value);
          onChanged();
        } else {
          valuesBuilder_.addMessage(value);
        }
        return this;
      }
      /**
       *
       *
       * <pre>
       * The facet values for this field.
       * </pre>
       *
       * <code>
       * repeated .google.cloud.discoveryengine.v1beta.SearchResponse.Facet.FacetValue values = 2;
       * </code>
       */
      public Builder addValues(
          int index,
          com.google.cloud.discoveryengine.v1beta.SearchResponse.Facet.FacetValue value) {
        if (valuesBuilder_ == null) {
          if (value == null) {
            throw new NullPointerException();
          }
          ensureValuesIsMutable();
          values_.add(index, value);
          onChanged();
        } else {
          valuesBuilder_.addMessage(index, value);
        }
        return this;
      }
      /**
       *
       *
       * <pre>
       * The facet values for this field.
       * </pre>
       *
       * <code>
       * repeated .google.cloud.discoveryengine.v1beta.SearchResponse.Facet.FacetValue values = 2;
       * </code>
       */
      public Builder addValues(
          com.google.cloud.discoveryengine.v1beta.SearchResponse.Facet.FacetValue.Builder
              builderForValue) {
        if (valuesBuilder_ == null) {
          ensureValuesIsMutable();
          values_.add(builderForValue.build());
          onChanged();
        } else {
          valuesBuilder_.addMessage(builderForValue.build());
        }
        return this;
      }
      /**
       *
       *
       * <pre>
       * The facet values for this field.
       * </pre>
       *
       * <code>
       * repeated .google.cloud.discoveryengine.v1beta.SearchResponse.Facet.FacetValue values = 2;
       * </code>
       */
      public Builder addValues(
          int index,
          com.google.cloud.discoveryengine.v1beta.SearchResponse.Facet.FacetValue.Builder
              builderForValue) {
        if (valuesBuilder_ == null) {
          ensureValuesIsMutable();
          values_.add(index, builderForValue.build());
          onChanged();
        } else {
          valuesBuilder_.addMessage(index, builderForValue.build());
        }
        return this;
      }
      /**
       *
       *
       * <pre>
       * The facet values for this field.
       * </pre>
       *
       * <code>
       * repeated .google.cloud.discoveryengine.v1beta.SearchResponse.Facet.FacetValue values = 2;
       * </code>
       */
      public Builder addAllValues(
          java.lang.Iterable<
                  ? extends com.google.cloud.discoveryengine.v1beta.SearchResponse.Facet.FacetValue>
              values) {
        if (valuesBuilder_ == null) {
          ensureValuesIsMutable();
          com.google.protobuf.AbstractMessageLite.Builder.addAll(values, values_);
          onChanged();
        } else {
          valuesBuilder_.addAllMessages(values);
        }
        return this;
      }
      /**
       *
       *
       * <pre>
       * The facet values for this field.
       * </pre>
       *
       * <code>
       * repeated .google.cloud.discoveryengine.v1beta.SearchResponse.Facet.FacetValue values = 2;
       * </code>
       */
      public Builder clearValues() {
        if (valuesBuilder_ == null) {
          values_ = java.util.Collections.emptyList();
          bitField0_ = (bitField0_ & ~0x00000002);
          onChanged();
        } else {
          valuesBuilder_.clear();
        }
        return this;
      }
      /**
       *
       *
       * <pre>
       * The facet values for this field.
       * </pre>
       *
       * <code>
       * repeated .google.cloud.discoveryengine.v1beta.SearchResponse.Facet.FacetValue values = 2;
       * </code>
       */
      public Builder removeValues(int index) {
        if (valuesBuilder_ == null) {
          ensureValuesIsMutable();
          values_.remove(index);
          onChanged();
        } else {
          valuesBuilder_.remove(index);
        }
        return this;
      }
      /**
       *
       *
       * <pre>
       * The facet values for this field.
       * </pre>
       *
       * <code>
       * repeated .google.cloud.discoveryengine.v1beta.SearchResponse.Facet.FacetValue values = 2;
       * </code>
       */
      public com.google.cloud.discoveryengine.v1beta.SearchResponse.Facet.FacetValue.Builder
          getValuesBuilder(int index) {
        return getValuesFieldBuilder().getBuilder(index);
      }
      /**
       *
       *
       * <pre>
       * The facet values for this field.
       * </pre>
       *
       * <code>
       * repeated .google.cloud.discoveryengine.v1beta.SearchResponse.Facet.FacetValue values = 2;
       * </code>
       */
      public com.google.cloud.discoveryengine.v1beta.SearchResponse.Facet.FacetValueOrBuilder
          getValuesOrBuilder(int index) {
        if (valuesBuilder_ == null) {
          return values_.get(index);
        } else {
          return valuesBuilder_.getMessageOrBuilder(index);
        }
      }
      /**
       *
       *
       * <pre>
       * The facet values for this field.
       * </pre>
       *
       * <code>
       * repeated .google.cloud.discoveryengine.v1beta.SearchResponse.Facet.FacetValue values = 2;
       * </code>
       */
      public java.util.List<
              ? extends
                  com.google.cloud.discoveryengine.v1beta.SearchResponse.Facet.FacetValueOrBuilder>
          getValuesOrBuilderList() {
        if (valuesBuilder_ != null) {
          return valuesBuilder_.getMessageOrBuilderList();
        } else {
          return java.util.Collections.unmodifiableList(values_);
        }
      }
      /**
       *
       *
       * <pre>
       * The facet values for this field.
       * </pre>
       *
       * <code>
       * repeated .google.cloud.discoveryengine.v1beta.SearchResponse.Facet.FacetValue values = 2;
       * </code>
       */
      public com.google.cloud.discoveryengine.v1beta.SearchResponse.Facet.FacetValue.Builder
          addValuesBuilder() {
        return getValuesFieldBuilder()
            .addBuilder(
                com.google.cloud.discoveryengine.v1beta.SearchResponse.Facet.FacetValue
                    .getDefaultInstance());
      }
      /**
       *
       *
       * <pre>
       * The facet values for this field.
       * </pre>
       *
       * <code>
       * repeated .google.cloud.discoveryengine.v1beta.SearchResponse.Facet.FacetValue values = 2;
       * </code>
       */
      public com.google.cloud.discoveryengine.v1beta.SearchResponse.Facet.FacetValue.Builder
          addValuesBuilder(int index) {
        return getValuesFieldBuilder()
            .addBuilder(
                index,
                com.google.cloud.discoveryengine.v1beta.SearchResponse.Facet.FacetValue
                    .getDefaultInstance());
      }
      /**
       *
       *
       * <pre>
       * The facet values for this field.
       * </pre>
       *
       * <code>
       * repeated .google.cloud.discoveryengine.v1beta.SearchResponse.Facet.FacetValue values = 2;
       * </code>
       */
      public java.util.List<
              com.google.cloud.discoveryengine.v1beta.SearchResponse.Facet.FacetValue.Builder>
          getValuesBuilderList() {
        return getValuesFieldBuilder().getBuilderList();
      }

      private com.google.protobuf.RepeatedFieldBuilderV3<
              com.google.cloud.discoveryengine.v1beta.SearchResponse.Facet.FacetValue,
              com.google.cloud.discoveryengine.v1beta.SearchResponse.Facet.FacetValue.Builder,
              com.google.cloud.discoveryengine.v1beta.SearchResponse.Facet.FacetValueOrBuilder>
          getValuesFieldBuilder() {
        if (valuesBuilder_ == null) {
          valuesBuilder_ =
              new com.google.protobuf.RepeatedFieldBuilderV3<
                  com.google.cloud.discoveryengine.v1beta.SearchResponse.Facet.FacetValue,
                  com.google.cloud.discoveryengine.v1beta.SearchResponse.Facet.FacetValue.Builder,
                  com.google.cloud.discoveryengine.v1beta.SearchResponse.Facet.FacetValueOrBuilder>(
                  values_, ((bitField0_ & 0x00000002) != 0), getParentForChildren(), isClean());
          values_ = null;
        }
        return valuesBuilder_;
      }

      private boolean dynamicFacet_;
      /**
       *
       *
       * <pre>
       * Whether the facet is dynamically generated.
       * </pre>
       *
       * <code>bool dynamic_facet = 3;</code>
       *
       * @return The dynamicFacet.
       */
      @java.lang.Override
      public boolean getDynamicFacet() {
        return dynamicFacet_;
      }
      /**
       *
       *
       * <pre>
       * Whether the facet is dynamically generated.
       * </pre>
       *
       * <code>bool dynamic_facet = 3;</code>
       *
       * @param value The dynamicFacet to set.
       * @return This builder for chaining.
       */
      public Builder setDynamicFacet(boolean value) {

        dynamicFacet_ = value;
        bitField0_ |= 0x00000004;
        onChanged();
        return this;
      }
      /**
       *
       *
       * <pre>
       * Whether the facet is dynamically generated.
       * </pre>
       *
       * <code>bool dynamic_facet = 3;</code>
       *
       * @return This builder for chaining.
       */
      public Builder clearDynamicFacet() {
        bitField0_ = (bitField0_ & ~0x00000004);
        dynamicFacet_ = false;
        onChanged();
        return this;
      }

      @java.lang.Override
      public final Builder setUnknownFields(
          final com.google.protobuf.UnknownFieldSet unknownFields) {
        return super.setUnknownFields(unknownFields);
      }

      @java.lang.Override
      public final Builder mergeUnknownFields(
          final com.google.protobuf.UnknownFieldSet unknownFields) {
        return super.mergeUnknownFields(unknownFields);
      }

      // @@protoc_insertion_point(builder_scope:google.cloud.discoveryengine.v1beta.SearchResponse.Facet)
    }

    // @@protoc_insertion_point(class_scope:google.cloud.discoveryengine.v1beta.SearchResponse.Facet)
    private static final com.google.cloud.discoveryengine.v1beta.SearchResponse.Facet
        DEFAULT_INSTANCE;

    static {
      DEFAULT_INSTANCE = new com.google.cloud.discoveryengine.v1beta.SearchResponse.Facet();
    }

    public static com.google.cloud.discoveryengine.v1beta.SearchResponse.Facet
        getDefaultInstance() {
      return DEFAULT_INSTANCE;
    }

    private static final com.google.protobuf.Parser<Facet> PARSER =
        new com.google.protobuf.AbstractParser<Facet>() {
          @java.lang.Override
          public Facet parsePartialFrom(
              com.google.protobuf.CodedInputStream input,
              com.google.protobuf.ExtensionRegistryLite extensionRegistry)
              throws com.google.protobuf.InvalidProtocolBufferException {
            Builder builder = newBuilder();
            try {
              builder.mergeFrom(input, extensionRegistry);
            } catch (com.google.protobuf.InvalidProtocolBufferException e) {
              throw e.setUnfinishedMessage(builder.buildPartial());
            } catch (com.google.protobuf.UninitializedMessageException e) {
              throw e.asInvalidProtocolBufferException()
                  .setUnfinishedMessage(builder.buildPartial());
            } catch (java.io.IOException e) {
              throw new com.google.protobuf.InvalidProtocolBufferException(e)
                  .setUnfinishedMessage(builder.buildPartial());
            }
            return builder.buildPartial();
          }
        };

    public static com.google.protobuf.Parser<Facet> parser() {
      return PARSER;
    }

    @java.lang.Override
    public com.google.protobuf.Parser<Facet> getParserForType() {
      return PARSER;
    }

    @java.lang.Override
    public com.google.cloud.discoveryengine.v1beta.SearchResponse.Facet
        getDefaultInstanceForType() {
      return DEFAULT_INSTANCE;
    }
  }

  public interface GuidedSearchResultOrBuilder
      extends
      // @@protoc_insertion_point(interface_extends:google.cloud.discoveryengine.v1beta.SearchResponse.GuidedSearchResult)
      com.google.protobuf.MessageOrBuilder {

    /**
     *
     *
     * <pre>
     * A list of ranked refinement attributes.
     * </pre>
     *
     * <code>
     * repeated .google.cloud.discoveryengine.v1beta.SearchResponse.GuidedSearchResult.RefinementAttribute refinement_attributes = 1;
     * </code>
     */
    java.util.List<
            com.google.cloud.discoveryengine.v1beta.SearchResponse.GuidedSearchResult
                .RefinementAttribute>
        getRefinementAttributesList();
    /**
     *
     *
     * <pre>
     * A list of ranked refinement attributes.
     * </pre>
     *
     * <code>
     * repeated .google.cloud.discoveryengine.v1beta.SearchResponse.GuidedSearchResult.RefinementAttribute refinement_attributes = 1;
     * </code>
     */
    com.google.cloud.discoveryengine.v1beta.SearchResponse.GuidedSearchResult.RefinementAttribute
        getRefinementAttributes(int index);
    /**
     *
     *
     * <pre>
     * A list of ranked refinement attributes.
     * </pre>
     *
     * <code>
     * repeated .google.cloud.discoveryengine.v1beta.SearchResponse.GuidedSearchResult.RefinementAttribute refinement_attributes = 1;
     * </code>
     */
    int getRefinementAttributesCount();
    /**
     *
     *
     * <pre>
     * A list of ranked refinement attributes.
     * </pre>
     *
     * <code>
     * repeated .google.cloud.discoveryengine.v1beta.SearchResponse.GuidedSearchResult.RefinementAttribute refinement_attributes = 1;
     * </code>
     */
    java.util.List<
            ? extends
                com.google.cloud.discoveryengine.v1beta.SearchResponse.GuidedSearchResult
                    .RefinementAttributeOrBuilder>
        getRefinementAttributesOrBuilderList();
    /**
     *
     *
     * <pre>
     * A list of ranked refinement attributes.
     * </pre>
     *
     * <code>
     * repeated .google.cloud.discoveryengine.v1beta.SearchResponse.GuidedSearchResult.RefinementAttribute refinement_attributes = 1;
     * </code>
     */
    com.google.cloud.discoveryengine.v1beta.SearchResponse.GuidedSearchResult
            .RefinementAttributeOrBuilder
        getRefinementAttributesOrBuilder(int index);
  }
  /**
   *
   *
   * <pre>
   * Guided search result. The guided search helps user to refine the search
   * results and narrow down to the real needs from a broaded search results.
   * </pre>
   *
   * Protobuf type {@code google.cloud.discoveryengine.v1beta.SearchResponse.GuidedSearchResult}
   */
  public static final class GuidedSearchResult extends com.google.protobuf.GeneratedMessageV3
      implements
      // @@protoc_insertion_point(message_implements:google.cloud.discoveryengine.v1beta.SearchResponse.GuidedSearchResult)
      GuidedSearchResultOrBuilder {
    private static final long serialVersionUID = 0L;
    // Use GuidedSearchResult.newBuilder() to construct.
    private GuidedSearchResult(com.google.protobuf.GeneratedMessageV3.Builder<?> builder) {
      super(builder);
    }

    private GuidedSearchResult() {
      refinementAttributes_ = java.util.Collections.emptyList();
    }

    @java.lang.Override
    @SuppressWarnings({"unused"})
    protected java.lang.Object newInstance(UnusedPrivateParameter unused) {
      return new GuidedSearchResult();
    }

    @java.lang.Override
    public final com.google.protobuf.UnknownFieldSet getUnknownFields() {
      return this.unknownFields;
    }

    public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
      return com.google.cloud.discoveryengine.v1beta.SearchServiceProto
          .internal_static_google_cloud_discoveryengine_v1beta_SearchResponse_GuidedSearchResult_descriptor;
    }

    @java.lang.Override
    protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
        internalGetFieldAccessorTable() {
      return com.google.cloud.discoveryengine.v1beta.SearchServiceProto
          .internal_static_google_cloud_discoveryengine_v1beta_SearchResponse_GuidedSearchResult_fieldAccessorTable
          .ensureFieldAccessorsInitialized(
              com.google.cloud.discoveryengine.v1beta.SearchResponse.GuidedSearchResult.class,
              com.google.cloud.discoveryengine.v1beta.SearchResponse.GuidedSearchResult.Builder
                  .class);
    }

    public interface RefinementAttributeOrBuilder
        extends
        // @@protoc_insertion_point(interface_extends:google.cloud.discoveryengine.v1beta.SearchResponse.GuidedSearchResult.RefinementAttribute)
        com.google.protobuf.MessageOrBuilder {

      /**
       *
       *
       * <pre>
       * Attribute key used to refine the results e.g. 'movie_type'.
       * </pre>
       *
       * <code>string attribute_key = 1;</code>
       *
       * @return The attributeKey.
       */
      java.lang.String getAttributeKey();
      /**
       *
       *
       * <pre>
       * Attribute key used to refine the results e.g. 'movie_type'.
       * </pre>
       *
       * <code>string attribute_key = 1;</code>
       *
       * @return The bytes for attributeKey.
       */
      com.google.protobuf.ByteString getAttributeKeyBytes();

      /**
       *
       *
       * <pre>
       * Attribute value used to refine the results e.g. 'drama'.
       * </pre>
       *
       * <code>string attribute_value = 2;</code>
       *
       * @return The attributeValue.
       */
      java.lang.String getAttributeValue();
      /**
       *
       *
       * <pre>
       * Attribute value used to refine the results e.g. 'drama'.
       * </pre>
       *
       * <code>string attribute_value = 2;</code>
       *
       * @return The bytes for attributeValue.
       */
      com.google.protobuf.ByteString getAttributeValueBytes();
    }
    /**
     *
     *
     * <pre>
     * Useful attribute for search result refinements.
     * </pre>
     *
     * Protobuf type {@code
     * google.cloud.discoveryengine.v1beta.SearchResponse.GuidedSearchResult.RefinementAttribute}
     */
    public static final class RefinementAttribute extends com.google.protobuf.GeneratedMessageV3
        implements
        // @@protoc_insertion_point(message_implements:google.cloud.discoveryengine.v1beta.SearchResponse.GuidedSearchResult.RefinementAttribute)
        RefinementAttributeOrBuilder {
      private static final long serialVersionUID = 0L;
      // Use RefinementAttribute.newBuilder() to construct.
      private RefinementAttribute(com.google.protobuf.GeneratedMessageV3.Builder<?> builder) {
        super(builder);
      }

      private RefinementAttribute() {
        attributeKey_ = "";
        attributeValue_ = "";
      }

      @java.lang.Override
      @SuppressWarnings({"unused"})
      protected java.lang.Object newInstance(UnusedPrivateParameter unused) {
        return new RefinementAttribute();
      }

      @java.lang.Override
      public final com.google.protobuf.UnknownFieldSet getUnknownFields() {
        return this.unknownFields;
      }

      public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
        return com.google.cloud.discoveryengine.v1beta.SearchServiceProto
            .internal_static_google_cloud_discoveryengine_v1beta_SearchResponse_GuidedSearchResult_RefinementAttribute_descriptor;
      }

      @java.lang.Override
      protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
          internalGetFieldAccessorTable() {
        return com.google.cloud.discoveryengine.v1beta.SearchServiceProto
            .internal_static_google_cloud_discoveryengine_v1beta_SearchResponse_GuidedSearchResult_RefinementAttribute_fieldAccessorTable
            .ensureFieldAccessorsInitialized(
                com.google.cloud.discoveryengine.v1beta.SearchResponse.GuidedSearchResult
                    .RefinementAttribute.class,
                com.google.cloud.discoveryengine.v1beta.SearchResponse.GuidedSearchResult
                    .RefinementAttribute.Builder.class);
      }

      public static final int ATTRIBUTE_KEY_FIELD_NUMBER = 1;

      @SuppressWarnings("serial")
      private volatile java.lang.Object attributeKey_ = "";
      /**
       *
       *
       * <pre>
       * Attribute key used to refine the results e.g. 'movie_type'.
       * </pre>
       *
       * <code>string attribute_key = 1;</code>
       *
       * @return The attributeKey.
       */
      @java.lang.Override
      public java.lang.String getAttributeKey() {
        java.lang.Object ref = attributeKey_;
        if (ref instanceof java.lang.String) {
          return (java.lang.String) ref;
        } else {
          com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
          java.lang.String s = bs.toStringUtf8();
          attributeKey_ = s;
          return s;
        }
      }
      /**
       *
       *
       * <pre>
       * Attribute key used to refine the results e.g. 'movie_type'.
       * </pre>
       *
       * <code>string attribute_key = 1;</code>
       *
       * @return The bytes for attributeKey.
       */
      @java.lang.Override
      public com.google.protobuf.ByteString getAttributeKeyBytes() {
        java.lang.Object ref = attributeKey_;
        if (ref instanceof java.lang.String) {
          com.google.protobuf.ByteString b =
              com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
          attributeKey_ = b;
          return b;
        } else {
          return (com.google.protobuf.ByteString) ref;
        }
      }

      public static final int ATTRIBUTE_VALUE_FIELD_NUMBER = 2;

      @SuppressWarnings("serial")
      private volatile java.lang.Object attributeValue_ = "";
      /**
       *
       *
       * <pre>
       * Attribute value used to refine the results e.g. 'drama'.
       * </pre>
       *
       * <code>string attribute_value = 2;</code>
       *
       * @return The attributeValue.
       */
      @java.lang.Override
      public java.lang.String getAttributeValue() {
        java.lang.Object ref = attributeValue_;
        if (ref instanceof java.lang.String) {
          return (java.lang.String) ref;
        } else {
          com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
          java.lang.String s = bs.toStringUtf8();
          attributeValue_ = s;
          return s;
        }
      }
      /**
       *
       *
       * <pre>
       * Attribute value used to refine the results e.g. 'drama'.
       * </pre>
       *
       * <code>string attribute_value = 2;</code>
       *
       * @return The bytes for attributeValue.
       */
      @java.lang.Override
      public com.google.protobuf.ByteString getAttributeValueBytes() {
        java.lang.Object ref = attributeValue_;
        if (ref instanceof java.lang.String) {
          com.google.protobuf.ByteString b =
              com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
          attributeValue_ = b;
          return b;
        } else {
          return (com.google.protobuf.ByteString) ref;
        }
      }

      private byte memoizedIsInitialized = -1;

      @java.lang.Override
      public final boolean isInitialized() {
        byte isInitialized = memoizedIsInitialized;
        if (isInitialized == 1) return true;
        if (isInitialized == 0) return false;

        memoizedIsInitialized = 1;
        return true;
      }

      @java.lang.Override
      public void writeTo(com.google.protobuf.CodedOutputStream output) throws java.io.IOException {
        if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(attributeKey_)) {
          com.google.protobuf.GeneratedMessageV3.writeString(output, 1, attributeKey_);
        }
        if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(attributeValue_)) {
          com.google.protobuf.GeneratedMessageV3.writeString(output, 2, attributeValue_);
        }
        getUnknownFields().writeTo(output);
      }

      @java.lang.Override
      public int getSerializedSize() {
        int size = memoizedSize;
        if (size != -1) return size;

        size = 0;
        if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(attributeKey_)) {
          size += com.google.protobuf.GeneratedMessageV3.computeStringSize(1, attributeKey_);
        }
        if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(attributeValue_)) {
          size += com.google.protobuf.GeneratedMessageV3.computeStringSize(2, attributeValue_);
        }
        size += getUnknownFields().getSerializedSize();
        memoizedSize = size;
        return size;
      }

      @java.lang.Override
      public boolean equals(final java.lang.Object obj) {
        if (obj == this) {
          return true;
        }
        if (!(obj
            instanceof
            com.google.cloud.discoveryengine.v1beta.SearchResponse.GuidedSearchResult
                .RefinementAttribute)) {
          return super.equals(obj);
        }
        com.google.cloud.discoveryengine.v1beta.SearchResponse.GuidedSearchResult
                .RefinementAttribute
            other =
                (com.google.cloud.discoveryengine.v1beta.SearchResponse.GuidedSearchResult
                        .RefinementAttribute)
                    obj;

        if (!getAttributeKey().equals(other.getAttributeKey())) return false;
        if (!getAttributeValue().equals(other.getAttributeValue())) return false;
        if (!getUnknownFields().equals(other.getUnknownFields())) return false;
        return true;
      }

      @java.lang.Override
      public int hashCode() {
        if (memoizedHashCode != 0) {
          return memoizedHashCode;
        }
        int hash = 41;
        hash = (19 * hash) + getDescriptor().hashCode();
        hash = (37 * hash) + ATTRIBUTE_KEY_FIELD_NUMBER;
        hash = (53 * hash) + getAttributeKey().hashCode();
        hash = (37 * hash) + ATTRIBUTE_VALUE_FIELD_NUMBER;
        hash = (53 * hash) + getAttributeValue().hashCode();
        hash = (29 * hash) + getUnknownFields().hashCode();
        memoizedHashCode = hash;
        return hash;
      }

      public static com.google.cloud.discoveryengine.v1beta.SearchResponse.GuidedSearchResult
              .RefinementAttribute
          parseFrom(java.nio.ByteBuffer data)
              throws com.google.protobuf.InvalidProtocolBufferException {
        return PARSER.parseFrom(data);
      }

      public static com.google.cloud.discoveryengine.v1beta.SearchResponse.GuidedSearchResult
              .RefinementAttribute
          parseFrom(
              java.nio.ByteBuffer data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
              throws com.google.protobuf.InvalidProtocolBufferException {
        return PARSER.parseFrom(data, extensionRegistry);
      }

      public static com.google.cloud.discoveryengine.v1beta.SearchResponse.GuidedSearchResult
              .RefinementAttribute
          parseFrom(com.google.protobuf.ByteString data)
              throws com.google.protobuf.InvalidProtocolBufferException {
        return PARSER.parseFrom(data);
      }

      public static com.google.cloud.discoveryengine.v1beta.SearchResponse.GuidedSearchResult
              .RefinementAttribute
          parseFrom(
              com.google.protobuf.ByteString data,
              com.google.protobuf.ExtensionRegistryLite extensionRegistry)
              throws com.google.protobuf.InvalidProtocolBufferException {
        return PARSER.parseFrom(data, extensionRegistry);
      }

      public static com.google.cloud.discoveryengine.v1beta.SearchResponse.GuidedSearchResult
              .RefinementAttribute
          parseFrom(byte[] data) throws com.google.protobuf.InvalidProtocolBufferException {
        return PARSER.parseFrom(data);
      }

      public static com.google.cloud.discoveryengine.v1beta.SearchResponse.GuidedSearchResult
              .RefinementAttribute
          parseFrom(byte[] data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
              throws com.google.protobuf.InvalidProtocolBufferException {
        return PARSER.parseFrom(data, extensionRegistry);
      }

      public static com.google.cloud.discoveryengine.v1beta.SearchResponse.GuidedSearchResult
              .RefinementAttribute
          parseFrom(java.io.InputStream input) throws java.io.IOException {
        return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
      }

      public static com.google.cloud.discoveryengine.v1beta.SearchResponse.GuidedSearchResult
              .RefinementAttribute
          parseFrom(
              java.io.InputStream input,
              com.google.protobuf.ExtensionRegistryLite extensionRegistry)
              throws java.io.IOException {
        return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
            PARSER, input, extensionRegistry);
      }

      public static com.google.cloud.discoveryengine.v1beta.SearchResponse.GuidedSearchResult
              .RefinementAttribute
          parseDelimitedFrom(java.io.InputStream input) throws java.io.IOException {
        return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(PARSER, input);
      }

      public static com.google.cloud.discoveryengine.v1beta.SearchResponse.GuidedSearchResult
              .RefinementAttribute
          parseDelimitedFrom(
              java.io.InputStream input,
              com.google.protobuf.ExtensionRegistryLite extensionRegistry)
              throws java.io.IOException {
        return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(
            PARSER, input, extensionRegistry);
      }

      public static com.google.cloud.discoveryengine.v1beta.SearchResponse.GuidedSearchResult
              .RefinementAttribute
          parseFrom(com.google.protobuf.CodedInputStream input) throws java.io.IOException {
        return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
      }

      public static com.google.cloud.discoveryengine.v1beta.SearchResponse.GuidedSearchResult
              .RefinementAttribute
          parseFrom(
              com.google.protobuf.CodedInputStream input,
              com.google.protobuf.ExtensionRegistryLite extensionRegistry)
              throws java.io.IOException {
        return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
            PARSER, input, extensionRegistry);
      }

      @java.lang.Override
      public Builder newBuilderForType() {
        return newBuilder();
      }

      public static Builder newBuilder() {
        return DEFAULT_INSTANCE.toBuilder();
      }

      public static Builder newBuilder(
          com.google.cloud.discoveryengine.v1beta.SearchResponse.GuidedSearchResult
                  .RefinementAttribute
              prototype) {
        return DEFAULT_INSTANCE.toBuilder().mergeFrom(prototype);
      }

      @java.lang.Override
      public Builder toBuilder() {
        return this == DEFAULT_INSTANCE ? new Builder() : new Builder().mergeFrom(this);
      }

      @java.lang.Override
      protected Builder newBuilderForType(
          com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
        Builder builder = new Builder(parent);
        return builder;
      }
      /**
       *
       *
       * <pre>
       * Useful attribute for search result refinements.
       * </pre>
       *
       * Protobuf type {@code
       * google.cloud.discoveryengine.v1beta.SearchResponse.GuidedSearchResult.RefinementAttribute}
       */
      public static final class Builder
          extends com.google.protobuf.GeneratedMessageV3.Builder<Builder>
          implements
          // @@protoc_insertion_point(builder_implements:google.cloud.discoveryengine.v1beta.SearchResponse.GuidedSearchResult.RefinementAttribute)
          com.google.cloud.discoveryengine.v1beta.SearchResponse.GuidedSearchResult
              .RefinementAttributeOrBuilder {
        public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
          return com.google.cloud.discoveryengine.v1beta.SearchServiceProto
              .internal_static_google_cloud_discoveryengine_v1beta_SearchResponse_GuidedSearchResult_RefinementAttribute_descriptor;
        }

        @java.lang.Override
        protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
            internalGetFieldAccessorTable() {
          return com.google.cloud.discoveryengine.v1beta.SearchServiceProto
              .internal_static_google_cloud_discoveryengine_v1beta_SearchResponse_GuidedSearchResult_RefinementAttribute_fieldAccessorTable
              .ensureFieldAccessorsInitialized(
                  com.google.cloud.discoveryengine.v1beta.SearchResponse.GuidedSearchResult
                      .RefinementAttribute.class,
                  com.google.cloud.discoveryengine.v1beta.SearchResponse.GuidedSearchResult
                      .RefinementAttribute.Builder.class);
        }

        // Construct using
        // com.google.cloud.discoveryengine.v1beta.SearchResponse.GuidedSearchResult.RefinementAttribute.newBuilder()
        private Builder() {}

        private Builder(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
          super(parent);
        }

        @java.lang.Override
        public Builder clear() {
          super.clear();
          bitField0_ = 0;
          attributeKey_ = "";
          attributeValue_ = "";
          return this;
        }

        @java.lang.Override
        public com.google.protobuf.Descriptors.Descriptor getDescriptorForType() {
          return com.google.cloud.discoveryengine.v1beta.SearchServiceProto
              .internal_static_google_cloud_discoveryengine_v1beta_SearchResponse_GuidedSearchResult_RefinementAttribute_descriptor;
        }

        @java.lang.Override
        public com.google.cloud.discoveryengine.v1beta.SearchResponse.GuidedSearchResult
                .RefinementAttribute
            getDefaultInstanceForType() {
          return com.google.cloud.discoveryengine.v1beta.SearchResponse.GuidedSearchResult
              .RefinementAttribute.getDefaultInstance();
        }

        @java.lang.Override
        public com.google.cloud.discoveryengine.v1beta.SearchResponse.GuidedSearchResult
                .RefinementAttribute
            build() {
          com.google.cloud.discoveryengine.v1beta.SearchResponse.GuidedSearchResult
                  .RefinementAttribute
              result = buildPartial();
          if (!result.isInitialized()) {
            throw newUninitializedMessageException(result);
          }
          return result;
        }

        @java.lang.Override
        public com.google.cloud.discoveryengine.v1beta.SearchResponse.GuidedSearchResult
                .RefinementAttribute
            buildPartial() {
          com.google.cloud.discoveryengine.v1beta.SearchResponse.GuidedSearchResult
                  .RefinementAttribute
              result =
                  new com.google.cloud.discoveryengine.v1beta.SearchResponse.GuidedSearchResult
                      .RefinementAttribute(this);
          if (bitField0_ != 0) {
            buildPartial0(result);
          }
          onBuilt();
          return result;
        }

        private void buildPartial0(
            com.google.cloud.discoveryengine.v1beta.SearchResponse.GuidedSearchResult
                    .RefinementAttribute
                result) {
          int from_bitField0_ = bitField0_;
          if (((from_bitField0_ & 0x00000001) != 0)) {
            result.attributeKey_ = attributeKey_;
          }
          if (((from_bitField0_ & 0x00000002) != 0)) {
            result.attributeValue_ = attributeValue_;
          }
        }

        @java.lang.Override
        public Builder clone() {
          return super.clone();
        }

        @java.lang.Override
        public Builder setField(
            com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
          return super.setField(field, value);
        }

        @java.lang.Override
        public Builder clearField(com.google.protobuf.Descriptors.FieldDescriptor field) {
          return super.clearField(field);
        }

        @java.lang.Override
        public Builder clearOneof(com.google.protobuf.Descriptors.OneofDescriptor oneof) {
          return super.clearOneof(oneof);
        }

        @java.lang.Override
        public Builder setRepeatedField(
            com.google.protobuf.Descriptors.FieldDescriptor field,
            int index,
            java.lang.Object value) {
          return super.setRepeatedField(field, index, value);
        }

        @java.lang.Override
        public Builder addRepeatedField(
            com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
          return super.addRepeatedField(field, value);
        }

        @java.lang.Override
        public Builder mergeFrom(com.google.protobuf.Message other) {
          if (other
              instanceof
              com.google.cloud.discoveryengine.v1beta.SearchResponse.GuidedSearchResult
                  .RefinementAttribute) {
            return mergeFrom(
                (com.google.cloud.discoveryengine.v1beta.SearchResponse.GuidedSearchResult
                        .RefinementAttribute)
                    other);
          } else {
            super.mergeFrom(other);
            return this;
          }
        }

        public Builder mergeFrom(
            com.google.cloud.discoveryengine.v1beta.SearchResponse.GuidedSearchResult
                    .RefinementAttribute
                other) {
          if (other
              == com.google.cloud.discoveryengine.v1beta.SearchResponse.GuidedSearchResult
                  .RefinementAttribute.getDefaultInstance()) return this;
          if (!other.getAttributeKey().isEmpty()) {
            attributeKey_ = other.attributeKey_;
            bitField0_ |= 0x00000001;
            onChanged();
          }
          if (!other.getAttributeValue().isEmpty()) {
            attributeValue_ = other.attributeValue_;
            bitField0_ |= 0x00000002;
            onChanged();
          }
          this.mergeUnknownFields(other.getUnknownFields());
          onChanged();
          return this;
        }

        @java.lang.Override
        public final boolean isInitialized() {
          return true;
        }

        @java.lang.Override
        public Builder mergeFrom(
            com.google.protobuf.CodedInputStream input,
            com.google.protobuf.ExtensionRegistryLite extensionRegistry)
            throws java.io.IOException {
          if (extensionRegistry == null) {
            throw new java.lang.NullPointerException();
          }
          try {
            boolean done = false;
            while (!done) {
              int tag = input.readTag();
              switch (tag) {
                case 0:
                  done = true;
                  break;
                case 10:
                  {
                    attributeKey_ = input.readStringRequireUtf8();
                    bitField0_ |= 0x00000001;
                    break;
                  } // case 10
                case 18:
                  {
                    attributeValue_ = input.readStringRequireUtf8();
                    bitField0_ |= 0x00000002;
                    break;
                  } // case 18
                default:
                  {
                    if (!super.parseUnknownField(input, extensionRegistry, tag)) {
                      done = true; // was an endgroup tag
                    }
                    break;
                  } // default:
              } // switch (tag)
            } // while (!done)
          } catch (com.google.protobuf.InvalidProtocolBufferException e) {
            throw e.unwrapIOException();
          } finally {
            onChanged();
          } // finally
          return this;
        }

        private int bitField0_;

        private java.lang.Object attributeKey_ = "";
        /**
         *
         *
         * <pre>
         * Attribute key used to refine the results e.g. 'movie_type'.
         * </pre>
         *
         * <code>string attribute_key = 1;</code>
         *
         * @return The attributeKey.
         */
        public java.lang.String getAttributeKey() {
          java.lang.Object ref = attributeKey_;
          if (!(ref instanceof java.lang.String)) {
            com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
            java.lang.String s = bs.toStringUtf8();
            attributeKey_ = s;
            return s;
          } else {
            return (java.lang.String) ref;
          }
        }
        /**
         *
         *
         * <pre>
         * Attribute key used to refine the results e.g. 'movie_type'.
         * </pre>
         *
         * <code>string attribute_key = 1;</code>
         *
         * @return The bytes for attributeKey.
         */
        public com.google.protobuf.ByteString getAttributeKeyBytes() {
          java.lang.Object ref = attributeKey_;
          if (ref instanceof String) {
            com.google.protobuf.ByteString b =
                com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
            attributeKey_ = b;
            return b;
          } else {
            return (com.google.protobuf.ByteString) ref;
          }
        }
        /**
         *
         *
         * <pre>
         * Attribute key used to refine the results e.g. 'movie_type'.
         * </pre>
         *
         * <code>string attribute_key = 1;</code>
         *
         * @param value The attributeKey to set.
         * @return This builder for chaining.
         */
        public Builder setAttributeKey(java.lang.String value) {
          if (value == null) {
            throw new NullPointerException();
          }
          attributeKey_ = value;
          bitField0_ |= 0x00000001;
          onChanged();
          return this;
        }
        /**
         *
         *
         * <pre>
         * Attribute key used to refine the results e.g. 'movie_type'.
         * </pre>
         *
         * <code>string attribute_key = 1;</code>
         *
         * @return This builder for chaining.
         */
        public Builder clearAttributeKey() {
          attributeKey_ = getDefaultInstance().getAttributeKey();
          bitField0_ = (bitField0_ & ~0x00000001);
          onChanged();
          return this;
        }
        /**
         *
         *
         * <pre>
         * Attribute key used to refine the results e.g. 'movie_type'.
         * </pre>
         *
         * <code>string attribute_key = 1;</code>
         *
         * @param value The bytes for attributeKey to set.
         * @return This builder for chaining.
         */
        public Builder setAttributeKeyBytes(com.google.protobuf.ByteString value) {
          if (value == null) {
            throw new NullPointerException();
          }
          checkByteStringIsUtf8(value);
          attributeKey_ = value;
          bitField0_ |= 0x00000001;
          onChanged();
          return this;
        }

        private java.lang.Object attributeValue_ = "";
        /**
         *
         *
         * <pre>
         * Attribute value used to refine the results e.g. 'drama'.
         * </pre>
         *
         * <code>string attribute_value = 2;</code>
         *
         * @return The attributeValue.
         */
        public java.lang.String getAttributeValue() {
          java.lang.Object ref = attributeValue_;
          if (!(ref instanceof java.lang.String)) {
            com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
            java.lang.String s = bs.toStringUtf8();
            attributeValue_ = s;
            return s;
          } else {
            return (java.lang.String) ref;
          }
        }
        /**
         *
         *
         * <pre>
         * Attribute value used to refine the results e.g. 'drama'.
         * </pre>
         *
         * <code>string attribute_value = 2;</code>
         *
         * @return The bytes for attributeValue.
         */
        public com.google.protobuf.ByteString getAttributeValueBytes() {
          java.lang.Object ref = attributeValue_;
          if (ref instanceof String) {
            com.google.protobuf.ByteString b =
                com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
            attributeValue_ = b;
            return b;
          } else {
            return (com.google.protobuf.ByteString) ref;
          }
        }
        /**
         *
         *
         * <pre>
         * Attribute value used to refine the results e.g. 'drama'.
         * </pre>
         *
         * <code>string attribute_value = 2;</code>
         *
         * @param value The attributeValue to set.
         * @return This builder for chaining.
         */
        public Builder setAttributeValue(java.lang.String value) {
          if (value == null) {
            throw new NullPointerException();
          }
          attributeValue_ = value;
          bitField0_ |= 0x00000002;
          onChanged();
          return this;
        }
        /**
         *
         *
         * <pre>
         * Attribute value used to refine the results e.g. 'drama'.
         * </pre>
         *
         * <code>string attribute_value = 2;</code>
         *
         * @return This builder for chaining.
         */
        public Builder clearAttributeValue() {
          attributeValue_ = getDefaultInstance().getAttributeValue();
          bitField0_ = (bitField0_ & ~0x00000002);
          onChanged();
          return this;
        }
        /**
         *
         *
         * <pre>
         * Attribute value used to refine the results e.g. 'drama'.
         * </pre>
         *
         * <code>string attribute_value = 2;</code>
         *
         * @param value The bytes for attributeValue to set.
         * @return This builder for chaining.
         */
        public Builder setAttributeValueBytes(com.google.protobuf.ByteString value) {
          if (value == null) {
            throw new NullPointerException();
          }
          checkByteStringIsUtf8(value);
          attributeValue_ = value;
          bitField0_ |= 0x00000002;
          onChanged();
          return this;
        }

        @java.lang.Override
        public final Builder setUnknownFields(
            final com.google.protobuf.UnknownFieldSet unknownFields) {
          return super.setUnknownFields(unknownFields);
        }

        @java.lang.Override
        public final Builder mergeUnknownFields(
            final com.google.protobuf.UnknownFieldSet unknownFields) {
          return super.mergeUnknownFields(unknownFields);
        }

        // @@protoc_insertion_point(builder_scope:google.cloud.discoveryengine.v1beta.SearchResponse.GuidedSearchResult.RefinementAttribute)
      }

      // @@protoc_insertion_point(class_scope:google.cloud.discoveryengine.v1beta.SearchResponse.GuidedSearchResult.RefinementAttribute)
      private static final com.google.cloud.discoveryengine.v1beta.SearchResponse.GuidedSearchResult
              .RefinementAttribute
          DEFAULT_INSTANCE;

      static {
        DEFAULT_INSTANCE =
            new com.google.cloud.discoveryengine.v1beta.SearchResponse.GuidedSearchResult
                .RefinementAttribute();
      }

      public static com.google.cloud.discoveryengine.v1beta.SearchResponse.GuidedSearchResult
              .RefinementAttribute
          getDefaultInstance() {
        return DEFAULT_INSTANCE;
      }

      private static final com.google.protobuf.Parser<RefinementAttribute> PARSER =
          new com.google.protobuf.AbstractParser<RefinementAttribute>() {
            @java.lang.Override
            public RefinementAttribute parsePartialFrom(
                com.google.protobuf.CodedInputStream input,
                com.google.protobuf.ExtensionRegistryLite extensionRegistry)
                throws com.google.protobuf.InvalidProtocolBufferException {
              Builder builder = newBuilder();
              try {
                builder.mergeFrom(input, extensionRegistry);
              } catch (com.google.protobuf.InvalidProtocolBufferException e) {
                throw e.setUnfinishedMessage(builder.buildPartial());
              } catch (com.google.protobuf.UninitializedMessageException e) {
                throw e.asInvalidProtocolBufferException()
                    .setUnfinishedMessage(builder.buildPartial());
              } catch (java.io.IOException e) {
                throw new com.google.protobuf.InvalidProtocolBufferException(e)
                    .setUnfinishedMessage(builder.buildPartial());
              }
              return builder.buildPartial();
            }
          };

      public static com.google.protobuf.Parser<RefinementAttribute> parser() {
        return PARSER;
      }

      @java.lang.Override
      public com.google.protobuf.Parser<RefinementAttribute> getParserForType() {
        return PARSER;
      }

      @java.lang.Override
      public com.google.cloud.discoveryengine.v1beta.SearchResponse.GuidedSearchResult
              .RefinementAttribute
          getDefaultInstanceForType() {
        return DEFAULT_INSTANCE;
      }
    }

    public static final int REFINEMENT_ATTRIBUTES_FIELD_NUMBER = 1;

    @SuppressWarnings("serial")
    private java.util.List<
            com.google.cloud.discoveryengine.v1beta.SearchResponse.GuidedSearchResult
                .RefinementAttribute>
        refinementAttributes_;
    /**
     *
     *
     * <pre>
     * A list of ranked refinement attributes.
     * </pre>
     *
     * <code>
     * repeated .google.cloud.discoveryengine.v1beta.SearchResponse.GuidedSearchResult.RefinementAttribute refinement_attributes = 1;
     * </code>
     */
    @java.lang.Override
    public java.util.List<
            com.google.cloud.discoveryengine.v1beta.SearchResponse.GuidedSearchResult
                .RefinementAttribute>
        getRefinementAttributesList() {
      return refinementAttributes_;
    }
    /**
     *
     *
     * <pre>
     * A list of ranked refinement attributes.
     * </pre>
     *
     * <code>
     * repeated .google.cloud.discoveryengine.v1beta.SearchResponse.GuidedSearchResult.RefinementAttribute refinement_attributes = 1;
     * </code>
     */
    @java.lang.Override
    public java.util.List<
            ? extends
                com.google.cloud.discoveryengine.v1beta.SearchResponse.GuidedSearchResult
                    .RefinementAttributeOrBuilder>
        getRefinementAttributesOrBuilderList() {
      return refinementAttributes_;
    }
    /**
     *
     *
     * <pre>
     * A list of ranked refinement attributes.
     * </pre>
     *
     * <code>
     * repeated .google.cloud.discoveryengine.v1beta.SearchResponse.GuidedSearchResult.RefinementAttribute refinement_attributes = 1;
     * </code>
     */
    @java.lang.Override
    public int getRefinementAttributesCount() {
      return refinementAttributes_.size();
    }
    /**
     *
     *
     * <pre>
     * A list of ranked refinement attributes.
     * </pre>
     *
     * <code>
     * repeated .google.cloud.discoveryengine.v1beta.SearchResponse.GuidedSearchResult.RefinementAttribute refinement_attributes = 1;
     * </code>
     */
    @java.lang.Override
    public com.google.cloud.discoveryengine.v1beta.SearchResponse.GuidedSearchResult
            .RefinementAttribute
        getRefinementAttributes(int index) {
      return refinementAttributes_.get(index);
    }
    /**
     *
     *
     * <pre>
     * A list of ranked refinement attributes.
     * </pre>
     *
     * <code>
     * repeated .google.cloud.discoveryengine.v1beta.SearchResponse.GuidedSearchResult.RefinementAttribute refinement_attributes = 1;
     * </code>
     */
    @java.lang.Override
    public com.google.cloud.discoveryengine.v1beta.SearchResponse.GuidedSearchResult
            .RefinementAttributeOrBuilder
        getRefinementAttributesOrBuilder(int index) {
      return refinementAttributes_.get(index);
    }

    private byte memoizedIsInitialized = -1;

    @java.lang.Override
    public final boolean isInitialized() {
      byte isInitialized = memoizedIsInitialized;
      if (isInitialized == 1) return true;
      if (isInitialized == 0) return false;

      memoizedIsInitialized = 1;
      return true;
    }

    @java.lang.Override
    public void writeTo(com.google.protobuf.CodedOutputStream output) throws java.io.IOException {
      for (int i = 0; i < refinementAttributes_.size(); i++) {
        output.writeMessage(1, refinementAttributes_.get(i));
      }
      getUnknownFields().writeTo(output);
    }

    @java.lang.Override
    public int getSerializedSize() {
      int size = memoizedSize;
      if (size != -1) return size;

      size = 0;
      for (int i = 0; i < refinementAttributes_.size(); i++) {
        size +=
            com.google.protobuf.CodedOutputStream.computeMessageSize(
                1, refinementAttributes_.get(i));
      }
      size += getUnknownFields().getSerializedSize();
      memoizedSize = size;
      return size;
    }

    @java.lang.Override
    public boolean equals(final java.lang.Object obj) {
      if (obj == this) {
        return true;
      }
      if (!(obj
          instanceof com.google.cloud.discoveryengine.v1beta.SearchResponse.GuidedSearchResult)) {
        return super.equals(obj);
      }
      com.google.cloud.discoveryengine.v1beta.SearchResponse.GuidedSearchResult other =
          (com.google.cloud.discoveryengine.v1beta.SearchResponse.GuidedSearchResult) obj;

      if (!getRefinementAttributesList().equals(other.getRefinementAttributesList())) return false;
      if (!getUnknownFields().equals(other.getUnknownFields())) return false;
      return true;
    }

    @java.lang.Override
    public int hashCode() {
      if (memoizedHashCode != 0) {
        return memoizedHashCode;
      }
      int hash = 41;
      hash = (19 * hash) + getDescriptor().hashCode();
      if (getRefinementAttributesCount() > 0) {
        hash = (37 * hash) + REFINEMENT_ATTRIBUTES_FIELD_NUMBER;
        hash = (53 * hash) + getRefinementAttributesList().hashCode();
      }
      hash = (29 * hash) + getUnknownFields().hashCode();
      memoizedHashCode = hash;
      return hash;
    }

    public static com.google.cloud.discoveryengine.v1beta.SearchResponse.GuidedSearchResult
        parseFrom(java.nio.ByteBuffer data)
            throws com.google.protobuf.InvalidProtocolBufferException {
      return PARSER.parseFrom(data);
    }

    public static com.google.cloud.discoveryengine.v1beta.SearchResponse.GuidedSearchResult
        parseFrom(
            java.nio.ByteBuffer data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
            throws com.google.protobuf.InvalidProtocolBufferException {
      return PARSER.parseFrom(data, extensionRegistry);
    }

    public static com.google.cloud.discoveryengine.v1beta.SearchResponse.GuidedSearchResult
        parseFrom(com.google.protobuf.ByteString data)
            throws com.google.protobuf.InvalidProtocolBufferException {
      return PARSER.parseFrom(data);
    }

    public static com.google.cloud.discoveryengine.v1beta.SearchResponse.GuidedSearchResult
        parseFrom(
            com.google.protobuf.ByteString data,
            com.google.protobuf.ExtensionRegistryLite extensionRegistry)
            throws com.google.protobuf.InvalidProtocolBufferException {
      return PARSER.parseFrom(data, extensionRegistry);
    }

    public static com.google.cloud.discoveryengine.v1beta.SearchResponse.GuidedSearchResult
        parseFrom(byte[] data) throws com.google.protobuf.InvalidProtocolBufferException {
      return PARSER.parseFrom(data);
    }

    public static com.google.cloud.discoveryengine.v1beta.SearchResponse.GuidedSearchResult
        parseFrom(byte[] data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
            throws com.google.protobuf.InvalidProtocolBufferException {
      return PARSER.parseFrom(data, extensionRegistry);
    }

    public static com.google.cloud.discoveryengine.v1beta.SearchResponse.GuidedSearchResult
        parseFrom(java.io.InputStream input) throws java.io.IOException {
      return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
    }

    public static com.google.cloud.discoveryengine.v1beta.SearchResponse.GuidedSearchResult
        parseFrom(
            java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
            throws java.io.IOException {
      return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
          PARSER, input, extensionRegistry);
    }

    public static com.google.cloud.discoveryengine.v1beta.SearchResponse.GuidedSearchResult
        parseDelimitedFrom(java.io.InputStream input) throws java.io.IOException {
      return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(PARSER, input);
    }

    public static com.google.cloud.discoveryengine.v1beta.SearchResponse.GuidedSearchResult
        parseDelimitedFrom(
            java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
            throws java.io.IOException {
      return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(
          PARSER, input, extensionRegistry);
    }

    public static com.google.cloud.discoveryengine.v1beta.SearchResponse.GuidedSearchResult
        parseFrom(com.google.protobuf.CodedInputStream input) throws java.io.IOException {
      return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
    }

    public static com.google.cloud.discoveryengine.v1beta.SearchResponse.GuidedSearchResult
        parseFrom(
            com.google.protobuf.CodedInputStream input,
            com.google.protobuf.ExtensionRegistryLite extensionRegistry)
            throws java.io.IOException {
      return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
          PARSER, input, extensionRegistry);
    }

    @java.lang.Override
    public Builder newBuilderForType() {
      return newBuilder();
    }

    public static Builder newBuilder() {
      return DEFAULT_INSTANCE.toBuilder();
    }

    public static Builder newBuilder(
        com.google.cloud.discoveryengine.v1beta.SearchResponse.GuidedSearchResult prototype) {
      return DEFAULT_INSTANCE.toBuilder().mergeFrom(prototype);
    }

    @java.lang.Override
    public Builder toBuilder() {
      return this == DEFAULT_INSTANCE ? new Builder() : new Builder().mergeFrom(this);
    }

    @java.lang.Override
    protected Builder newBuilderForType(
        com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
      Builder builder = new Builder(parent);
      return builder;
    }
    /**
     *
     *
     * <pre>
     * Guided search result. The guided search helps user to refine the search
     * results and narrow down to the real needs from a broaded search results.
     * </pre>
     *
     * Protobuf type {@code google.cloud.discoveryengine.v1beta.SearchResponse.GuidedSearchResult}
     */
    public static final class Builder
        extends com.google.protobuf.GeneratedMessageV3.Builder<Builder>
        implements
        // @@protoc_insertion_point(builder_implements:google.cloud.discoveryengine.v1beta.SearchResponse.GuidedSearchResult)
        com.google.cloud.discoveryengine.v1beta.SearchResponse.GuidedSearchResultOrBuilder {
      public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
        return com.google.cloud.discoveryengine.v1beta.SearchServiceProto
            .internal_static_google_cloud_discoveryengine_v1beta_SearchResponse_GuidedSearchResult_descriptor;
      }

      @java.lang.Override
      protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
          internalGetFieldAccessorTable() {
        return com.google.cloud.discoveryengine.v1beta.SearchServiceProto
            .internal_static_google_cloud_discoveryengine_v1beta_SearchResponse_GuidedSearchResult_fieldAccessorTable
            .ensureFieldAccessorsInitialized(
                com.google.cloud.discoveryengine.v1beta.SearchResponse.GuidedSearchResult.class,
                com.google.cloud.discoveryengine.v1beta.SearchResponse.GuidedSearchResult.Builder
                    .class);
      }

      // Construct using
      // com.google.cloud.discoveryengine.v1beta.SearchResponse.GuidedSearchResult.newBuilder()
      private Builder() {}

      private Builder(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
        super(parent);
      }

      @java.lang.Override
      public Builder clear() {
        super.clear();
        bitField0_ = 0;
        if (refinementAttributesBuilder_ == null) {
          refinementAttributes_ = java.util.Collections.emptyList();
        } else {
          refinementAttributes_ = null;
          refinementAttributesBuilder_.clear();
        }
        bitField0_ = (bitField0_ & ~0x00000001);
        return this;
      }

      @java.lang.Override
      public com.google.protobuf.Descriptors.Descriptor getDescriptorForType() {
        return com.google.cloud.discoveryengine.v1beta.SearchServiceProto
            .internal_static_google_cloud_discoveryengine_v1beta_SearchResponse_GuidedSearchResult_descriptor;
      }

      @java.lang.Override
      public com.google.cloud.discoveryengine.v1beta.SearchResponse.GuidedSearchResult
          getDefaultInstanceForType() {
        return com.google.cloud.discoveryengine.v1beta.SearchResponse.GuidedSearchResult
            .getDefaultInstance();
      }

      @java.lang.Override
      public com.google.cloud.discoveryengine.v1beta.SearchResponse.GuidedSearchResult build() {
        com.google.cloud.discoveryengine.v1beta.SearchResponse.GuidedSearchResult result =
            buildPartial();
        if (!result.isInitialized()) {
          throw newUninitializedMessageException(result);
        }
        return result;
      }

      @java.lang.Override
      public com.google.cloud.discoveryengine.v1beta.SearchResponse.GuidedSearchResult
          buildPartial() {
        com.google.cloud.discoveryengine.v1beta.SearchResponse.GuidedSearchResult result =
            new com.google.cloud.discoveryengine.v1beta.SearchResponse.GuidedSearchResult(this);
        buildPartialRepeatedFields(result);
        if (bitField0_ != 0) {
          buildPartial0(result);
        }
        onBuilt();
        return result;
      }

      private void buildPartialRepeatedFields(
          com.google.cloud.discoveryengine.v1beta.SearchResponse.GuidedSearchResult result) {
        if (refinementAttributesBuilder_ == null) {
          if (((bitField0_ & 0x00000001) != 0)) {
            refinementAttributes_ = java.util.Collections.unmodifiableList(refinementAttributes_);
            bitField0_ = (bitField0_ & ~0x00000001);
          }
          result.refinementAttributes_ = refinementAttributes_;
        } else {
          result.refinementAttributes_ = refinementAttributesBuilder_.build();
        }
      }

      private void buildPartial0(
          com.google.cloud.discoveryengine.v1beta.SearchResponse.GuidedSearchResult result) {
        int from_bitField0_ = bitField0_;
      }

      @java.lang.Override
      public Builder clone() {
        return super.clone();
      }

      @java.lang.Override
      public Builder setField(
          com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
        return super.setField(field, value);
      }

      @java.lang.Override
      public Builder clearField(com.google.protobuf.Descriptors.FieldDescriptor field) {
        return super.clearField(field);
      }

      @java.lang.Override
      public Builder clearOneof(com.google.protobuf.Descriptors.OneofDescriptor oneof) {
        return super.clearOneof(oneof);
      }

      @java.lang.Override
      public Builder setRepeatedField(
          com.google.protobuf.Descriptors.FieldDescriptor field,
          int index,
          java.lang.Object value) {
        return super.setRepeatedField(field, index, value);
      }

      @java.lang.Override
      public Builder addRepeatedField(
          com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
        return super.addRepeatedField(field, value);
      }

      @java.lang.Override
      public Builder mergeFrom(com.google.protobuf.Message other) {
        if (other
            instanceof com.google.cloud.discoveryengine.v1beta.SearchResponse.GuidedSearchResult) {
          return mergeFrom(
              (com.google.cloud.discoveryengine.v1beta.SearchResponse.GuidedSearchResult) other);
        } else {
          super.mergeFrom(other);
          return this;
        }
      }

      public Builder mergeFrom(
          com.google.cloud.discoveryengine.v1beta.SearchResponse.GuidedSearchResult other) {
        if (other
            == com.google.cloud.discoveryengine.v1beta.SearchResponse.GuidedSearchResult
                .getDefaultInstance()) return this;
        if (refinementAttributesBuilder_ == null) {
          if (!other.refinementAttributes_.isEmpty()) {
            if (refinementAttributes_.isEmpty()) {
              refinementAttributes_ = other.refinementAttributes_;
              bitField0_ = (bitField0_ & ~0x00000001);
            } else {
              ensureRefinementAttributesIsMutable();
              refinementAttributes_.addAll(other.refinementAttributes_);
            }
            onChanged();
          }
        } else {
          if (!other.refinementAttributes_.isEmpty()) {
            if (refinementAttributesBuilder_.isEmpty()) {
              refinementAttributesBuilder_.dispose();
              refinementAttributesBuilder_ = null;
              refinementAttributes_ = other.refinementAttributes_;
              bitField0_ = (bitField0_ & ~0x00000001);
              refinementAttributesBuilder_ =
                  com.google.protobuf.GeneratedMessageV3.alwaysUseFieldBuilders
                      ? getRefinementAttributesFieldBuilder()
                      : null;
            } else {
              refinementAttributesBuilder_.addAllMessages(other.refinementAttributes_);
            }
          }
        }
        this.mergeUnknownFields(other.getUnknownFields());
        onChanged();
        return this;
      }

      @java.lang.Override
      public final boolean isInitialized() {
        return true;
      }

      @java.lang.Override
      public Builder mergeFrom(
          com.google.protobuf.CodedInputStream input,
          com.google.protobuf.ExtensionRegistryLite extensionRegistry)
          throws java.io.IOException {
        if (extensionRegistry == null) {
          throw new java.lang.NullPointerException();
        }
        try {
          boolean done = false;
          while (!done) {
            int tag = input.readTag();
            switch (tag) {
              case 0:
                done = true;
                break;
              case 10:
                {
                  com.google.cloud.discoveryengine.v1beta.SearchResponse.GuidedSearchResult
                          .RefinementAttribute
                      m =
                          input.readMessage(
                              com.google.cloud.discoveryengine.v1beta.SearchResponse
                                  .GuidedSearchResult.RefinementAttribute.parser(),
                              extensionRegistry);
                  if (refinementAttributesBuilder_ == null) {
                    ensureRefinementAttributesIsMutable();
                    refinementAttributes_.add(m);
                  } else {
                    refinementAttributesBuilder_.addMessage(m);
                  }
                  break;
                } // case 10
              default:
                {
                  if (!super.parseUnknownField(input, extensionRegistry, tag)) {
                    done = true; // was an endgroup tag
                  }
                  break;
                } // default:
            } // switch (tag)
          } // while (!done)
        } catch (com.google.protobuf.InvalidProtocolBufferException e) {
          throw e.unwrapIOException();
        } finally {
          onChanged();
        } // finally
        return this;
      }

      private int bitField0_;

      private java.util.List<
              com.google.cloud.discoveryengine.v1beta.SearchResponse.GuidedSearchResult
                  .RefinementAttribute>
          refinementAttributes_ = java.util.Collections.emptyList();

      private void ensureRefinementAttributesIsMutable() {
        if (!((bitField0_ & 0x00000001) != 0)) {
          refinementAttributes_ =
              new java.util.ArrayList<
                  com.google.cloud.discoveryengine.v1beta.SearchResponse.GuidedSearchResult
                      .RefinementAttribute>(refinementAttributes_);
          bitField0_ |= 0x00000001;
        }
      }

      private com.google.protobuf.RepeatedFieldBuilderV3<
              com.google.cloud.discoveryengine.v1beta.SearchResponse.GuidedSearchResult
                  .RefinementAttribute,
              com.google.cloud.discoveryengine.v1beta.SearchResponse.GuidedSearchResult
                  .RefinementAttribute.Builder,
              com.google.cloud.discoveryengine.v1beta.SearchResponse.GuidedSearchResult
                  .RefinementAttributeOrBuilder>
          refinementAttributesBuilder_;

      /**
       *
       *
       * <pre>
       * A list of ranked refinement attributes.
       * </pre>
       *
       * <code>
       * repeated .google.cloud.discoveryengine.v1beta.SearchResponse.GuidedSearchResult.RefinementAttribute refinement_attributes = 1;
       * </code>
       */
      public java.util.List<
              com.google.cloud.discoveryengine.v1beta.SearchResponse.GuidedSearchResult
                  .RefinementAttribute>
          getRefinementAttributesList() {
        if (refinementAttributesBuilder_ == null) {
          return java.util.Collections.unmodifiableList(refinementAttributes_);
        } else {
          return refinementAttributesBuilder_.getMessageList();
        }
      }
      /**
       *
       *
       * <pre>
       * A list of ranked refinement attributes.
       * </pre>
       *
       * <code>
       * repeated .google.cloud.discoveryengine.v1beta.SearchResponse.GuidedSearchResult.RefinementAttribute refinement_attributes = 1;
       * </code>
       */
      public int getRefinementAttributesCount() {
        if (refinementAttributesBuilder_ == null) {
          return refinementAttributes_.size();
        } else {
          return refinementAttributesBuilder_.getCount();
        }
      }
      /**
       *
       *
       * <pre>
       * A list of ranked refinement attributes.
       * </pre>
       *
       * <code>
       * repeated .google.cloud.discoveryengine.v1beta.SearchResponse.GuidedSearchResult.RefinementAttribute refinement_attributes = 1;
       * </code>
       */
      public com.google.cloud.discoveryengine.v1beta.SearchResponse.GuidedSearchResult
              .RefinementAttribute
          getRefinementAttributes(int index) {
        if (refinementAttributesBuilder_ == null) {
          return refinementAttributes_.get(index);
        } else {
          return refinementAttributesBuilder_.getMessage(index);
        }
      }
      /**
       *
       *
       * <pre>
       * A list of ranked refinement attributes.
       * </pre>
       *
       * <code>
       * repeated .google.cloud.discoveryengine.v1beta.SearchResponse.GuidedSearchResult.RefinementAttribute refinement_attributes = 1;
       * </code>
       */
      public Builder setRefinementAttributes(
          int index,
          com.google.cloud.discoveryengine.v1beta.SearchResponse.GuidedSearchResult
                  .RefinementAttribute
              value) {
        if (refinementAttributesBuilder_ == null) {
          if (value == null) {
            throw new NullPointerException();
          }
          ensureRefinementAttributesIsMutable();
          refinementAttributes_.set(index, value);
          onChanged();
        } else {
          refinementAttributesBuilder_.setMessage(index, value);
        }
        return this;
      }
      /**
       *
       *
       * <pre>
       * A list of ranked refinement attributes.
       * </pre>
       *
       * <code>
       * repeated .google.cloud.discoveryengine.v1beta.SearchResponse.GuidedSearchResult.RefinementAttribute refinement_attributes = 1;
       * </code>
       */
      public Builder setRefinementAttributes(
          int index,
          com.google.cloud.discoveryengine.v1beta.SearchResponse.GuidedSearchResult
                  .RefinementAttribute.Builder
              builderForValue) {
        if (refinementAttributesBuilder_ == null) {
          ensureRefinementAttributesIsMutable();
          refinementAttributes_.set(index, builderForValue.build());
          onChanged();
        } else {
          refinementAttributesBuilder_.setMessage(index, builderForValue.build());
        }
        return this;
      }
      /**
       *
       *
       * <pre>
       * A list of ranked refinement attributes.
       * </pre>
       *
       * <code>
       * repeated .google.cloud.discoveryengine.v1beta.SearchResponse.GuidedSearchResult.RefinementAttribute refinement_attributes = 1;
       * </code>
       */
      public Builder addRefinementAttributes(
          com.google.cloud.discoveryengine.v1beta.SearchResponse.GuidedSearchResult
                  .RefinementAttribute
              value) {
        if (refinementAttributesBuilder_ == null) {
          if (value == null) {
            throw new NullPointerException();
          }
          ensureRefinementAttributesIsMutable();
          refinementAttributes_.add(value);
          onChanged();
        } else {
          refinementAttributesBuilder_.addMessage(value);
        }
        return this;
      }
      /**
       *
       *
       * <pre>
       * A list of ranked refinement attributes.
       * </pre>
       *
       * <code>
       * repeated .google.cloud.discoveryengine.v1beta.SearchResponse.GuidedSearchResult.RefinementAttribute refinement_attributes = 1;
       * </code>
       */
      public Builder addRefinementAttributes(
          int index,
          com.google.cloud.discoveryengine.v1beta.SearchResponse.GuidedSearchResult
                  .RefinementAttribute
              value) {
        if (refinementAttributesBuilder_ == null) {
          if (value == null) {
            throw new NullPointerException();
          }
          ensureRefinementAttributesIsMutable();
          refinementAttributes_.add(index, value);
          onChanged();
        } else {
          refinementAttributesBuilder_.addMessage(index, value);
        }
        return this;
      }
      /**
       *
       *
       * <pre>
       * A list of ranked refinement attributes.
       * </pre>
       *
       * <code>
       * repeated .google.cloud.discoveryengine.v1beta.SearchResponse.GuidedSearchResult.RefinementAttribute refinement_attributes = 1;
       * </code>
       */
      public Builder addRefinementAttributes(
          com.google.cloud.discoveryengine.v1beta.SearchResponse.GuidedSearchResult
                  .RefinementAttribute.Builder
              builderForValue) {
        if (refinementAttributesBuilder_ == null) {
          ensureRefinementAttributesIsMutable();
          refinementAttributes_.add(builderForValue.build());
          onChanged();
        } else {
          refinementAttributesBuilder_.addMessage(builderForValue.build());
        }
        return this;
      }
      /**
       *
       *
       * <pre>
       * A list of ranked refinement attributes.
       * </pre>
       *
       * <code>
       * repeated .google.cloud.discoveryengine.v1beta.SearchResponse.GuidedSearchResult.RefinementAttribute refinement_attributes = 1;
       * </code>
       */
      public Builder addRefinementAttributes(
          int index,
          com.google.cloud.discoveryengine.v1beta.SearchResponse.GuidedSearchResult
                  .RefinementAttribute.Builder
              builderForValue) {
        if (refinementAttributesBuilder_ == null) {
          ensureRefinementAttributesIsMutable();
          refinementAttributes_.add(index, builderForValue.build());
          onChanged();
        } else {
          refinementAttributesBuilder_.addMessage(index, builderForValue.build());
        }
        return this;
      }
      /**
       *
       *
       * <pre>
       * A list of ranked refinement attributes.
       * </pre>
       *
       * <code>
       * repeated .google.cloud.discoveryengine.v1beta.SearchResponse.GuidedSearchResult.RefinementAttribute refinement_attributes = 1;
       * </code>
       */
      public Builder addAllRefinementAttributes(
          java.lang.Iterable<
                  ? extends
                      com.google.cloud.discoveryengine.v1beta.SearchResponse.GuidedSearchResult
                          .RefinementAttribute>
              values) {
        if (refinementAttributesBuilder_ == null) {
          ensureRefinementAttributesIsMutable();
          com.google.protobuf.AbstractMessageLite.Builder.addAll(values, refinementAttributes_);
          onChanged();
        } else {
          refinementAttributesBuilder_.addAllMessages(values);
        }
        return this;
      }
      /**
       *
       *
       * <pre>
       * A list of ranked refinement attributes.
       * </pre>
       *
       * <code>
       * repeated .google.cloud.discoveryengine.v1beta.SearchResponse.GuidedSearchResult.RefinementAttribute refinement_attributes = 1;
       * </code>
       */
      public Builder clearRefinementAttributes() {
        if (refinementAttributesBuilder_ == null) {
          refinementAttributes_ = java.util.Collections.emptyList();
          bitField0_ = (bitField0_ & ~0x00000001);
          onChanged();
        } else {
          refinementAttributesBuilder_.clear();
        }
        return this;
      }
      /**
       *
       *
       * <pre>
       * A list of ranked refinement attributes.
       * </pre>
       *
       * <code>
       * repeated .google.cloud.discoveryengine.v1beta.SearchResponse.GuidedSearchResult.RefinementAttribute refinement_attributes = 1;
       * </code>
       */
      public Builder removeRefinementAttributes(int index) {
        if (refinementAttributesBuilder_ == null) {
          ensureRefinementAttributesIsMutable();
          refinementAttributes_.remove(index);
          onChanged();
        } else {
          refinementAttributesBuilder_.remove(index);
        }
        return this;
      }
      /**
       *
       *
       * <pre>
       * A list of ranked refinement attributes.
       * </pre>
       *
       * <code>
       * repeated .google.cloud.discoveryengine.v1beta.SearchResponse.GuidedSearchResult.RefinementAttribute refinement_attributes = 1;
       * </code>
       */
      public com.google.cloud.discoveryengine.v1beta.SearchResponse.GuidedSearchResult
              .RefinementAttribute.Builder
          getRefinementAttributesBuilder(int index) {
        return getRefinementAttributesFieldBuilder().getBuilder(index);
      }
      /**
       *
       *
       * <pre>
       * A list of ranked refinement attributes.
       * </pre>
       *
       * <code>
       * repeated .google.cloud.discoveryengine.v1beta.SearchResponse.GuidedSearchResult.RefinementAttribute refinement_attributes = 1;
       * </code>
       */
      public com.google.cloud.discoveryengine.v1beta.SearchResponse.GuidedSearchResult
              .RefinementAttributeOrBuilder
          getRefinementAttributesOrBuilder(int index) {
        if (refinementAttributesBuilder_ == null) {
          return refinementAttributes_.get(index);
        } else {
          return refinementAttributesBuilder_.getMessageOrBuilder(index);
        }
      }
      /**
       *
       *
       * <pre>
       * A list of ranked refinement attributes.
       * </pre>
       *
       * <code>
       * repeated .google.cloud.discoveryengine.v1beta.SearchResponse.GuidedSearchResult.RefinementAttribute refinement_attributes = 1;
       * </code>
       */
      public java.util.List<
              ? extends
                  com.google.cloud.discoveryengine.v1beta.SearchResponse.GuidedSearchResult
                      .RefinementAttributeOrBuilder>
          getRefinementAttributesOrBuilderList() {
        if (refinementAttributesBuilder_ != null) {
          return refinementAttributesBuilder_.getMessageOrBuilderList();
        } else {
          return java.util.Collections.unmodifiableList(refinementAttributes_);
        }
      }
      /**
       *
       *
       * <pre>
       * A list of ranked refinement attributes.
       * </pre>
       *
       * <code>
       * repeated .google.cloud.discoveryengine.v1beta.SearchResponse.GuidedSearchResult.RefinementAttribute refinement_attributes = 1;
       * </code>
       */
      public com.google.cloud.discoveryengine.v1beta.SearchResponse.GuidedSearchResult
              .RefinementAttribute.Builder
          addRefinementAttributesBuilder() {
        return getRefinementAttributesFieldBuilder()
            .addBuilder(
                com.google.cloud.discoveryengine.v1beta.SearchResponse.GuidedSearchResult
                    .RefinementAttribute.getDefaultInstance());
      }
      /**
       *
       *
       * <pre>
       * A list of ranked refinement attributes.
       * </pre>
       *
       * <code>
       * repeated .google.cloud.discoveryengine.v1beta.SearchResponse.GuidedSearchResult.RefinementAttribute refinement_attributes = 1;
       * </code>
       */
      public com.google.cloud.discoveryengine.v1beta.SearchResponse.GuidedSearchResult
              .RefinementAttribute.Builder
          addRefinementAttributesBuilder(int index) {
        return getRefinementAttributesFieldBuilder()
            .addBuilder(
                index,
                com.google.cloud.discoveryengine.v1beta.SearchResponse.GuidedSearchResult
                    .RefinementAttribute.getDefaultInstance());
      }
      /**
       *
       *
       * <pre>
       * A list of ranked refinement attributes.
       * </pre>
       *
       * <code>
       * repeated .google.cloud.discoveryengine.v1beta.SearchResponse.GuidedSearchResult.RefinementAttribute refinement_attributes = 1;
       * </code>
       */
      public java.util.List<
              com.google.cloud.discoveryengine.v1beta.SearchResponse.GuidedSearchResult
                  .RefinementAttribute.Builder>
          getRefinementAttributesBuilderList() {
        return getRefinementAttributesFieldBuilder().getBuilderList();
      }

      private com.google.protobuf.RepeatedFieldBuilderV3<
              com.google.cloud.discoveryengine.v1beta.SearchResponse.GuidedSearchResult
                  .RefinementAttribute,
              com.google.cloud.discoveryengine.v1beta.SearchResponse.GuidedSearchResult
                  .RefinementAttribute.Builder,
              com.google.cloud.discoveryengine.v1beta.SearchResponse.GuidedSearchResult
                  .RefinementAttributeOrBuilder>
          getRefinementAttributesFieldBuilder() {
        if (refinementAttributesBuilder_ == null) {
          refinementAttributesBuilder_ =
              new com.google.protobuf.RepeatedFieldBuilderV3<
                  com.google.cloud.discoveryengine.v1beta.SearchResponse.GuidedSearchResult
                      .RefinementAttribute,
                  com.google.cloud.discoveryengine.v1beta.SearchResponse.GuidedSearchResult
                      .RefinementAttribute.Builder,
                  com.google.cloud.discoveryengine.v1beta.SearchResponse.GuidedSearchResult
                      .RefinementAttributeOrBuilder>(
                  refinementAttributes_,
                  ((bitField0_ & 0x00000001) != 0),
                  getParentForChildren(),
                  isClean());
          refinementAttributes_ = null;
        }
        return refinementAttributesBuilder_;
      }

      @java.lang.Override
      public final Builder setUnknownFields(
          final com.google.protobuf.UnknownFieldSet unknownFields) {
        return super.setUnknownFields(unknownFields);
      }

      @java.lang.Override
      public final Builder mergeUnknownFields(
          final com.google.protobuf.UnknownFieldSet unknownFields) {
        return super.mergeUnknownFields(unknownFields);
      }

      // @@protoc_insertion_point(builder_scope:google.cloud.discoveryengine.v1beta.SearchResponse.GuidedSearchResult)
    }

    // @@protoc_insertion_point(class_scope:google.cloud.discoveryengine.v1beta.SearchResponse.GuidedSearchResult)
    private static final com.google.cloud.discoveryengine.v1beta.SearchResponse.GuidedSearchResult
        DEFAULT_INSTANCE;

    static {
      DEFAULT_INSTANCE =
          new com.google.cloud.discoveryengine.v1beta.SearchResponse.GuidedSearchResult();
    }

    public static com.google.cloud.discoveryengine.v1beta.SearchResponse.GuidedSearchResult
        getDefaultInstance() {
      return DEFAULT_INSTANCE;
    }

    private static final com.google.protobuf.Parser<GuidedSearchResult> PARSER =
        new com.google.protobuf.AbstractParser<GuidedSearchResult>() {
          @java.lang.Override
          public GuidedSearchResult parsePartialFrom(
              com.google.protobuf.CodedInputStream input,
              com.google.protobuf.ExtensionRegistryLite extensionRegistry)
              throws com.google.protobuf.InvalidProtocolBufferException {
            Builder builder = newBuilder();
            try {
              builder.mergeFrom(input, extensionRegistry);
            } catch (com.google.protobuf.InvalidProtocolBufferException e) {
              throw e.setUnfinishedMessage(builder.buildPartial());
            } catch (com.google.protobuf.UninitializedMessageException e) {
              throw e.asInvalidProtocolBufferException()
                  .setUnfinishedMessage(builder.buildPartial());
            } catch (java.io.IOException e) {
              throw new com.google.protobuf.InvalidProtocolBufferException(e)
                  .setUnfinishedMessage(builder.buildPartial());
            }
            return builder.buildPartial();
          }
        };

    public static com.google.protobuf.Parser<GuidedSearchResult> parser() {
      return PARSER;
    }

    @java.lang.Override
    public com.google.protobuf.Parser<GuidedSearchResult> getParserForType() {
      return PARSER;
    }

    @java.lang.Override
    public com.google.cloud.discoveryengine.v1beta.SearchResponse.GuidedSearchResult
        getDefaultInstanceForType() {
      return DEFAULT_INSTANCE;
    }
  }

  public interface SummaryOrBuilder
      extends
      // @@protoc_insertion_point(interface_extends:google.cloud.discoveryengine.v1beta.SearchResponse.Summary)
      com.google.protobuf.MessageOrBuilder {

    /**
     *
     *
     * <pre>
     * The summary content.
     * </pre>
     *
     * <code>string summary_text = 1;</code>
     *
     * @return The summaryText.
     */
    java.lang.String getSummaryText();
    /**
     *
     *
     * <pre>
     * The summary content.
     * </pre>
     *
     * <code>string summary_text = 1;</code>
     *
     * @return The bytes for summaryText.
     */
    com.google.protobuf.ByteString getSummaryTextBytes();
  }
  /**
   *
   *
   * <pre>
   * Summary of the top N search result specified by the summary spec.
   * </pre>
   *
   * Protobuf type {@code google.cloud.discoveryengine.v1beta.SearchResponse.Summary}
   */
  public static final class Summary extends com.google.protobuf.GeneratedMessageV3
      implements
      // @@protoc_insertion_point(message_implements:google.cloud.discoveryengine.v1beta.SearchResponse.Summary)
      SummaryOrBuilder {
    private static final long serialVersionUID = 0L;
    // Use Summary.newBuilder() to construct.
    private Summary(com.google.protobuf.GeneratedMessageV3.Builder<?> builder) {
      super(builder);
    }

    private Summary() {
      summaryText_ = "";
    }

    @java.lang.Override
    @SuppressWarnings({"unused"})
    protected java.lang.Object newInstance(UnusedPrivateParameter unused) {
      return new Summary();
    }

    @java.lang.Override
    public final com.google.protobuf.UnknownFieldSet getUnknownFields() {
      return this.unknownFields;
    }

    public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
      return com.google.cloud.discoveryengine.v1beta.SearchServiceProto
          .internal_static_google_cloud_discoveryengine_v1beta_SearchResponse_Summary_descriptor;
    }

    @java.lang.Override
    protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
        internalGetFieldAccessorTable() {
      return com.google.cloud.discoveryengine.v1beta.SearchServiceProto
          .internal_static_google_cloud_discoveryengine_v1beta_SearchResponse_Summary_fieldAccessorTable
          .ensureFieldAccessorsInitialized(
              com.google.cloud.discoveryengine.v1beta.SearchResponse.Summary.class,
              com.google.cloud.discoveryengine.v1beta.SearchResponse.Summary.Builder.class);
    }

    public static final int SUMMARY_TEXT_FIELD_NUMBER = 1;

    @SuppressWarnings("serial")
    private volatile java.lang.Object summaryText_ = "";
    /**
     *
     *
     * <pre>
     * The summary content.
     * </pre>
     *
     * <code>string summary_text = 1;</code>
     *
     * @return The summaryText.
     */
    @java.lang.Override
    public java.lang.String getSummaryText() {
      java.lang.Object ref = summaryText_;
      if (ref instanceof java.lang.String) {
        return (java.lang.String) ref;
      } else {
        com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
        java.lang.String s = bs.toStringUtf8();
        summaryText_ = s;
        return s;
      }
    }
    /**
     *
     *
     * <pre>
     * The summary content.
     * </pre>
     *
     * <code>string summary_text = 1;</code>
     *
     * @return The bytes for summaryText.
     */
    @java.lang.Override
    public com.google.protobuf.ByteString getSummaryTextBytes() {
      java.lang.Object ref = summaryText_;
      if (ref instanceof java.lang.String) {
        com.google.protobuf.ByteString b =
            com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
        summaryText_ = b;
        return b;
      } else {
        return (com.google.protobuf.ByteString) ref;
      }
    }

    private byte memoizedIsInitialized = -1;

    @java.lang.Override
    public final boolean isInitialized() {
      byte isInitialized = memoizedIsInitialized;
      if (isInitialized == 1) return true;
      if (isInitialized == 0) return false;

      memoizedIsInitialized = 1;
      return true;
    }

    @java.lang.Override
    public void writeTo(com.google.protobuf.CodedOutputStream output) throws java.io.IOException {
      if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(summaryText_)) {
        com.google.protobuf.GeneratedMessageV3.writeString(output, 1, summaryText_);
      }
      getUnknownFields().writeTo(output);
    }

    @java.lang.Override
    public int getSerializedSize() {
      int size = memoizedSize;
      if (size != -1) return size;

      size = 0;
      if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(summaryText_)) {
        size += com.google.protobuf.GeneratedMessageV3.computeStringSize(1, summaryText_);
      }
      size += getUnknownFields().getSerializedSize();
      memoizedSize = size;
      return size;
    }

    @java.lang.Override
    public boolean equals(final java.lang.Object obj) {
      if (obj == this) {
        return true;
      }
      if (!(obj instanceof com.google.cloud.discoveryengine.v1beta.SearchResponse.Summary)) {
        return super.equals(obj);
      }
      com.google.cloud.discoveryengine.v1beta.SearchResponse.Summary other =
          (com.google.cloud.discoveryengine.v1beta.SearchResponse.Summary) obj;

      if (!getSummaryText().equals(other.getSummaryText())) return false;
      if (!getUnknownFields().equals(other.getUnknownFields())) return false;
      return true;
    }

    @java.lang.Override
    public int hashCode() {
      if (memoizedHashCode != 0) {
        return memoizedHashCode;
      }
      int hash = 41;
      hash = (19 * hash) + getDescriptor().hashCode();
      hash = (37 * hash) + SUMMARY_TEXT_FIELD_NUMBER;
      hash = (53 * hash) + getSummaryText().hashCode();
      hash = (29 * hash) + getUnknownFields().hashCode();
      memoizedHashCode = hash;
      return hash;
    }

    public static com.google.cloud.discoveryengine.v1beta.SearchResponse.Summary parseFrom(
        java.nio.ByteBuffer data) throws com.google.protobuf.InvalidProtocolBufferException {
      return PARSER.parseFrom(data);
    }

    public static com.google.cloud.discoveryengine.v1beta.SearchResponse.Summary parseFrom(
        java.nio.ByteBuffer data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
        throws com.google.protobuf.InvalidProtocolBufferException {
      return PARSER.parseFrom(data, extensionRegistry);
    }

    public static com.google.cloud.discoveryengine.v1beta.SearchResponse.Summary parseFrom(
        com.google.protobuf.ByteString data)
        throws com.google.protobuf.InvalidProtocolBufferException {
      return PARSER.parseFrom(data);
    }

    public static com.google.cloud.discoveryengine.v1beta.SearchResponse.Summary parseFrom(
        com.google.protobuf.ByteString data,
        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
        throws com.google.protobuf.InvalidProtocolBufferException {
      return PARSER.parseFrom(data, extensionRegistry);
    }

    public static com.google.cloud.discoveryengine.v1beta.SearchResponse.Summary parseFrom(
        byte[] data) throws com.google.protobuf.InvalidProtocolBufferException {
      return PARSER.parseFrom(data);
    }

    public static com.google.cloud.discoveryengine.v1beta.SearchResponse.Summary parseFrom(
        byte[] data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
        throws com.google.protobuf.InvalidProtocolBufferException {
      return PARSER.parseFrom(data, extensionRegistry);
    }

    public static com.google.cloud.discoveryengine.v1beta.SearchResponse.Summary parseFrom(
        java.io.InputStream input) throws java.io.IOException {
      return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
    }

    public static com.google.cloud.discoveryengine.v1beta.SearchResponse.Summary parseFrom(
        java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
        throws java.io.IOException {
      return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
          PARSER, input, extensionRegistry);
    }

    public static com.google.cloud.discoveryengine.v1beta.SearchResponse.Summary parseDelimitedFrom(
        java.io.InputStream input) throws java.io.IOException {
      return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(PARSER, input);
    }

    public static com.google.cloud.discoveryengine.v1beta.SearchResponse.Summary parseDelimitedFrom(
        java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
        throws java.io.IOException {
      return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(
          PARSER, input, extensionRegistry);
    }

    public static com.google.cloud.discoveryengine.v1beta.SearchResponse.Summary parseFrom(
        com.google.protobuf.CodedInputStream input) throws java.io.IOException {
      return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
    }

    public static com.google.cloud.discoveryengine.v1beta.SearchResponse.Summary parseFrom(
        com.google.protobuf.CodedInputStream input,
        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
        throws java.io.IOException {
      return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
          PARSER, input, extensionRegistry);
    }

    @java.lang.Override
    public Builder newBuilderForType() {
      return newBuilder();
    }

    public static Builder newBuilder() {
      return DEFAULT_INSTANCE.toBuilder();
    }

    public static Builder newBuilder(
        com.google.cloud.discoveryengine.v1beta.SearchResponse.Summary prototype) {
      return DEFAULT_INSTANCE.toBuilder().mergeFrom(prototype);
    }

    @java.lang.Override
    public Builder toBuilder() {
      return this == DEFAULT_INSTANCE ? new Builder() : new Builder().mergeFrom(this);
    }

    @java.lang.Override
    protected Builder newBuilderForType(
        com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
      Builder builder = new Builder(parent);
      return builder;
    }
    /**
     *
     *
     * <pre>
     * Summary of the top N search result specified by the summary spec.
     * </pre>
     *
     * Protobuf type {@code google.cloud.discoveryengine.v1beta.SearchResponse.Summary}
     */
    public static final class Builder
        extends com.google.protobuf.GeneratedMessageV3.Builder<Builder>
        implements
        // @@protoc_insertion_point(builder_implements:google.cloud.discoveryengine.v1beta.SearchResponse.Summary)
        com.google.cloud.discoveryengine.v1beta.SearchResponse.SummaryOrBuilder {
      public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
        return com.google.cloud.discoveryengine.v1beta.SearchServiceProto
            .internal_static_google_cloud_discoveryengine_v1beta_SearchResponse_Summary_descriptor;
      }

      @java.lang.Override
      protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
          internalGetFieldAccessorTable() {
        return com.google.cloud.discoveryengine.v1beta.SearchServiceProto
            .internal_static_google_cloud_discoveryengine_v1beta_SearchResponse_Summary_fieldAccessorTable
            .ensureFieldAccessorsInitialized(
                com.google.cloud.discoveryengine.v1beta.SearchResponse.Summary.class,
                com.google.cloud.discoveryengine.v1beta.SearchResponse.Summary.Builder.class);
      }

      // Construct using com.google.cloud.discoveryengine.v1beta.SearchResponse.Summary.newBuilder()
      private Builder() {}

      private Builder(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
        super(parent);
      }

      @java.lang.Override
      public Builder clear() {
        super.clear();
        bitField0_ = 0;
        summaryText_ = "";
        return this;
      }

      @java.lang.Override
      public com.google.protobuf.Descriptors.Descriptor getDescriptorForType() {
        return com.google.cloud.discoveryengine.v1beta.SearchServiceProto
            .internal_static_google_cloud_discoveryengine_v1beta_SearchResponse_Summary_descriptor;
      }

      @java.lang.Override
      public com.google.cloud.discoveryengine.v1beta.SearchResponse.Summary
          getDefaultInstanceForType() {
        return com.google.cloud.discoveryengine.v1beta.SearchResponse.Summary.getDefaultInstance();
      }

      @java.lang.Override
      public com.google.cloud.discoveryengine.v1beta.SearchResponse.Summary build() {
        com.google.cloud.discoveryengine.v1beta.SearchResponse.Summary result = buildPartial();
        if (!result.isInitialized()) {
          throw newUninitializedMessageException(result);
        }
        return result;
      }

      @java.lang.Override
      public com.google.cloud.discoveryengine.v1beta.SearchResponse.Summary buildPartial() {
        com.google.cloud.discoveryengine.v1beta.SearchResponse.Summary result =
            new com.google.cloud.discoveryengine.v1beta.SearchResponse.Summary(this);
        if (bitField0_ != 0) {
          buildPartial0(result);
        }
        onBuilt();
        return result;
      }

      private void buildPartial0(
          com.google.cloud.discoveryengine.v1beta.SearchResponse.Summary result) {
        int from_bitField0_ = bitField0_;
        if (((from_bitField0_ & 0x00000001) != 0)) {
          result.summaryText_ = summaryText_;
        }
      }

      @java.lang.Override
      public Builder clone() {
        return super.clone();
      }

      @java.lang.Override
      public Builder setField(
          com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
        return super.setField(field, value);
      }

      @java.lang.Override
      public Builder clearField(com.google.protobuf.Descriptors.FieldDescriptor field) {
        return super.clearField(field);
      }

      @java.lang.Override
      public Builder clearOneof(com.google.protobuf.Descriptors.OneofDescriptor oneof) {
        return super.clearOneof(oneof);
      }

      @java.lang.Override
      public Builder setRepeatedField(
          com.google.protobuf.Descriptors.FieldDescriptor field,
          int index,
          java.lang.Object value) {
        return super.setRepeatedField(field, index, value);
      }

      @java.lang.Override
      public Builder addRepeatedField(
          com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
        return super.addRepeatedField(field, value);
      }

      @java.lang.Override
      public Builder mergeFrom(com.google.protobuf.Message other) {
        if (other instanceof com.google.cloud.discoveryengine.v1beta.SearchResponse.Summary) {
          return mergeFrom((com.google.cloud.discoveryengine.v1beta.SearchResponse.Summary) other);
        } else {
          super.mergeFrom(other);
          return this;
        }
      }

      public Builder mergeFrom(
          com.google.cloud.discoveryengine.v1beta.SearchResponse.Summary other) {
        if (other
            == com.google.cloud.discoveryengine.v1beta.SearchResponse.Summary.getDefaultInstance())
          return this;
        if (!other.getSummaryText().isEmpty()) {
          summaryText_ = other.summaryText_;
          bitField0_ |= 0x00000001;
          onChanged();
        }
        this.mergeUnknownFields(other.getUnknownFields());
        onChanged();
        return this;
      }

      @java.lang.Override
      public final boolean isInitialized() {
        return true;
      }

      @java.lang.Override
      public Builder mergeFrom(
          com.google.protobuf.CodedInputStream input,
          com.google.protobuf.ExtensionRegistryLite extensionRegistry)
          throws java.io.IOException {
        if (extensionRegistry == null) {
          throw new java.lang.NullPointerException();
        }
        try {
          boolean done = false;
          while (!done) {
            int tag = input.readTag();
            switch (tag) {
              case 0:
                done = true;
                break;
              case 10:
                {
                  summaryText_ = input.readStringRequireUtf8();
                  bitField0_ |= 0x00000001;
                  break;
                } // case 10
              default:
                {
                  if (!super.parseUnknownField(input, extensionRegistry, tag)) {
                    done = true; // was an endgroup tag
                  }
                  break;
                } // default:
            } // switch (tag)
          } // while (!done)
        } catch (com.google.protobuf.InvalidProtocolBufferException e) {
          throw e.unwrapIOException();
        } finally {
          onChanged();
        } // finally
        return this;
      }

      private int bitField0_;

      private java.lang.Object summaryText_ = "";
      /**
       *
       *
       * <pre>
       * The summary content.
       * </pre>
       *
       * <code>string summary_text = 1;</code>
       *
       * @return The summaryText.
       */
      public java.lang.String getSummaryText() {
        java.lang.Object ref = summaryText_;
        if (!(ref instanceof java.lang.String)) {
          com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
          java.lang.String s = bs.toStringUtf8();
          summaryText_ = s;
          return s;
        } else {
          return (java.lang.String) ref;
        }
      }
      /**
       *
       *
       * <pre>
       * The summary content.
       * </pre>
       *
       * <code>string summary_text = 1;</code>
       *
       * @return The bytes for summaryText.
       */
      public com.google.protobuf.ByteString getSummaryTextBytes() {
        java.lang.Object ref = summaryText_;
        if (ref instanceof String) {
          com.google.protobuf.ByteString b =
              com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
          summaryText_ = b;
          return b;
        } else {
          return (com.google.protobuf.ByteString) ref;
        }
      }
      /**
       *
       *
       * <pre>
       * The summary content.
       * </pre>
       *
       * <code>string summary_text = 1;</code>
       *
       * @param value The summaryText to set.
       * @return This builder for chaining.
       */
      public Builder setSummaryText(java.lang.String value) {
        if (value == null) {
          throw new NullPointerException();
        }
        summaryText_ = value;
        bitField0_ |= 0x00000001;
        onChanged();
        return this;
      }
      /**
       *
       *
       * <pre>
       * The summary content.
       * </pre>
       *
       * <code>string summary_text = 1;</code>
       *
       * @return This builder for chaining.
       */
      public Builder clearSummaryText() {
        summaryText_ = getDefaultInstance().getSummaryText();
        bitField0_ = (bitField0_ & ~0x00000001);
        onChanged();
        return this;
      }
      /**
       *
       *
       * <pre>
       * The summary content.
       * </pre>
       *
       * <code>string summary_text = 1;</code>
       *
       * @param value The bytes for summaryText to set.
       * @return This builder for chaining.
       */
      public Builder setSummaryTextBytes(com.google.protobuf.ByteString value) {
        if (value == null) {
          throw new NullPointerException();
        }
        checkByteStringIsUtf8(value);
        summaryText_ = value;
        bitField0_ |= 0x00000001;
        onChanged();
        return this;
      }

      @java.lang.Override
      public final Builder setUnknownFields(
          final com.google.protobuf.UnknownFieldSet unknownFields) {
        return super.setUnknownFields(unknownFields);
      }

      @java.lang.Override
      public final Builder mergeUnknownFields(
          final com.google.protobuf.UnknownFieldSet unknownFields) {
        return super.mergeUnknownFields(unknownFields);
      }

      // @@protoc_insertion_point(builder_scope:google.cloud.discoveryengine.v1beta.SearchResponse.Summary)
    }

    // @@protoc_insertion_point(class_scope:google.cloud.discoveryengine.v1beta.SearchResponse.Summary)
    private static final com.google.cloud.discoveryengine.v1beta.SearchResponse.Summary
        DEFAULT_INSTANCE;

    static {
      DEFAULT_INSTANCE = new com.google.cloud.discoveryengine.v1beta.SearchResponse.Summary();
    }

    public static com.google.cloud.discoveryengine.v1beta.SearchResponse.Summary
        getDefaultInstance() {
      return DEFAULT_INSTANCE;
    }

    private static final com.google.protobuf.Parser<Summary> PARSER =
        new com.google.protobuf.AbstractParser<Summary>() {
          @java.lang.Override
          public Summary parsePartialFrom(
              com.google.protobuf.CodedInputStream input,
              com.google.protobuf.ExtensionRegistryLite extensionRegistry)
              throws com.google.protobuf.InvalidProtocolBufferException {
            Builder builder = newBuilder();
            try {
              builder.mergeFrom(input, extensionRegistry);
            } catch (com.google.protobuf.InvalidProtocolBufferException e) {
              throw e.setUnfinishedMessage(builder.buildPartial());
            } catch (com.google.protobuf.UninitializedMessageException e) {
              throw e.asInvalidProtocolBufferException()
                  .setUnfinishedMessage(builder.buildPartial());
            } catch (java.io.IOException e) {
              throw new com.google.protobuf.InvalidProtocolBufferException(e)
                  .setUnfinishedMessage(builder.buildPartial());
            }
            return builder.buildPartial();
          }
        };

    public static com.google.protobuf.Parser<Summary> parser() {
      return PARSER;
    }

    @java.lang.Override
    public com.google.protobuf.Parser<Summary> getParserForType() {
      return PARSER;
    }

    @java.lang.Override
    public com.google.cloud.discoveryengine.v1beta.SearchResponse.Summary
        getDefaultInstanceForType() {
      return DEFAULT_INSTANCE;
    }
  }

  public static final int RESULTS_FIELD_NUMBER = 1;

  @SuppressWarnings("serial")
  private java.util.List<com.google.cloud.discoveryengine.v1beta.SearchResponse.SearchResult>
      results_;
  /**
   *
   *
   * <pre>
   * A list of matched documents. The order represents the ranking.
   * </pre>
   *
   * <code>repeated .google.cloud.discoveryengine.v1beta.SearchResponse.SearchResult results = 1;
   * </code>
   */
  @java.lang.Override
  public java.util.List<com.google.cloud.discoveryengine.v1beta.SearchResponse.SearchResult>
      getResultsList() {
    return results_;
  }
  /**
   *
   *
   * <pre>
   * A list of matched documents. The order represents the ranking.
   * </pre>
   *
   * <code>repeated .google.cloud.discoveryengine.v1beta.SearchResponse.SearchResult results = 1;
   * </code>
   */
  @java.lang.Override
  public java.util.List<
          ? extends com.google.cloud.discoveryengine.v1beta.SearchResponse.SearchResultOrBuilder>
      getResultsOrBuilderList() {
    return results_;
  }
  /**
   *
   *
   * <pre>
   * A list of matched documents. The order represents the ranking.
   * </pre>
   *
   * <code>repeated .google.cloud.discoveryengine.v1beta.SearchResponse.SearchResult results = 1;
   * </code>
   */
  @java.lang.Override
  public int getResultsCount() {
    return results_.size();
  }
  /**
   *
   *
   * <pre>
   * A list of matched documents. The order represents the ranking.
   * </pre>
   *
   * <code>repeated .google.cloud.discoveryengine.v1beta.SearchResponse.SearchResult results = 1;
   * </code>
   */
  @java.lang.Override
  public com.google.cloud.discoveryengine.v1beta.SearchResponse.SearchResult getResults(int index) {
    return results_.get(index);
  }
  /**
   *
   *
   * <pre>
   * A list of matched documents. The order represents the ranking.
   * </pre>
   *
   * <code>repeated .google.cloud.discoveryengine.v1beta.SearchResponse.SearchResult results = 1;
   * </code>
   */
  @java.lang.Override
  public com.google.cloud.discoveryengine.v1beta.SearchResponse.SearchResultOrBuilder
      getResultsOrBuilder(int index) {
    return results_.get(index);
  }

  public static final int FACETS_FIELD_NUMBER = 2;

  @SuppressWarnings("serial")
  private java.util.List<com.google.cloud.discoveryengine.v1beta.SearchResponse.Facet> facets_;
  /**
   *
   *
   * <pre>
   * Results of facets requested by user.
   * </pre>
   *
   * <code>repeated .google.cloud.discoveryengine.v1beta.SearchResponse.Facet facets = 2;</code>
   */
  @java.lang.Override
  public java.util.List<com.google.cloud.discoveryengine.v1beta.SearchResponse.Facet>
      getFacetsList() {
    return facets_;
  }
  /**
   *
   *
   * <pre>
   * Results of facets requested by user.
   * </pre>
   *
   * <code>repeated .google.cloud.discoveryengine.v1beta.SearchResponse.Facet facets = 2;</code>
   */
  @java.lang.Override
  public java.util.List<
          ? extends com.google.cloud.discoveryengine.v1beta.SearchResponse.FacetOrBuilder>
      getFacetsOrBuilderList() {
    return facets_;
  }
  /**
   *
   *
   * <pre>
   * Results of facets requested by user.
   * </pre>
   *
   * <code>repeated .google.cloud.discoveryengine.v1beta.SearchResponse.Facet facets = 2;</code>
   */
  @java.lang.Override
  public int getFacetsCount() {
    return facets_.size();
  }
  /**
   *
   *
   * <pre>
   * Results of facets requested by user.
   * </pre>
   *
   * <code>repeated .google.cloud.discoveryengine.v1beta.SearchResponse.Facet facets = 2;</code>
   */
  @java.lang.Override
  public com.google.cloud.discoveryengine.v1beta.SearchResponse.Facet getFacets(int index) {
    return facets_.get(index);
  }
  /**
   *
   *
   * <pre>
   * Results of facets requested by user.
   * </pre>
   *
   * <code>repeated .google.cloud.discoveryengine.v1beta.SearchResponse.Facet facets = 2;</code>
   */
  @java.lang.Override
  public com.google.cloud.discoveryengine.v1beta.SearchResponse.FacetOrBuilder getFacetsOrBuilder(
      int index) {
    return facets_.get(index);
  }

  public static final int GUIDED_SEARCH_RESULT_FIELD_NUMBER = 8;
  private com.google.cloud.discoveryengine.v1beta.SearchResponse.GuidedSearchResult
      guidedSearchResult_;
  /**
   *
   *
   * <pre>
   * Guided search result.
   * </pre>
   *
   * <code>
   * .google.cloud.discoveryengine.v1beta.SearchResponse.GuidedSearchResult guided_search_result = 8;
   * </code>
   *
   * @return Whether the guidedSearchResult field is set.
   */
  @java.lang.Override
  public boolean hasGuidedSearchResult() {
    return guidedSearchResult_ != null;
  }
  /**
   *
   *
   * <pre>
   * Guided search result.
   * </pre>
   *
   * <code>
   * .google.cloud.discoveryengine.v1beta.SearchResponse.GuidedSearchResult guided_search_result = 8;
   * </code>
   *
   * @return The guidedSearchResult.
   */
  @java.lang.Override
  public com.google.cloud.discoveryengine.v1beta.SearchResponse.GuidedSearchResult
      getGuidedSearchResult() {
    return guidedSearchResult_ == null
        ? com.google.cloud.discoveryengine.v1beta.SearchResponse.GuidedSearchResult
            .getDefaultInstance()
        : guidedSearchResult_;
  }
  /**
   *
   *
   * <pre>
   * Guided search result.
   * </pre>
   *
   * <code>
   * .google.cloud.discoveryengine.v1beta.SearchResponse.GuidedSearchResult guided_search_result = 8;
   * </code>
   */
  @java.lang.Override
  public com.google.cloud.discoveryengine.v1beta.SearchResponse.GuidedSearchResultOrBuilder
      getGuidedSearchResultOrBuilder() {
    return guidedSearchResult_ == null
        ? com.google.cloud.discoveryengine.v1beta.SearchResponse.GuidedSearchResult
            .getDefaultInstance()
        : guidedSearchResult_;
  }

  public static final int TOTAL_SIZE_FIELD_NUMBER = 3;
  private int totalSize_ = 0;
  /**
   *
   *
   * <pre>
   * The estimated total count of matched items irrespective of pagination. The
   * count of
   * [results][google.cloud.discoveryengine.v1beta.SearchResponse.results]
   * returned by pagination may be less than the
   * [total_size][google.cloud.discoveryengine.v1beta.SearchResponse.total_size]
   * that matches.
   * </pre>
   *
   * <code>int32 total_size = 3;</code>
   *
   * @return The totalSize.
   */
  @java.lang.Override
  public int getTotalSize() {
    return totalSize_;
  }

  public static final int ATTRIBUTION_TOKEN_FIELD_NUMBER = 4;

  @SuppressWarnings("serial")
  private volatile java.lang.Object attributionToken_ = "";
  /**
   *
   *
   * <pre>
   * A unique search token. This should be included in the
   * [UserEvent][google.cloud.discoveryengine.v1beta.UserEvent] logs resulting
   * from this search, which enables accurate attribution of search model
   * performance.
   * </pre>
   *
   * <code>string attribution_token = 4;</code>
   *
   * @return The attributionToken.
   */
  @java.lang.Override
  public java.lang.String getAttributionToken() {
    java.lang.Object ref = attributionToken_;
    if (ref instanceof java.lang.String) {
      return (java.lang.String) ref;
    } else {
      com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
      java.lang.String s = bs.toStringUtf8();
      attributionToken_ = s;
      return s;
    }
  }
  /**
   *
   *
   * <pre>
   * A unique search token. This should be included in the
   * [UserEvent][google.cloud.discoveryengine.v1beta.UserEvent] logs resulting
   * from this search, which enables accurate attribution of search model
   * performance.
   * </pre>
   *
   * <code>string attribution_token = 4;</code>
   *
   * @return The bytes for attributionToken.
   */
  @java.lang.Override
  public com.google.protobuf.ByteString getAttributionTokenBytes() {
    java.lang.Object ref = attributionToken_;
    if (ref instanceof java.lang.String) {
      com.google.protobuf.ByteString b =
          com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
      attributionToken_ = b;
      return b;
    } else {
      return (com.google.protobuf.ByteString) ref;
    }
  }

  public static final int NEXT_PAGE_TOKEN_FIELD_NUMBER = 5;

  @SuppressWarnings("serial")
  private volatile java.lang.Object nextPageToken_ = "";
  /**
   *
   *
   * <pre>
   * A token that can be sent as
   * [SearchRequest.page_token][google.cloud.discoveryengine.v1beta.SearchRequest.page_token]
   * to retrieve the next page. If this field is omitted, there are no
   * subsequent pages.
   * </pre>
   *
   * <code>string next_page_token = 5;</code>
   *
   * @return The nextPageToken.
   */
  @java.lang.Override
  public java.lang.String getNextPageToken() {
    java.lang.Object ref = nextPageToken_;
    if (ref instanceof java.lang.String) {
      return (java.lang.String) ref;
    } else {
      com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
      java.lang.String s = bs.toStringUtf8();
      nextPageToken_ = s;
      return s;
    }
  }
  /**
   *
   *
   * <pre>
   * A token that can be sent as
   * [SearchRequest.page_token][google.cloud.discoveryengine.v1beta.SearchRequest.page_token]
   * to retrieve the next page. If this field is omitted, there are no
   * subsequent pages.
   * </pre>
   *
   * <code>string next_page_token = 5;</code>
   *
   * @return The bytes for nextPageToken.
   */
  @java.lang.Override
  public com.google.protobuf.ByteString getNextPageTokenBytes() {
    java.lang.Object ref = nextPageToken_;
    if (ref instanceof java.lang.String) {
      com.google.protobuf.ByteString b =
          com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
      nextPageToken_ = b;
      return b;
    } else {
      return (com.google.protobuf.ByteString) ref;
    }
  }

  public static final int CORRECTED_QUERY_FIELD_NUMBER = 7;

  @SuppressWarnings("serial")
  private volatile java.lang.Object correctedQuery_ = "";
  /**
   *
   *
   * <pre>
   * Contains the spell corrected query, if found. If the spell correction type
   * is AUTOMATIC, then the search results are based on corrected_query.
   * Otherwise the original query is used for search.
   * </pre>
   *
   * <code>string corrected_query = 7;</code>
   *
   * @return The correctedQuery.
   */
  @java.lang.Override
  public java.lang.String getCorrectedQuery() {
    java.lang.Object ref = correctedQuery_;
    if (ref instanceof java.lang.String) {
      return (java.lang.String) ref;
    } else {
      com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
      java.lang.String s = bs.toStringUtf8();
      correctedQuery_ = s;
      return s;
    }
  }
  /**
   *
   *
   * <pre>
   * Contains the spell corrected query, if found. If the spell correction type
   * is AUTOMATIC, then the search results are based on corrected_query.
   * Otherwise the original query is used for search.
   * </pre>
   *
   * <code>string corrected_query = 7;</code>
   *
   * @return The bytes for correctedQuery.
   */
  @java.lang.Override
  public com.google.protobuf.ByteString getCorrectedQueryBytes() {
    java.lang.Object ref = correctedQuery_;
    if (ref instanceof java.lang.String) {
      com.google.protobuf.ByteString b =
          com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
      correctedQuery_ = b;
      return b;
    } else {
      return (com.google.protobuf.ByteString) ref;
    }
  }

  public static final int SUMMARY_FIELD_NUMBER = 9;
  private com.google.cloud.discoveryengine.v1beta.SearchResponse.Summary summary_;
  /**
   *
   *
   * <pre>
   * A summary as part of the search results.
   * This field is only returned if
   * [SearchRequest.ContentSearchSpec.summary_spec][google.cloud.discoveryengine.v1beta.SearchRequest.ContentSearchSpec.summary_spec]
   * is set.
   * </pre>
   *
   * <code>.google.cloud.discoveryengine.v1beta.SearchResponse.Summary summary = 9;</code>
   *
   * @return Whether the summary field is set.
   */
  @java.lang.Override
  public boolean hasSummary() {
    return summary_ != null;
  }
  /**
   *
   *
   * <pre>
   * A summary as part of the search results.
   * This field is only returned if
   * [SearchRequest.ContentSearchSpec.summary_spec][google.cloud.discoveryengine.v1beta.SearchRequest.ContentSearchSpec.summary_spec]
   * is set.
   * </pre>
   *
   * <code>.google.cloud.discoveryengine.v1beta.SearchResponse.Summary summary = 9;</code>
   *
   * @return The summary.
   */
  @java.lang.Override
  public com.google.cloud.discoveryengine.v1beta.SearchResponse.Summary getSummary() {
    return summary_ == null
        ? com.google.cloud.discoveryengine.v1beta.SearchResponse.Summary.getDefaultInstance()
        : summary_;
  }
  /**
   *
   *
   * <pre>
   * A summary as part of the search results.
   * This field is only returned if
   * [SearchRequest.ContentSearchSpec.summary_spec][google.cloud.discoveryengine.v1beta.SearchRequest.ContentSearchSpec.summary_spec]
   * is set.
   * </pre>
   *
   * <code>.google.cloud.discoveryengine.v1beta.SearchResponse.Summary summary = 9;</code>
   */
  @java.lang.Override
  public com.google.cloud.discoveryengine.v1beta.SearchResponse.SummaryOrBuilder
      getSummaryOrBuilder() {
    return summary_ == null
        ? com.google.cloud.discoveryengine.v1beta.SearchResponse.Summary.getDefaultInstance()
        : summary_;
  }

  public static final int APPLIED_CONTROLS_FIELD_NUMBER = 10;

  @SuppressWarnings("serial")
  private com.google.protobuf.LazyStringList appliedControls_;
  /**
   *
   *
   * <pre>
   * Controls applied as part of the Control service.
   * </pre>
   *
   * <code>repeated string applied_controls = 10;</code>
   *
   * @return A list containing the appliedControls.
   */
  public com.google.protobuf.ProtocolStringList getAppliedControlsList() {
    return appliedControls_;
  }
  /**
   *
   *
   * <pre>
   * Controls applied as part of the Control service.
   * </pre>
   *
   * <code>repeated string applied_controls = 10;</code>
   *
   * @return The count of appliedControls.
   */
  public int getAppliedControlsCount() {
    return appliedControls_.size();
  }
  /**
   *
   *
   * <pre>
   * Controls applied as part of the Control service.
   * </pre>
   *
   * <code>repeated string applied_controls = 10;</code>
   *
   * @param index The index of the element to return.
   * @return The appliedControls at the given index.
   */
  public java.lang.String getAppliedControls(int index) {
    return appliedControls_.get(index);
  }
  /**
   *
   *
   * <pre>
   * Controls applied as part of the Control service.
   * </pre>
   *
   * <code>repeated string applied_controls = 10;</code>
   *
   * @param index The index of the value to return.
   * @return The bytes of the appliedControls at the given index.
   */
  public com.google.protobuf.ByteString getAppliedControlsBytes(int index) {
    return appliedControls_.getByteString(index);
  }

  private byte memoizedIsInitialized = -1;

  @java.lang.Override
  public final boolean isInitialized() {
    byte isInitialized = memoizedIsInitialized;
    if (isInitialized == 1) return true;
    if (isInitialized == 0) return false;

    memoizedIsInitialized = 1;
    return true;
  }

  @java.lang.Override
  public void writeTo(com.google.protobuf.CodedOutputStream output) throws java.io.IOException {
    for (int i = 0; i < results_.size(); i++) {
      output.writeMessage(1, results_.get(i));
    }
    for (int i = 0; i < facets_.size(); i++) {
      output.writeMessage(2, facets_.get(i));
    }
    if (totalSize_ != 0) {
      output.writeInt32(3, totalSize_);
    }
    if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(attributionToken_)) {
      com.google.protobuf.GeneratedMessageV3.writeString(output, 4, attributionToken_);
    }
    if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(nextPageToken_)) {
      com.google.protobuf.GeneratedMessageV3.writeString(output, 5, nextPageToken_);
    }
    if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(correctedQuery_)) {
      com.google.protobuf.GeneratedMessageV3.writeString(output, 7, correctedQuery_);
    }
    if (guidedSearchResult_ != null) {
      output.writeMessage(8, getGuidedSearchResult());
    }
    if (summary_ != null) {
      output.writeMessage(9, getSummary());
    }
    for (int i = 0; i < appliedControls_.size(); i++) {
      com.google.protobuf.GeneratedMessageV3.writeString(output, 10, appliedControls_.getRaw(i));
    }
    getUnknownFields().writeTo(output);
  }

  @java.lang.Override
  public int getSerializedSize() {
    int size = memoizedSize;
    if (size != -1) return size;

    size = 0;
    for (int i = 0; i < results_.size(); i++) {
      size += com.google.protobuf.CodedOutputStream.computeMessageSize(1, results_.get(i));
    }
    for (int i = 0; i < facets_.size(); i++) {
      size += com.google.protobuf.CodedOutputStream.computeMessageSize(2, facets_.get(i));
    }
    if (totalSize_ != 0) {
      size += com.google.protobuf.CodedOutputStream.computeInt32Size(3, totalSize_);
    }
    if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(attributionToken_)) {
      size += com.google.protobuf.GeneratedMessageV3.computeStringSize(4, attributionToken_);
    }
    if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(nextPageToken_)) {
      size += com.google.protobuf.GeneratedMessageV3.computeStringSize(5, nextPageToken_);
    }
    if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(correctedQuery_)) {
      size += com.google.protobuf.GeneratedMessageV3.computeStringSize(7, correctedQuery_);
    }
    if (guidedSearchResult_ != null) {
      size += com.google.protobuf.CodedOutputStream.computeMessageSize(8, getGuidedSearchResult());
    }
    if (summary_ != null) {
      size += com.google.protobuf.CodedOutputStream.computeMessageSize(9, getSummary());
    }
    {
      int dataSize = 0;
      for (int i = 0; i < appliedControls_.size(); i++) {
        dataSize += computeStringSizeNoTag(appliedControls_.getRaw(i));
      }
      size += dataSize;
      size += 1 * getAppliedControlsList().size();
    }
    size += getUnknownFields().getSerializedSize();
    memoizedSize = size;
    return size;
  }

  @java.lang.Override
  public boolean equals(final java.lang.Object obj) {
    if (obj == this) {
      return true;
    }
    if (!(obj instanceof com.google.cloud.discoveryengine.v1beta.SearchResponse)) {
      return super.equals(obj);
    }
    com.google.cloud.discoveryengine.v1beta.SearchResponse other =
        (com.google.cloud.discoveryengine.v1beta.SearchResponse) obj;

    if (!getResultsList().equals(other.getResultsList())) return false;
    if (!getFacetsList().equals(other.getFacetsList())) return false;
    if (hasGuidedSearchResult() != other.hasGuidedSearchResult()) return false;
    if (hasGuidedSearchResult()) {
      if (!getGuidedSearchResult().equals(other.getGuidedSearchResult())) return false;
    }
    if (getTotalSize() != other.getTotalSize()) return false;
    if (!getAttributionToken().equals(other.getAttributionToken())) return false;
    if (!getNextPageToken().equals(other.getNextPageToken())) return false;
    if (!getCorrectedQuery().equals(other.getCorrectedQuery())) return false;
    if (hasSummary() != other.hasSummary()) return false;
    if (hasSummary()) {
      if (!getSummary().equals(other.getSummary())) return false;
    }
    if (!getAppliedControlsList().equals(other.getAppliedControlsList())) return false;
    if (!getUnknownFields().equals(other.getUnknownFields())) return false;
    return true;
  }

  @java.lang.Override
  public int hashCode() {
    if (memoizedHashCode != 0) {
      return memoizedHashCode;
    }
    int hash = 41;
    hash = (19 * hash) + getDescriptor().hashCode();
    if (getResultsCount() > 0) {
      hash = (37 * hash) + RESULTS_FIELD_NUMBER;
      hash = (53 * hash) + getResultsList().hashCode();
    }
    if (getFacetsCount() > 0) {
      hash = (37 * hash) + FACETS_FIELD_NUMBER;
      hash = (53 * hash) + getFacetsList().hashCode();
    }
    if (hasGuidedSearchResult()) {
      hash = (37 * hash) + GUIDED_SEARCH_RESULT_FIELD_NUMBER;
      hash = (53 * hash) + getGuidedSearchResult().hashCode();
    }
    hash = (37 * hash) + TOTAL_SIZE_FIELD_NUMBER;
    hash = (53 * hash) + getTotalSize();
    hash = (37 * hash) + ATTRIBUTION_TOKEN_FIELD_NUMBER;
    hash = (53 * hash) + getAttributionToken().hashCode();
    hash = (37 * hash) + NEXT_PAGE_TOKEN_FIELD_NUMBER;
    hash = (53 * hash) + getNextPageToken().hashCode();
    hash = (37 * hash) + CORRECTED_QUERY_FIELD_NUMBER;
    hash = (53 * hash) + getCorrectedQuery().hashCode();
    if (hasSummary()) {
      hash = (37 * hash) + SUMMARY_FIELD_NUMBER;
      hash = (53 * hash) + getSummary().hashCode();
    }
    if (getAppliedControlsCount() > 0) {
      hash = (37 * hash) + APPLIED_CONTROLS_FIELD_NUMBER;
      hash = (53 * hash) + getAppliedControlsList().hashCode();
    }
    hash = (29 * hash) + getUnknownFields().hashCode();
    memoizedHashCode = hash;
    return hash;
  }

  public static com.google.cloud.discoveryengine.v1beta.SearchResponse parseFrom(
      java.nio.ByteBuffer data) throws com.google.protobuf.InvalidProtocolBufferException {
    return PARSER.parseFrom(data);
  }

  public static com.google.cloud.discoveryengine.v1beta.SearchResponse parseFrom(
      java.nio.ByteBuffer data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
      throws com.google.protobuf.InvalidProtocolBufferException {
    return PARSER.parseFrom(data, extensionRegistry);
  }

  public static com.google.cloud.discoveryengine.v1beta.SearchResponse parseFrom(
      com.google.protobuf.ByteString data)
      throws com.google.protobuf.InvalidProtocolBufferException {
    return PARSER.parseFrom(data);
  }

  public static com.google.cloud.discoveryengine.v1beta.SearchResponse parseFrom(
      com.google.protobuf.ByteString data,
      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
      throws com.google.protobuf.InvalidProtocolBufferException {
    return PARSER.parseFrom(data, extensionRegistry);
  }

  public static com.google.cloud.discoveryengine.v1beta.SearchResponse parseFrom(byte[] data)
      throws com.google.protobuf.InvalidProtocolBufferException {
    return PARSER.parseFrom(data);
  }

  public static com.google.cloud.discoveryengine.v1beta.SearchResponse parseFrom(
      byte[] data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
      throws com.google.protobuf.InvalidProtocolBufferException {
    return PARSER.parseFrom(data, extensionRegistry);
  }

  public static com.google.cloud.discoveryengine.v1beta.SearchResponse parseFrom(
      java.io.InputStream input) throws java.io.IOException {
    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
  }

  public static com.google.cloud.discoveryengine.v1beta.SearchResponse parseFrom(
      java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
      throws java.io.IOException {
    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
        PARSER, input, extensionRegistry);
  }

  public static com.google.cloud.discoveryengine.v1beta.SearchResponse parseDelimitedFrom(
      java.io.InputStream input) throws java.io.IOException {
    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(PARSER, input);
  }

  public static com.google.cloud.discoveryengine.v1beta.SearchResponse parseDelimitedFrom(
      java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
      throws java.io.IOException {
    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(
        PARSER, input, extensionRegistry);
  }

  public static com.google.cloud.discoveryengine.v1beta.SearchResponse parseFrom(
      com.google.protobuf.CodedInputStream input) throws java.io.IOException {
    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
  }

  public static com.google.cloud.discoveryengine.v1beta.SearchResponse parseFrom(
      com.google.protobuf.CodedInputStream input,
      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
      throws java.io.IOException {
    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
        PARSER, input, extensionRegistry);
  }

  @java.lang.Override
  public Builder newBuilderForType() {
    return newBuilder();
  }

  public static Builder newBuilder() {
    return DEFAULT_INSTANCE.toBuilder();
  }

  public static Builder newBuilder(
      com.google.cloud.discoveryengine.v1beta.SearchResponse prototype) {
    return DEFAULT_INSTANCE.toBuilder().mergeFrom(prototype);
  }

  @java.lang.Override
  public Builder toBuilder() {
    return this == DEFAULT_INSTANCE ? new Builder() : new Builder().mergeFrom(this);
  }

  @java.lang.Override
  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
    Builder builder = new Builder(parent);
    return builder;
  }
  /**
   *
   *
   * <pre>
   * Response message for
   * [SearchService.Search][google.cloud.discoveryengine.v1beta.SearchService.Search]
   * method.
   * </pre>
   *
   * Protobuf type {@code google.cloud.discoveryengine.v1beta.SearchResponse}
   */
  public static final class Builder extends com.google.protobuf.GeneratedMessageV3.Builder<Builder>
      implements
      // @@protoc_insertion_point(builder_implements:google.cloud.discoveryengine.v1beta.SearchResponse)
      com.google.cloud.discoveryengine.v1beta.SearchResponseOrBuilder {
    public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
      return com.google.cloud.discoveryengine.v1beta.SearchServiceProto
          .internal_static_google_cloud_discoveryengine_v1beta_SearchResponse_descriptor;
    }

    @java.lang.Override
    protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
        internalGetFieldAccessorTable() {
      return com.google.cloud.discoveryengine.v1beta.SearchServiceProto
          .internal_static_google_cloud_discoveryengine_v1beta_SearchResponse_fieldAccessorTable
          .ensureFieldAccessorsInitialized(
              com.google.cloud.discoveryengine.v1beta.SearchResponse.class,
              com.google.cloud.discoveryengine.v1beta.SearchResponse.Builder.class);
    }

    // Construct using com.google.cloud.discoveryengine.v1beta.SearchResponse.newBuilder()
    private Builder() {}

    private Builder(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
      super(parent);
    }

    @java.lang.Override
    public Builder clear() {
      super.clear();
      bitField0_ = 0;
      if (resultsBuilder_ == null) {
        results_ = java.util.Collections.emptyList();
      } else {
        results_ = null;
        resultsBuilder_.clear();
      }
      bitField0_ = (bitField0_ & ~0x00000001);
      if (facetsBuilder_ == null) {
        facets_ = java.util.Collections.emptyList();
      } else {
        facets_ = null;
        facetsBuilder_.clear();
      }
      bitField0_ = (bitField0_ & ~0x00000002);
      guidedSearchResult_ = null;
      if (guidedSearchResultBuilder_ != null) {
        guidedSearchResultBuilder_.dispose();
        guidedSearchResultBuilder_ = null;
      }
      totalSize_ = 0;
      attributionToken_ = "";
      nextPageToken_ = "";
      correctedQuery_ = "";
      summary_ = null;
      if (summaryBuilder_ != null) {
        summaryBuilder_.dispose();
        summaryBuilder_ = null;
      }
      appliedControls_ = com.google.protobuf.LazyStringArrayList.EMPTY;
      bitField0_ = (bitField0_ & ~0x00000100);
      return this;
    }

    @java.lang.Override
    public com.google.protobuf.Descriptors.Descriptor getDescriptorForType() {
      return com.google.cloud.discoveryengine.v1beta.SearchServiceProto
          .internal_static_google_cloud_discoveryengine_v1beta_SearchResponse_descriptor;
    }

    @java.lang.Override
    public com.google.cloud.discoveryengine.v1beta.SearchResponse getDefaultInstanceForType() {
      return com.google.cloud.discoveryengine.v1beta.SearchResponse.getDefaultInstance();
    }

    @java.lang.Override
    public com.google.cloud.discoveryengine.v1beta.SearchResponse build() {
      com.google.cloud.discoveryengine.v1beta.SearchResponse result = buildPartial();
      if (!result.isInitialized()) {
        throw newUninitializedMessageException(result);
      }
      return result;
    }

    @java.lang.Override
    public com.google.cloud.discoveryengine.v1beta.SearchResponse buildPartial() {
      com.google.cloud.discoveryengine.v1beta.SearchResponse result =
          new com.google.cloud.discoveryengine.v1beta.SearchResponse(this);
      buildPartialRepeatedFields(result);
      if (bitField0_ != 0) {
        buildPartial0(result);
      }
      onBuilt();
      return result;
    }

    private void buildPartialRepeatedFields(
        com.google.cloud.discoveryengine.v1beta.SearchResponse result) {
      if (resultsBuilder_ == null) {
        if (((bitField0_ & 0x00000001) != 0)) {
          results_ = java.util.Collections.unmodifiableList(results_);
          bitField0_ = (bitField0_ & ~0x00000001);
        }
        result.results_ = results_;
      } else {
        result.results_ = resultsBuilder_.build();
      }
      if (facetsBuilder_ == null) {
        if (((bitField0_ & 0x00000002) != 0)) {
          facets_ = java.util.Collections.unmodifiableList(facets_);
          bitField0_ = (bitField0_ & ~0x00000002);
        }
        result.facets_ = facets_;
      } else {
        result.facets_ = facetsBuilder_.build();
      }
      if (((bitField0_ & 0x00000100) != 0)) {
        appliedControls_ = appliedControls_.getUnmodifiableView();
        bitField0_ = (bitField0_ & ~0x00000100);
      }
      result.appliedControls_ = appliedControls_;
    }

    private void buildPartial0(com.google.cloud.discoveryengine.v1beta.SearchResponse result) {
      int from_bitField0_ = bitField0_;
      if (((from_bitField0_ & 0x00000004) != 0)) {
        result.guidedSearchResult_ =
            guidedSearchResultBuilder_ == null
                ? guidedSearchResult_
                : guidedSearchResultBuilder_.build();
      }
      if (((from_bitField0_ & 0x00000008) != 0)) {
        result.totalSize_ = totalSize_;
      }
      if (((from_bitField0_ & 0x00000010) != 0)) {
        result.attributionToken_ = attributionToken_;
      }
      if (((from_bitField0_ & 0x00000020) != 0)) {
        result.nextPageToken_ = nextPageToken_;
      }
      if (((from_bitField0_ & 0x00000040) != 0)) {
        result.correctedQuery_ = correctedQuery_;
      }
      if (((from_bitField0_ & 0x00000080) != 0)) {
        result.summary_ = summaryBuilder_ == null ? summary_ : summaryBuilder_.build();
      }
    }

    @java.lang.Override
    public Builder clone() {
      return super.clone();
    }

    @java.lang.Override
    public Builder setField(
        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
      return super.setField(field, value);
    }

    @java.lang.Override
    public Builder clearField(com.google.protobuf.Descriptors.FieldDescriptor field) {
      return super.clearField(field);
    }

    @java.lang.Override
    public Builder clearOneof(com.google.protobuf.Descriptors.OneofDescriptor oneof) {
      return super.clearOneof(oneof);
    }

    @java.lang.Override
    public Builder setRepeatedField(
        com.google.protobuf.Descriptors.FieldDescriptor field, int index, java.lang.Object value) {
      return super.setRepeatedField(field, index, value);
    }

    @java.lang.Override
    public Builder addRepeatedField(
        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
      return super.addRepeatedField(field, value);
    }

    @java.lang.Override
    public Builder mergeFrom(com.google.protobuf.Message other) {
      if (other instanceof com.google.cloud.discoveryengine.v1beta.SearchResponse) {
        return mergeFrom((com.google.cloud.discoveryengine.v1beta.SearchResponse) other);
      } else {
        super.mergeFrom(other);
        return this;
      }
    }

    public Builder mergeFrom(com.google.cloud.discoveryengine.v1beta.SearchResponse other) {
      if (other == com.google.cloud.discoveryengine.v1beta.SearchResponse.getDefaultInstance())
        return this;
      if (resultsBuilder_ == null) {
        if (!other.results_.isEmpty()) {
          if (results_.isEmpty()) {
            results_ = other.results_;
            bitField0_ = (bitField0_ & ~0x00000001);
          } else {
            ensureResultsIsMutable();
            results_.addAll(other.results_);
          }
          onChanged();
        }
      } else {
        if (!other.results_.isEmpty()) {
          if (resultsBuilder_.isEmpty()) {
            resultsBuilder_.dispose();
            resultsBuilder_ = null;
            results_ = other.results_;
            bitField0_ = (bitField0_ & ~0x00000001);
            resultsBuilder_ =
                com.google.protobuf.GeneratedMessageV3.alwaysUseFieldBuilders
                    ? getResultsFieldBuilder()
                    : null;
          } else {
            resultsBuilder_.addAllMessages(other.results_);
          }
        }
      }
      if (facetsBuilder_ == null) {
        if (!other.facets_.isEmpty()) {
          if (facets_.isEmpty()) {
            facets_ = other.facets_;
            bitField0_ = (bitField0_ & ~0x00000002);
          } else {
            ensureFacetsIsMutable();
            facets_.addAll(other.facets_);
          }
          onChanged();
        }
      } else {
        if (!other.facets_.isEmpty()) {
          if (facetsBuilder_.isEmpty()) {
            facetsBuilder_.dispose();
            facetsBuilder_ = null;
            facets_ = other.facets_;
            bitField0_ = (bitField0_ & ~0x00000002);
            facetsBuilder_ =
                com.google.protobuf.GeneratedMessageV3.alwaysUseFieldBuilders
                    ? getFacetsFieldBuilder()
                    : null;
          } else {
            facetsBuilder_.addAllMessages(other.facets_);
          }
        }
      }
      if (other.hasGuidedSearchResult()) {
        mergeGuidedSearchResult(other.getGuidedSearchResult());
      }
      if (other.getTotalSize() != 0) {
        setTotalSize(other.getTotalSize());
      }
      if (!other.getAttributionToken().isEmpty()) {
        attributionToken_ = other.attributionToken_;
        bitField0_ |= 0x00000010;
        onChanged();
      }
      if (!other.getNextPageToken().isEmpty()) {
        nextPageToken_ = other.nextPageToken_;
        bitField0_ |= 0x00000020;
        onChanged();
      }
      if (!other.getCorrectedQuery().isEmpty()) {
        correctedQuery_ = other.correctedQuery_;
        bitField0_ |= 0x00000040;
        onChanged();
      }
      if (other.hasSummary()) {
        mergeSummary(other.getSummary());
      }
      if (!other.appliedControls_.isEmpty()) {
        if (appliedControls_.isEmpty()) {
          appliedControls_ = other.appliedControls_;
          bitField0_ = (bitField0_ & ~0x00000100);
        } else {
          ensureAppliedControlsIsMutable();
          appliedControls_.addAll(other.appliedControls_);
        }
        onChanged();
      }
      this.mergeUnknownFields(other.getUnknownFields());
      onChanged();
      return this;
    }

    @java.lang.Override
    public final boolean isInitialized() {
      return true;
    }

    @java.lang.Override
    public Builder mergeFrom(
        com.google.protobuf.CodedInputStream input,
        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
        throws java.io.IOException {
      if (extensionRegistry == null) {
        throw new java.lang.NullPointerException();
      }
      try {
        boolean done = false;
        while (!done) {
          int tag = input.readTag();
          switch (tag) {
            case 0:
              done = true;
              break;
            case 10:
              {
                com.google.cloud.discoveryengine.v1beta.SearchResponse.SearchResult m =
                    input.readMessage(
                        com.google.cloud.discoveryengine.v1beta.SearchResponse.SearchResult
                            .parser(),
                        extensionRegistry);
                if (resultsBuilder_ == null) {
                  ensureResultsIsMutable();
                  results_.add(m);
                } else {
                  resultsBuilder_.addMessage(m);
                }
                break;
              } // case 10
            case 18:
              {
                com.google.cloud.discoveryengine.v1beta.SearchResponse.Facet m =
                    input.readMessage(
                        com.google.cloud.discoveryengine.v1beta.SearchResponse.Facet.parser(),
                        extensionRegistry);
                if (facetsBuilder_ == null) {
                  ensureFacetsIsMutable();
                  facets_.add(m);
                } else {
                  facetsBuilder_.addMessage(m);
                }
                break;
              } // case 18
            case 24:
              {
                totalSize_ = input.readInt32();
                bitField0_ |= 0x00000008;
                break;
              } // case 24
            case 34:
              {
                attributionToken_ = input.readStringRequireUtf8();
                bitField0_ |= 0x00000010;
                break;
              } // case 34
            case 42:
              {
                nextPageToken_ = input.readStringRequireUtf8();
                bitField0_ |= 0x00000020;
                break;
              } // case 42
            case 58:
              {
                correctedQuery_ = input.readStringRequireUtf8();
                bitField0_ |= 0x00000040;
                break;
              } // case 58
            case 66:
              {
                input.readMessage(
                    getGuidedSearchResultFieldBuilder().getBuilder(), extensionRegistry);
                bitField0_ |= 0x00000004;
                break;
              } // case 66
            case 74:
              {
                input.readMessage(getSummaryFieldBuilder().getBuilder(), extensionRegistry);
                bitField0_ |= 0x00000080;
                break;
              } // case 74
            case 82:
              {
                java.lang.String s = input.readStringRequireUtf8();
                ensureAppliedControlsIsMutable();
                appliedControls_.add(s);
                break;
              } // case 82
            default:
              {
                if (!super.parseUnknownField(input, extensionRegistry, tag)) {
                  done = true; // was an endgroup tag
                }
                break;
              } // default:
          } // switch (tag)
        } // while (!done)
      } catch (com.google.protobuf.InvalidProtocolBufferException e) {
        throw e.unwrapIOException();
      } finally {
        onChanged();
      } // finally
      return this;
    }

    private int bitField0_;

    private java.util.List<com.google.cloud.discoveryengine.v1beta.SearchResponse.SearchResult>
        results_ = java.util.Collections.emptyList();

    private void ensureResultsIsMutable() {
      if (!((bitField0_ & 0x00000001) != 0)) {
        results_ =
            new java.util.ArrayList<
                com.google.cloud.discoveryengine.v1beta.SearchResponse.SearchResult>(results_);
        bitField0_ |= 0x00000001;
      }
    }

    private com.google.protobuf.RepeatedFieldBuilderV3<
            com.google.cloud.discoveryengine.v1beta.SearchResponse.SearchResult,
            com.google.cloud.discoveryengine.v1beta.SearchResponse.SearchResult.Builder,
            com.google.cloud.discoveryengine.v1beta.SearchResponse.SearchResultOrBuilder>
        resultsBuilder_;

    /**
     *
     *
     * <pre>
     * A list of matched documents. The order represents the ranking.
     * </pre>
     *
     * <code>repeated .google.cloud.discoveryengine.v1beta.SearchResponse.SearchResult results = 1;
     * </code>
     */
    public java.util.List<com.google.cloud.discoveryengine.v1beta.SearchResponse.SearchResult>
        getResultsList() {
      if (resultsBuilder_ == null) {
        return java.util.Collections.unmodifiableList(results_);
      } else {
        return resultsBuilder_.getMessageList();
      }
    }
    /**
     *
     *
     * <pre>
     * A list of matched documents. The order represents the ranking.
     * </pre>
     *
     * <code>repeated .google.cloud.discoveryengine.v1beta.SearchResponse.SearchResult results = 1;
     * </code>
     */
    public int getResultsCount() {
      if (resultsBuilder_ == null) {
        return results_.size();
      } else {
        return resultsBuilder_.getCount();
      }
    }
    /**
     *
     *
     * <pre>
     * A list of matched documents. The order represents the ranking.
     * </pre>
     *
     * <code>repeated .google.cloud.discoveryengine.v1beta.SearchResponse.SearchResult results = 1;
     * </code>
     */
    public com.google.cloud.discoveryengine.v1beta.SearchResponse.SearchResult getResults(
        int index) {
      if (resultsBuilder_ == null) {
        return results_.get(index);
      } else {
        return resultsBuilder_.getMessage(index);
      }
    }
    /**
     *
     *
     * <pre>
     * A list of matched documents. The order represents the ranking.
     * </pre>
     *
     * <code>repeated .google.cloud.discoveryengine.v1beta.SearchResponse.SearchResult results = 1;
     * </code>
     */
    public Builder setResults(
        int index, com.google.cloud.discoveryengine.v1beta.SearchResponse.SearchResult value) {
      if (resultsBuilder_ == null) {
        if (value == null) {
          throw new NullPointerException();
        }
        ensureResultsIsMutable();
        results_.set(index, value);
        onChanged();
      } else {
        resultsBuilder_.setMessage(index, value);
      }
      return this;
    }
    /**
     *
     *
     * <pre>
     * A list of matched documents. The order represents the ranking.
     * </pre>
     *
     * <code>repeated .google.cloud.discoveryengine.v1beta.SearchResponse.SearchResult results = 1;
     * </code>
     */
    public Builder setResults(
        int index,
        com.google.cloud.discoveryengine.v1beta.SearchResponse.SearchResult.Builder
            builderForValue) {
      if (resultsBuilder_ == null) {
        ensureResultsIsMutable();
        results_.set(index, builderForValue.build());
        onChanged();
      } else {
        resultsBuilder_.setMessage(index, builderForValue.build());
      }
      return this;
    }
    /**
     *
     *
     * <pre>
     * A list of matched documents. The order represents the ranking.
     * </pre>
     *
     * <code>repeated .google.cloud.discoveryengine.v1beta.SearchResponse.SearchResult results = 1;
     * </code>
     */
    public Builder addResults(
        com.google.cloud.discoveryengine.v1beta.SearchResponse.SearchResult value) {
      if (resultsBuilder_ == null) {
        if (value == null) {
          throw new NullPointerException();
        }
        ensureResultsIsMutable();
        results_.add(value);
        onChanged();
      } else {
        resultsBuilder_.addMessage(value);
      }
      return this;
    }
    /**
     *
     *
     * <pre>
     * A list of matched documents. The order represents the ranking.
     * </pre>
     *
     * <code>repeated .google.cloud.discoveryengine.v1beta.SearchResponse.SearchResult results = 1;
     * </code>
     */
    public Builder addResults(
        int index, com.google.cloud.discoveryengine.v1beta.SearchResponse.SearchResult value) {
      if (resultsBuilder_ == null) {
        if (value == null) {
          throw new NullPointerException();
        }
        ensureResultsIsMutable();
        results_.add(index, value);
        onChanged();
      } else {
        resultsBuilder_.addMessage(index, value);
      }
      return this;
    }
    /**
     *
     *
     * <pre>
     * A list of matched documents. The order represents the ranking.
     * </pre>
     *
     * <code>repeated .google.cloud.discoveryengine.v1beta.SearchResponse.SearchResult results = 1;
     * </code>
     */
    public Builder addResults(
        com.google.cloud.discoveryengine.v1beta.SearchResponse.SearchResult.Builder
            builderForValue) {
      if (resultsBuilder_ == null) {
        ensureResultsIsMutable();
        results_.add(builderForValue.build());
        onChanged();
      } else {
        resultsBuilder_.addMessage(builderForValue.build());
      }
      return this;
    }
    /**
     *
     *
     * <pre>
     * A list of matched documents. The order represents the ranking.
     * </pre>
     *
     * <code>repeated .google.cloud.discoveryengine.v1beta.SearchResponse.SearchResult results = 1;
     * </code>
     */
    public Builder addResults(
        int index,
        com.google.cloud.discoveryengine.v1beta.SearchResponse.SearchResult.Builder
            builderForValue) {
      if (resultsBuilder_ == null) {
        ensureResultsIsMutable();
        results_.add(index, builderForValue.build());
        onChanged();
      } else {
        resultsBuilder_.addMessage(index, builderForValue.build());
      }
      return this;
    }
    /**
     *
     *
     * <pre>
     * A list of matched documents. The order represents the ranking.
     * </pre>
     *
     * <code>repeated .google.cloud.discoveryengine.v1beta.SearchResponse.SearchResult results = 1;
     * </code>
     */
    public Builder addAllResults(
        java.lang.Iterable<
                ? extends com.google.cloud.discoveryengine.v1beta.SearchResponse.SearchResult>
            values) {
      if (resultsBuilder_ == null) {
        ensureResultsIsMutable();
        com.google.protobuf.AbstractMessageLite.Builder.addAll(values, results_);
        onChanged();
      } else {
        resultsBuilder_.addAllMessages(values);
      }
      return this;
    }
    /**
     *
     *
     * <pre>
     * A list of matched documents. The order represents the ranking.
     * </pre>
     *
     * <code>repeated .google.cloud.discoveryengine.v1beta.SearchResponse.SearchResult results = 1;
     * </code>
     */
    public Builder clearResults() {
      if (resultsBuilder_ == null) {
        results_ = java.util.Collections.emptyList();
        bitField0_ = (bitField0_ & ~0x00000001);
        onChanged();
      } else {
        resultsBuilder_.clear();
      }
      return this;
    }
    /**
     *
     *
     * <pre>
     * A list of matched documents. The order represents the ranking.
     * </pre>
     *
     * <code>repeated .google.cloud.discoveryengine.v1beta.SearchResponse.SearchResult results = 1;
     * </code>
     */
    public Builder removeResults(int index) {
      if (resultsBuilder_ == null) {
        ensureResultsIsMutable();
        results_.remove(index);
        onChanged();
      } else {
        resultsBuilder_.remove(index);
      }
      return this;
    }
    /**
     *
     *
     * <pre>
     * A list of matched documents. The order represents the ranking.
     * </pre>
     *
     * <code>repeated .google.cloud.discoveryengine.v1beta.SearchResponse.SearchResult results = 1;
     * </code>
     */
    public com.google.cloud.discoveryengine.v1beta.SearchResponse.SearchResult.Builder
        getResultsBuilder(int index) {
      return getResultsFieldBuilder().getBuilder(index);
    }
    /**
     *
     *
     * <pre>
     * A list of matched documents. The order represents the ranking.
     * </pre>
     *
     * <code>repeated .google.cloud.discoveryengine.v1beta.SearchResponse.SearchResult results = 1;
     * </code>
     */
    public com.google.cloud.discoveryengine.v1beta.SearchResponse.SearchResultOrBuilder
        getResultsOrBuilder(int index) {
      if (resultsBuilder_ == null) {
        return results_.get(index);
      } else {
        return resultsBuilder_.getMessageOrBuilder(index);
      }
    }
    /**
     *
     *
     * <pre>
     * A list of matched documents. The order represents the ranking.
     * </pre>
     *
     * <code>repeated .google.cloud.discoveryengine.v1beta.SearchResponse.SearchResult results = 1;
     * </code>
     */
    public java.util.List<
            ? extends com.google.cloud.discoveryengine.v1beta.SearchResponse.SearchResultOrBuilder>
        getResultsOrBuilderList() {
      if (resultsBuilder_ != null) {
        return resultsBuilder_.getMessageOrBuilderList();
      } else {
        return java.util.Collections.unmodifiableList(results_);
      }
    }
    /**
     *
     *
     * <pre>
     * A list of matched documents. The order represents the ranking.
     * </pre>
     *
     * <code>repeated .google.cloud.discoveryengine.v1beta.SearchResponse.SearchResult results = 1;
     * </code>
     */
    public com.google.cloud.discoveryengine.v1beta.SearchResponse.SearchResult.Builder
        addResultsBuilder() {
      return getResultsFieldBuilder()
          .addBuilder(
              com.google.cloud.discoveryengine.v1beta.SearchResponse.SearchResult
                  .getDefaultInstance());
    }
    /**
     *
     *
     * <pre>
     * A list of matched documents. The order represents the ranking.
     * </pre>
     *
     * <code>repeated .google.cloud.discoveryengine.v1beta.SearchResponse.SearchResult results = 1;
     * </code>
     */
    public com.google.cloud.discoveryengine.v1beta.SearchResponse.SearchResult.Builder
        addResultsBuilder(int index) {
      return getResultsFieldBuilder()
          .addBuilder(
              index,
              com.google.cloud.discoveryengine.v1beta.SearchResponse.SearchResult
                  .getDefaultInstance());
    }
    /**
     *
     *
     * <pre>
     * A list of matched documents. The order represents the ranking.
     * </pre>
     *
     * <code>repeated .google.cloud.discoveryengine.v1beta.SearchResponse.SearchResult results = 1;
     * </code>
     */
    public java.util.List<
            com.google.cloud.discoveryengine.v1beta.SearchResponse.SearchResult.Builder>
        getResultsBuilderList() {
      return getResultsFieldBuilder().getBuilderList();
    }

    private com.google.protobuf.RepeatedFieldBuilderV3<
            com.google.cloud.discoveryengine.v1beta.SearchResponse.SearchResult,
            com.google.cloud.discoveryengine.v1beta.SearchResponse.SearchResult.Builder,
            com.google.cloud.discoveryengine.v1beta.SearchResponse.SearchResultOrBuilder>
        getResultsFieldBuilder() {
      if (resultsBuilder_ == null) {
        resultsBuilder_ =
            new com.google.protobuf.RepeatedFieldBuilderV3<
                com.google.cloud.discoveryengine.v1beta.SearchResponse.SearchResult,
                com.google.cloud.discoveryengine.v1beta.SearchResponse.SearchResult.Builder,
                com.google.cloud.discoveryengine.v1beta.SearchResponse.SearchResultOrBuilder>(
                results_, ((bitField0_ & 0x00000001) != 0), getParentForChildren(), isClean());
        results_ = null;
      }
      return resultsBuilder_;
    }

    private java.util.List<com.google.cloud.discoveryengine.v1beta.SearchResponse.Facet> facets_ =
        java.util.Collections.emptyList();

    private void ensureFacetsIsMutable() {
      if (!((bitField0_ & 0x00000002) != 0)) {
        facets_ =
            new java.util.ArrayList<com.google.cloud.discoveryengine.v1beta.SearchResponse.Facet>(
                facets_);
        bitField0_ |= 0x00000002;
      }
    }

    private com.google.protobuf.RepeatedFieldBuilderV3<
            com.google.cloud.discoveryengine.v1beta.SearchResponse.Facet,
            com.google.cloud.discoveryengine.v1beta.SearchResponse.Facet.Builder,
            com.google.cloud.discoveryengine.v1beta.SearchResponse.FacetOrBuilder>
        facetsBuilder_;

    /**
     *
     *
     * <pre>
     * Results of facets requested by user.
     * </pre>
     *
     * <code>repeated .google.cloud.discoveryengine.v1beta.SearchResponse.Facet facets = 2;</code>
     */
    public java.util.List<com.google.cloud.discoveryengine.v1beta.SearchResponse.Facet>
        getFacetsList() {
      if (facetsBuilder_ == null) {
        return java.util.Collections.unmodifiableList(facets_);
      } else {
        return facetsBuilder_.getMessageList();
      }
    }
    /**
     *
     *
     * <pre>
     * Results of facets requested by user.
     * </pre>
     *
     * <code>repeated .google.cloud.discoveryengine.v1beta.SearchResponse.Facet facets = 2;</code>
     */
    public int getFacetsCount() {
      if (facetsBuilder_ == null) {
        return facets_.size();
      } else {
        return facetsBuilder_.getCount();
      }
    }
    /**
     *
     *
     * <pre>
     * Results of facets requested by user.
     * </pre>
     *
     * <code>repeated .google.cloud.discoveryengine.v1beta.SearchResponse.Facet facets = 2;</code>
     */
    public com.google.cloud.discoveryengine.v1beta.SearchResponse.Facet getFacets(int index) {
      if (facetsBuilder_ == null) {
        return facets_.get(index);
      } else {
        return facetsBuilder_.getMessage(index);
      }
    }
    /**
     *
     *
     * <pre>
     * Results of facets requested by user.
     * </pre>
     *
     * <code>repeated .google.cloud.discoveryengine.v1beta.SearchResponse.Facet facets = 2;</code>
     */
    public Builder setFacets(
        int index, com.google.cloud.discoveryengine.v1beta.SearchResponse.Facet value) {
      if (facetsBuilder_ == null) {
        if (value == null) {
          throw new NullPointerException();
        }
        ensureFacetsIsMutable();
        facets_.set(index, value);
        onChanged();
      } else {
        facetsBuilder_.setMessage(index, value);
      }
      return this;
    }
    /**
     *
     *
     * <pre>
     * Results of facets requested by user.
     * </pre>
     *
     * <code>repeated .google.cloud.discoveryengine.v1beta.SearchResponse.Facet facets = 2;</code>
     */
    public Builder setFacets(
        int index,
        com.google.cloud.discoveryengine.v1beta.SearchResponse.Facet.Builder builderForValue) {
      if (facetsBuilder_ == null) {
        ensureFacetsIsMutable();
        facets_.set(index, builderForValue.build());
        onChanged();
      } else {
        facetsBuilder_.setMessage(index, builderForValue.build());
      }
      return this;
    }
    /**
     *
     *
     * <pre>
     * Results of facets requested by user.
     * </pre>
     *
     * <code>repeated .google.cloud.discoveryengine.v1beta.SearchResponse.Facet facets = 2;</code>
     */
    public Builder addFacets(com.google.cloud.discoveryengine.v1beta.SearchResponse.Facet value) {
      if (facetsBuilder_ == null) {
        if (value == null) {
          throw new NullPointerException();
        }
        ensureFacetsIsMutable();
        facets_.add(value);
        onChanged();
      } else {
        facetsBuilder_.addMessage(value);
      }
      return this;
    }
    /**
     *
     *
     * <pre>
     * Results of facets requested by user.
     * </pre>
     *
     * <code>repeated .google.cloud.discoveryengine.v1beta.SearchResponse.Facet facets = 2;</code>
     */
    public Builder addFacets(
        int index, com.google.cloud.discoveryengine.v1beta.SearchResponse.Facet value) {
      if (facetsBuilder_ == null) {
        if (value == null) {
          throw new NullPointerException();
        }
        ensureFacetsIsMutable();
        facets_.add(index, value);
        onChanged();
      } else {
        facetsBuilder_.addMessage(index, value);
      }
      return this;
    }
    /**
     *
     *
     * <pre>
     * Results of facets requested by user.
     * </pre>
     *
     * <code>repeated .google.cloud.discoveryengine.v1beta.SearchResponse.Facet facets = 2;</code>
     */
    public Builder addFacets(
        com.google.cloud.discoveryengine.v1beta.SearchResponse.Facet.Builder builderForValue) {
      if (facetsBuilder_ == null) {
        ensureFacetsIsMutable();
        facets_.add(builderForValue.build());
        onChanged();
      } else {
        facetsBuilder_.addMessage(builderForValue.build());
      }
      return this;
    }
    /**
     *
     *
     * <pre>
     * Results of facets requested by user.
     * </pre>
     *
     * <code>repeated .google.cloud.discoveryengine.v1beta.SearchResponse.Facet facets = 2;</code>
     */
    public Builder addFacets(
        int index,
        com.google.cloud.discoveryengine.v1beta.SearchResponse.Facet.Builder builderForValue) {
      if (facetsBuilder_ == null) {
        ensureFacetsIsMutable();
        facets_.add(index, builderForValue.build());
        onChanged();
      } else {
        facetsBuilder_.addMessage(index, builderForValue.build());
      }
      return this;
    }
    /**
     *
     *
     * <pre>
     * Results of facets requested by user.
     * </pre>
     *
     * <code>repeated .google.cloud.discoveryengine.v1beta.SearchResponse.Facet facets = 2;</code>
     */
    public Builder addAllFacets(
        java.lang.Iterable<? extends com.google.cloud.discoveryengine.v1beta.SearchResponse.Facet>
            values) {
      if (facetsBuilder_ == null) {
        ensureFacetsIsMutable();
        com.google.protobuf.AbstractMessageLite.Builder.addAll(values, facets_);
        onChanged();
      } else {
        facetsBuilder_.addAllMessages(values);
      }
      return this;
    }
    /**
     *
     *
     * <pre>
     * Results of facets requested by user.
     * </pre>
     *
     * <code>repeated .google.cloud.discoveryengine.v1beta.SearchResponse.Facet facets = 2;</code>
     */
    public Builder clearFacets() {
      if (facetsBuilder_ == null) {
        facets_ = java.util.Collections.emptyList();
        bitField0_ = (bitField0_ & ~0x00000002);
        onChanged();
      } else {
        facetsBuilder_.clear();
      }
      return this;
    }
    /**
     *
     *
     * <pre>
     * Results of facets requested by user.
     * </pre>
     *
     * <code>repeated .google.cloud.discoveryengine.v1beta.SearchResponse.Facet facets = 2;</code>
     */
    public Builder removeFacets(int index) {
      if (facetsBuilder_ == null) {
        ensureFacetsIsMutable();
        facets_.remove(index);
        onChanged();
      } else {
        facetsBuilder_.remove(index);
      }
      return this;
    }
    /**
     *
     *
     * <pre>
     * Results of facets requested by user.
     * </pre>
     *
     * <code>repeated .google.cloud.discoveryengine.v1beta.SearchResponse.Facet facets = 2;</code>
     */
    public com.google.cloud.discoveryengine.v1beta.SearchResponse.Facet.Builder getFacetsBuilder(
        int index) {
      return getFacetsFieldBuilder().getBuilder(index);
    }
    /**
     *
     *
     * <pre>
     * Results of facets requested by user.
     * </pre>
     *
     * <code>repeated .google.cloud.discoveryengine.v1beta.SearchResponse.Facet facets = 2;</code>
     */
    public com.google.cloud.discoveryengine.v1beta.SearchResponse.FacetOrBuilder getFacetsOrBuilder(
        int index) {
      if (facetsBuilder_ == null) {
        return facets_.get(index);
      } else {
        return facetsBuilder_.getMessageOrBuilder(index);
      }
    }
    /**
     *
     *
     * <pre>
     * Results of facets requested by user.
     * </pre>
     *
     * <code>repeated .google.cloud.discoveryengine.v1beta.SearchResponse.Facet facets = 2;</code>
     */
    public java.util.List<
            ? extends com.google.cloud.discoveryengine.v1beta.SearchResponse.FacetOrBuilder>
        getFacetsOrBuilderList() {
      if (facetsBuilder_ != null) {
        return facetsBuilder_.getMessageOrBuilderList();
      } else {
        return java.util.Collections.unmodifiableList(facets_);
      }
    }
    /**
     *
     *
     * <pre>
     * Results of facets requested by user.
     * </pre>
     *
     * <code>repeated .google.cloud.discoveryengine.v1beta.SearchResponse.Facet facets = 2;</code>
     */
    public com.google.cloud.discoveryengine.v1beta.SearchResponse.Facet.Builder addFacetsBuilder() {
      return getFacetsFieldBuilder()
          .addBuilder(
              com.google.cloud.discoveryengine.v1beta.SearchResponse.Facet.getDefaultInstance());
    }
    /**
     *
     *
     * <pre>
     * Results of facets requested by user.
     * </pre>
     *
     * <code>repeated .google.cloud.discoveryengine.v1beta.SearchResponse.Facet facets = 2;</code>
     */
    public com.google.cloud.discoveryengine.v1beta.SearchResponse.Facet.Builder addFacetsBuilder(
        int index) {
      return getFacetsFieldBuilder()
          .addBuilder(
              index,
              com.google.cloud.discoveryengine.v1beta.SearchResponse.Facet.getDefaultInstance());
    }
    /**
     *
     *
     * <pre>
     * Results of facets requested by user.
     * </pre>
     *
     * <code>repeated .google.cloud.discoveryengine.v1beta.SearchResponse.Facet facets = 2;</code>
     */
    public java.util.List<com.google.cloud.discoveryengine.v1beta.SearchResponse.Facet.Builder>
        getFacetsBuilderList() {
      return getFacetsFieldBuilder().getBuilderList();
    }

    private com.google.protobuf.RepeatedFieldBuilderV3<
            com.google.cloud.discoveryengine.v1beta.SearchResponse.Facet,
            com.google.cloud.discoveryengine.v1beta.SearchResponse.Facet.Builder,
            com.google.cloud.discoveryengine.v1beta.SearchResponse.FacetOrBuilder>
        getFacetsFieldBuilder() {
      if (facetsBuilder_ == null) {
        facetsBuilder_ =
            new com.google.protobuf.RepeatedFieldBuilderV3<
                com.google.cloud.discoveryengine.v1beta.SearchResponse.Facet,
                com.google.cloud.discoveryengine.v1beta.SearchResponse.Facet.Builder,
                com.google.cloud.discoveryengine.v1beta.SearchResponse.FacetOrBuilder>(
                facets_, ((bitField0_ & 0x00000002) != 0), getParentForChildren(), isClean());
        facets_ = null;
      }
      return facetsBuilder_;
    }

    private com.google.cloud.discoveryengine.v1beta.SearchResponse.GuidedSearchResult
        guidedSearchResult_;
    private com.google.protobuf.SingleFieldBuilderV3<
            com.google.cloud.discoveryengine.v1beta.SearchResponse.GuidedSearchResult,
            com.google.cloud.discoveryengine.v1beta.SearchResponse.GuidedSearchResult.Builder,
            com.google.cloud.discoveryengine.v1beta.SearchResponse.GuidedSearchResultOrBuilder>
        guidedSearchResultBuilder_;
    /**
     *
     *
     * <pre>
     * Guided search result.
     * </pre>
     *
     * <code>
     * .google.cloud.discoveryengine.v1beta.SearchResponse.GuidedSearchResult guided_search_result = 8;
     * </code>
     *
     * @return Whether the guidedSearchResult field is set.
     */
    public boolean hasGuidedSearchResult() {
      return ((bitField0_ & 0x00000004) != 0);
    }
    /**
     *
     *
     * <pre>
     * Guided search result.
     * </pre>
     *
     * <code>
     * .google.cloud.discoveryengine.v1beta.SearchResponse.GuidedSearchResult guided_search_result = 8;
     * </code>
     *
     * @return The guidedSearchResult.
     */
    public com.google.cloud.discoveryengine.v1beta.SearchResponse.GuidedSearchResult
        getGuidedSearchResult() {
      if (guidedSearchResultBuilder_ == null) {
        return guidedSearchResult_ == null
            ? com.google.cloud.discoveryengine.v1beta.SearchResponse.GuidedSearchResult
                .getDefaultInstance()
            : guidedSearchResult_;
      } else {
        return guidedSearchResultBuilder_.getMessage();
      }
    }
    /**
     *
     *
     * <pre>
     * Guided search result.
     * </pre>
     *
     * <code>
     * .google.cloud.discoveryengine.v1beta.SearchResponse.GuidedSearchResult guided_search_result = 8;
     * </code>
     */
    public Builder setGuidedSearchResult(
        com.google.cloud.discoveryengine.v1beta.SearchResponse.GuidedSearchResult value) {
      if (guidedSearchResultBuilder_ == null) {
        if (value == null) {
          throw new NullPointerException();
        }
        guidedSearchResult_ = value;
      } else {
        guidedSearchResultBuilder_.setMessage(value);
      }
      bitField0_ |= 0x00000004;
      onChanged();
      return this;
    }
    /**
     *
     *
     * <pre>
     * Guided search result.
     * </pre>
     *
     * <code>
     * .google.cloud.discoveryengine.v1beta.SearchResponse.GuidedSearchResult guided_search_result = 8;
     * </code>
     */
    public Builder setGuidedSearchResult(
        com.google.cloud.discoveryengine.v1beta.SearchResponse.GuidedSearchResult.Builder
            builderForValue) {
      if (guidedSearchResultBuilder_ == null) {
        guidedSearchResult_ = builderForValue.build();
      } else {
        guidedSearchResultBuilder_.setMessage(builderForValue.build());
      }
      bitField0_ |= 0x00000004;
      onChanged();
      return this;
    }
    /**
     *
     *
     * <pre>
     * Guided search result.
     * </pre>
     *
     * <code>
     * .google.cloud.discoveryengine.v1beta.SearchResponse.GuidedSearchResult guided_search_result = 8;
     * </code>
     */
    public Builder mergeGuidedSearchResult(
        com.google.cloud.discoveryengine.v1beta.SearchResponse.GuidedSearchResult value) {
      if (guidedSearchResultBuilder_ == null) {
        if (((bitField0_ & 0x00000004) != 0)
            && guidedSearchResult_ != null
            && guidedSearchResult_
                != com.google.cloud.discoveryengine.v1beta.SearchResponse.GuidedSearchResult
                    .getDefaultInstance()) {
          getGuidedSearchResultBuilder().mergeFrom(value);
        } else {
          guidedSearchResult_ = value;
        }
      } else {
        guidedSearchResultBuilder_.mergeFrom(value);
      }
      bitField0_ |= 0x00000004;
      onChanged();
      return this;
    }
    /**
     *
     *
     * <pre>
     * Guided search result.
     * </pre>
     *
     * <code>
     * .google.cloud.discoveryengine.v1beta.SearchResponse.GuidedSearchResult guided_search_result = 8;
     * </code>
     */
    public Builder clearGuidedSearchResult() {
      bitField0_ = (bitField0_ & ~0x00000004);
      guidedSearchResult_ = null;
      if (guidedSearchResultBuilder_ != null) {
        guidedSearchResultBuilder_.dispose();
        guidedSearchResultBuilder_ = null;
      }
      onChanged();
      return this;
    }
    /**
     *
     *
     * <pre>
     * Guided search result.
     * </pre>
     *
     * <code>
     * .google.cloud.discoveryengine.v1beta.SearchResponse.GuidedSearchResult guided_search_result = 8;
     * </code>
     */
    public com.google.cloud.discoveryengine.v1beta.SearchResponse.GuidedSearchResult.Builder
        getGuidedSearchResultBuilder() {
      bitField0_ |= 0x00000004;
      onChanged();
      return getGuidedSearchResultFieldBuilder().getBuilder();
    }
    /**
     *
     *
     * <pre>
     * Guided search result.
     * </pre>
     *
     * <code>
     * .google.cloud.discoveryengine.v1beta.SearchResponse.GuidedSearchResult guided_search_result = 8;
     * </code>
     */
    public com.google.cloud.discoveryengine.v1beta.SearchResponse.GuidedSearchResultOrBuilder
        getGuidedSearchResultOrBuilder() {
      if (guidedSearchResultBuilder_ != null) {
        return guidedSearchResultBuilder_.getMessageOrBuilder();
      } else {
        return guidedSearchResult_ == null
            ? com.google.cloud.discoveryengine.v1beta.SearchResponse.GuidedSearchResult
                .getDefaultInstance()
            : guidedSearchResult_;
      }
    }
    /**
     *
     *
     * <pre>
     * Guided search result.
     * </pre>
     *
     * <code>
     * .google.cloud.discoveryengine.v1beta.SearchResponse.GuidedSearchResult guided_search_result = 8;
     * </code>
     */
    private com.google.protobuf.SingleFieldBuilderV3<
            com.google.cloud.discoveryengine.v1beta.SearchResponse.GuidedSearchResult,
            com.google.cloud.discoveryengine.v1beta.SearchResponse.GuidedSearchResult.Builder,
            com.google.cloud.discoveryengine.v1beta.SearchResponse.GuidedSearchResultOrBuilder>
        getGuidedSearchResultFieldBuilder() {
      if (guidedSearchResultBuilder_ == null) {
        guidedSearchResultBuilder_ =
            new com.google.protobuf.SingleFieldBuilderV3<
                com.google.cloud.discoveryengine.v1beta.SearchResponse.GuidedSearchResult,
                com.google.cloud.discoveryengine.v1beta.SearchResponse.GuidedSearchResult.Builder,
                com.google.cloud.discoveryengine.v1beta.SearchResponse.GuidedSearchResultOrBuilder>(
                getGuidedSearchResult(), getParentForChildren(), isClean());
        guidedSearchResult_ = null;
      }
      return guidedSearchResultBuilder_;
    }

    private int totalSize_;
    /**
     *
     *
     * <pre>
     * The estimated total count of matched items irrespective of pagination. The
     * count of
     * [results][google.cloud.discoveryengine.v1beta.SearchResponse.results]
     * returned by pagination may be less than the
     * [total_size][google.cloud.discoveryengine.v1beta.SearchResponse.total_size]
     * that matches.
     * </pre>
     *
     * <code>int32 total_size = 3;</code>
     *
     * @return The totalSize.
     */
    @java.lang.Override
    public int getTotalSize() {
      return totalSize_;
    }
    /**
     *
     *
     * <pre>
     * The estimated total count of matched items irrespective of pagination. The
     * count of
     * [results][google.cloud.discoveryengine.v1beta.SearchResponse.results]
     * returned by pagination may be less than the
     * [total_size][google.cloud.discoveryengine.v1beta.SearchResponse.total_size]
     * that matches.
     * </pre>
     *
     * <code>int32 total_size = 3;</code>
     *
     * @param value The totalSize to set.
     * @return This builder for chaining.
     */
    public Builder setTotalSize(int value) {

      totalSize_ = value;
      bitField0_ |= 0x00000008;
      onChanged();
      return this;
    }
    /**
     *
     *
     * <pre>
     * The estimated total count of matched items irrespective of pagination. The
     * count of
     * [results][google.cloud.discoveryengine.v1beta.SearchResponse.results]
     * returned by pagination may be less than the
     * [total_size][google.cloud.discoveryengine.v1beta.SearchResponse.total_size]
     * that matches.
     * </pre>
     *
     * <code>int32 total_size = 3;</code>
     *
     * @return This builder for chaining.
     */
    public Builder clearTotalSize() {
      bitField0_ = (bitField0_ & ~0x00000008);
      totalSize_ = 0;
      onChanged();
      return this;
    }

    private java.lang.Object attributionToken_ = "";
    /**
     *
     *
     * <pre>
     * A unique search token. This should be included in the
     * [UserEvent][google.cloud.discoveryengine.v1beta.UserEvent] logs resulting
     * from this search, which enables accurate attribution of search model
     * performance.
     * </pre>
     *
     * <code>string attribution_token = 4;</code>
     *
     * @return The attributionToken.
     */
    public java.lang.String getAttributionToken() {
      java.lang.Object ref = attributionToken_;
      if (!(ref instanceof java.lang.String)) {
        com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
        java.lang.String s = bs.toStringUtf8();
        attributionToken_ = s;
        return s;
      } else {
        return (java.lang.String) ref;
      }
    }
    /**
     *
     *
     * <pre>
     * A unique search token. This should be included in the
     * [UserEvent][google.cloud.discoveryengine.v1beta.UserEvent] logs resulting
     * from this search, which enables accurate attribution of search model
     * performance.
     * </pre>
     *
     * <code>string attribution_token = 4;</code>
     *
     * @return The bytes for attributionToken.
     */
    public com.google.protobuf.ByteString getAttributionTokenBytes() {
      java.lang.Object ref = attributionToken_;
      if (ref instanceof String) {
        com.google.protobuf.ByteString b =
            com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
        attributionToken_ = b;
        return b;
      } else {
        return (com.google.protobuf.ByteString) ref;
      }
    }
    /**
     *
     *
     * <pre>
     * A unique search token. This should be included in the
     * [UserEvent][google.cloud.discoveryengine.v1beta.UserEvent] logs resulting
     * from this search, which enables accurate attribution of search model
     * performance.
     * </pre>
     *
     * <code>string attribution_token = 4;</code>
     *
     * @param value The attributionToken to set.
     * @return This builder for chaining.
     */
    public Builder setAttributionToken(java.lang.String value) {
      if (value == null) {
        throw new NullPointerException();
      }
      attributionToken_ = value;
      bitField0_ |= 0x00000010;
      onChanged();
      return this;
    }
    /**
     *
     *
     * <pre>
     * A unique search token. This should be included in the
     * [UserEvent][google.cloud.discoveryengine.v1beta.UserEvent] logs resulting
     * from this search, which enables accurate attribution of search model
     * performance.
     * </pre>
     *
     * <code>string attribution_token = 4;</code>
     *
     * @return This builder for chaining.
     */
    public Builder clearAttributionToken() {
      attributionToken_ = getDefaultInstance().getAttributionToken();
      bitField0_ = (bitField0_ & ~0x00000010);
      onChanged();
      return this;
    }
    /**
     *
     *
     * <pre>
     * A unique search token. This should be included in the
     * [UserEvent][google.cloud.discoveryengine.v1beta.UserEvent] logs resulting
     * from this search, which enables accurate attribution of search model
     * performance.
     * </pre>
     *
     * <code>string attribution_token = 4;</code>
     *
     * @param value The bytes for attributionToken to set.
     * @return This builder for chaining.
     */
    public Builder setAttributionTokenBytes(com.google.protobuf.ByteString value) {
      if (value == null) {
        throw new NullPointerException();
      }
      checkByteStringIsUtf8(value);
      attributionToken_ = value;
      bitField0_ |= 0x00000010;
      onChanged();
      return this;
    }

    private java.lang.Object nextPageToken_ = "";
    /**
     *
     *
     * <pre>
     * A token that can be sent as
     * [SearchRequest.page_token][google.cloud.discoveryengine.v1beta.SearchRequest.page_token]
     * to retrieve the next page. If this field is omitted, there are no
     * subsequent pages.
     * </pre>
     *
     * <code>string next_page_token = 5;</code>
     *
     * @return The nextPageToken.
     */
    public java.lang.String getNextPageToken() {
      java.lang.Object ref = nextPageToken_;
      if (!(ref instanceof java.lang.String)) {
        com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
        java.lang.String s = bs.toStringUtf8();
        nextPageToken_ = s;
        return s;
      } else {
        return (java.lang.String) ref;
      }
    }
    /**
     *
     *
     * <pre>
     * A token that can be sent as
     * [SearchRequest.page_token][google.cloud.discoveryengine.v1beta.SearchRequest.page_token]
     * to retrieve the next page. If this field is omitted, there are no
     * subsequent pages.
     * </pre>
     *
     * <code>string next_page_token = 5;</code>
     *
     * @return The bytes for nextPageToken.
     */
    public com.google.protobuf.ByteString getNextPageTokenBytes() {
      java.lang.Object ref = nextPageToken_;
      if (ref instanceof String) {
        com.google.protobuf.ByteString b =
            com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
        nextPageToken_ = b;
        return b;
      } else {
        return (com.google.protobuf.ByteString) ref;
      }
    }
    /**
     *
     *
     * <pre>
     * A token that can be sent as
     * [SearchRequest.page_token][google.cloud.discoveryengine.v1beta.SearchRequest.page_token]
     * to retrieve the next page. If this field is omitted, there are no
     * subsequent pages.
     * </pre>
     *
     * <code>string next_page_token = 5;</code>
     *
     * @param value The nextPageToken to set.
     * @return This builder for chaining.
     */
    public Builder setNextPageToken(java.lang.String value) {
      if (value == null) {
        throw new NullPointerException();
      }
      nextPageToken_ = value;
      bitField0_ |= 0x00000020;
      onChanged();
      return this;
    }
    /**
     *
     *
     * <pre>
     * A token that can be sent as
     * [SearchRequest.page_token][google.cloud.discoveryengine.v1beta.SearchRequest.page_token]
     * to retrieve the next page. If this field is omitted, there are no
     * subsequent pages.
     * </pre>
     *
     * <code>string next_page_token = 5;</code>
     *
     * @return This builder for chaining.
     */
    public Builder clearNextPageToken() {
      nextPageToken_ = getDefaultInstance().getNextPageToken();
      bitField0_ = (bitField0_ & ~0x00000020);
      onChanged();
      return this;
    }
    /**
     *
     *
     * <pre>
     * A token that can be sent as
     * [SearchRequest.page_token][google.cloud.discoveryengine.v1beta.SearchRequest.page_token]
     * to retrieve the next page. If this field is omitted, there are no
     * subsequent pages.
     * </pre>
     *
     * <code>string next_page_token = 5;</code>
     *
     * @param value The bytes for nextPageToken to set.
     * @return This builder for chaining.
     */
    public Builder setNextPageTokenBytes(com.google.protobuf.ByteString value) {
      if (value == null) {
        throw new NullPointerException();
      }
      checkByteStringIsUtf8(value);
      nextPageToken_ = value;
      bitField0_ |= 0x00000020;
      onChanged();
      return this;
    }

    private java.lang.Object correctedQuery_ = "";
    /**
     *
     *
     * <pre>
     * Contains the spell corrected query, if found. If the spell correction type
     * is AUTOMATIC, then the search results are based on corrected_query.
     * Otherwise the original query is used for search.
     * </pre>
     *
     * <code>string corrected_query = 7;</code>
     *
     * @return The correctedQuery.
     */
    public java.lang.String getCorrectedQuery() {
      java.lang.Object ref = correctedQuery_;
      if (!(ref instanceof java.lang.String)) {
        com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
        java.lang.String s = bs.toStringUtf8();
        correctedQuery_ = s;
        return s;
      } else {
        return (java.lang.String) ref;
      }
    }
    /**
     *
     *
     * <pre>
     * Contains the spell corrected query, if found. If the spell correction type
     * is AUTOMATIC, then the search results are based on corrected_query.
     * Otherwise the original query is used for search.
     * </pre>
     *
     * <code>string corrected_query = 7;</code>
     *
     * @return The bytes for correctedQuery.
     */
    public com.google.protobuf.ByteString getCorrectedQueryBytes() {
      java.lang.Object ref = correctedQuery_;
      if (ref instanceof String) {
        com.google.protobuf.ByteString b =
            com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
        correctedQuery_ = b;
        return b;
      } else {
        return (com.google.protobuf.ByteString) ref;
      }
    }
    /**
     *
     *
     * <pre>
     * Contains the spell corrected query, if found. If the spell correction type
     * is AUTOMATIC, then the search results are based on corrected_query.
     * Otherwise the original query is used for search.
     * </pre>
     *
     * <code>string corrected_query = 7;</code>
     *
     * @param value The correctedQuery to set.
     * @return This builder for chaining.
     */
    public Builder setCorrectedQuery(java.lang.String value) {
      if (value == null) {
        throw new NullPointerException();
      }
      correctedQuery_ = value;
      bitField0_ |= 0x00000040;
      onChanged();
      return this;
    }
    /**
     *
     *
     * <pre>
     * Contains the spell corrected query, if found. If the spell correction type
     * is AUTOMATIC, then the search results are based on corrected_query.
     * Otherwise the original query is used for search.
     * </pre>
     *
     * <code>string corrected_query = 7;</code>
     *
     * @return This builder for chaining.
     */
    public Builder clearCorrectedQuery() {
      correctedQuery_ = getDefaultInstance().getCorrectedQuery();
      bitField0_ = (bitField0_ & ~0x00000040);
      onChanged();
      return this;
    }
    /**
     *
     *
     * <pre>
     * Contains the spell corrected query, if found. If the spell correction type
     * is AUTOMATIC, then the search results are based on corrected_query.
     * Otherwise the original query is used for search.
     * </pre>
     *
     * <code>string corrected_query = 7;</code>
     *
     * @param value The bytes for correctedQuery to set.
     * @return This builder for chaining.
     */
    public Builder setCorrectedQueryBytes(com.google.protobuf.ByteString value) {
      if (value == null) {
        throw new NullPointerException();
      }
      checkByteStringIsUtf8(value);
      correctedQuery_ = value;
      bitField0_ |= 0x00000040;
      onChanged();
      return this;
    }

    private com.google.cloud.discoveryengine.v1beta.SearchResponse.Summary summary_;
    private com.google.protobuf.SingleFieldBuilderV3<
            com.google.cloud.discoveryengine.v1beta.SearchResponse.Summary,
            com.google.cloud.discoveryengine.v1beta.SearchResponse.Summary.Builder,
            com.google.cloud.discoveryengine.v1beta.SearchResponse.SummaryOrBuilder>
        summaryBuilder_;
    /**
     *
     *
     * <pre>
     * A summary as part of the search results.
     * This field is only returned if
     * [SearchRequest.ContentSearchSpec.summary_spec][google.cloud.discoveryengine.v1beta.SearchRequest.ContentSearchSpec.summary_spec]
     * is set.
     * </pre>
     *
     * <code>.google.cloud.discoveryengine.v1beta.SearchResponse.Summary summary = 9;</code>
     *
     * @return Whether the summary field is set.
     */
    public boolean hasSummary() {
      return ((bitField0_ & 0x00000080) != 0);
    }
    /**
     *
     *
     * <pre>
     * A summary as part of the search results.
     * This field is only returned if
     * [SearchRequest.ContentSearchSpec.summary_spec][google.cloud.discoveryengine.v1beta.SearchRequest.ContentSearchSpec.summary_spec]
     * is set.
     * </pre>
     *
     * <code>.google.cloud.discoveryengine.v1beta.SearchResponse.Summary summary = 9;</code>
     *
     * @return The summary.
     */
    public com.google.cloud.discoveryengine.v1beta.SearchResponse.Summary getSummary() {
      if (summaryBuilder_ == null) {
        return summary_ == null
            ? com.google.cloud.discoveryengine.v1beta.SearchResponse.Summary.getDefaultInstance()
            : summary_;
      } else {
        return summaryBuilder_.getMessage();
      }
    }
    /**
     *
     *
     * <pre>
     * A summary as part of the search results.
     * This field is only returned if
     * [SearchRequest.ContentSearchSpec.summary_spec][google.cloud.discoveryengine.v1beta.SearchRequest.ContentSearchSpec.summary_spec]
     * is set.
     * </pre>
     *
     * <code>.google.cloud.discoveryengine.v1beta.SearchResponse.Summary summary = 9;</code>
     */
    public Builder setSummary(
        com.google.cloud.discoveryengine.v1beta.SearchResponse.Summary value) {
      if (summaryBuilder_ == null) {
        if (value == null) {
          throw new NullPointerException();
        }
        summary_ = value;
      } else {
        summaryBuilder_.setMessage(value);
      }
      bitField0_ |= 0x00000080;
      onChanged();
      return this;
    }
    /**
     *
     *
     * <pre>
     * A summary as part of the search results.
     * This field is only returned if
     * [SearchRequest.ContentSearchSpec.summary_spec][google.cloud.discoveryengine.v1beta.SearchRequest.ContentSearchSpec.summary_spec]
     * is set.
     * </pre>
     *
     * <code>.google.cloud.discoveryengine.v1beta.SearchResponse.Summary summary = 9;</code>
     */
    public Builder setSummary(
        com.google.cloud.discoveryengine.v1beta.SearchResponse.Summary.Builder builderForValue) {
      if (summaryBuilder_ == null) {
        summary_ = builderForValue.build();
      } else {
        summaryBuilder_.setMessage(builderForValue.build());
      }
      bitField0_ |= 0x00000080;
      onChanged();
      return this;
    }
    /**
     *
     *
     * <pre>
     * A summary as part of the search results.
     * This field is only returned if
     * [SearchRequest.ContentSearchSpec.summary_spec][google.cloud.discoveryengine.v1beta.SearchRequest.ContentSearchSpec.summary_spec]
     * is set.
     * </pre>
     *
     * <code>.google.cloud.discoveryengine.v1beta.SearchResponse.Summary summary = 9;</code>
     */
    public Builder mergeSummary(
        com.google.cloud.discoveryengine.v1beta.SearchResponse.Summary value) {
      if (summaryBuilder_ == null) {
        if (((bitField0_ & 0x00000080) != 0)
            && summary_ != null
            && summary_
                != com.google.cloud.discoveryengine.v1beta.SearchResponse.Summary
                    .getDefaultInstance()) {
          getSummaryBuilder().mergeFrom(value);
        } else {
          summary_ = value;
        }
      } else {
        summaryBuilder_.mergeFrom(value);
      }
      bitField0_ |= 0x00000080;
      onChanged();
      return this;
    }
    /**
     *
     *
     * <pre>
     * A summary as part of the search results.
     * This field is only returned if
     * [SearchRequest.ContentSearchSpec.summary_spec][google.cloud.discoveryengine.v1beta.SearchRequest.ContentSearchSpec.summary_spec]
     * is set.
     * </pre>
     *
     * <code>.google.cloud.discoveryengine.v1beta.SearchResponse.Summary summary = 9;</code>
     */
    public Builder clearSummary() {
      bitField0_ = (bitField0_ & ~0x00000080);
      summary_ = null;
      if (summaryBuilder_ != null) {
        summaryBuilder_.dispose();
        summaryBuilder_ = null;
      }
      onChanged();
      return this;
    }
    /**
     *
     *
     * <pre>
     * A summary as part of the search results.
     * This field is only returned if
     * [SearchRequest.ContentSearchSpec.summary_spec][google.cloud.discoveryengine.v1beta.SearchRequest.ContentSearchSpec.summary_spec]
     * is set.
     * </pre>
     *
     * <code>.google.cloud.discoveryengine.v1beta.SearchResponse.Summary summary = 9;</code>
     */
    public com.google.cloud.discoveryengine.v1beta.SearchResponse.Summary.Builder
        getSummaryBuilder() {
      bitField0_ |= 0x00000080;
      onChanged();
      return getSummaryFieldBuilder().getBuilder();
    }
    /**
     *
     *
     * <pre>
     * A summary as part of the search results.
     * This field is only returned if
     * [SearchRequest.ContentSearchSpec.summary_spec][google.cloud.discoveryengine.v1beta.SearchRequest.ContentSearchSpec.summary_spec]
     * is set.
     * </pre>
     *
     * <code>.google.cloud.discoveryengine.v1beta.SearchResponse.Summary summary = 9;</code>
     */
    public com.google.cloud.discoveryengine.v1beta.SearchResponse.SummaryOrBuilder
        getSummaryOrBuilder() {
      if (summaryBuilder_ != null) {
        return summaryBuilder_.getMessageOrBuilder();
      } else {
        return summary_ == null
            ? com.google.cloud.discoveryengine.v1beta.SearchResponse.Summary.getDefaultInstance()
            : summary_;
      }
    }
    /**
     *
     *
     * <pre>
     * A summary as part of the search results.
     * This field is only returned if
     * [SearchRequest.ContentSearchSpec.summary_spec][google.cloud.discoveryengine.v1beta.SearchRequest.ContentSearchSpec.summary_spec]
     * is set.
     * </pre>
     *
     * <code>.google.cloud.discoveryengine.v1beta.SearchResponse.Summary summary = 9;</code>
     */
    private com.google.protobuf.SingleFieldBuilderV3<
            com.google.cloud.discoveryengine.v1beta.SearchResponse.Summary,
            com.google.cloud.discoveryengine.v1beta.SearchResponse.Summary.Builder,
            com.google.cloud.discoveryengine.v1beta.SearchResponse.SummaryOrBuilder>
        getSummaryFieldBuilder() {
      if (summaryBuilder_ == null) {
        summaryBuilder_ =
            new com.google.protobuf.SingleFieldBuilderV3<
                com.google.cloud.discoveryengine.v1beta.SearchResponse.Summary,
                com.google.cloud.discoveryengine.v1beta.SearchResponse.Summary.Builder,
                com.google.cloud.discoveryengine.v1beta.SearchResponse.SummaryOrBuilder>(
                getSummary(), getParentForChildren(), isClean());
        summary_ = null;
      }
      return summaryBuilder_;
    }

    private com.google.protobuf.LazyStringList appliedControls_ =
        com.google.protobuf.LazyStringArrayList.EMPTY;

    private void ensureAppliedControlsIsMutable() {
      if (!((bitField0_ & 0x00000100) != 0)) {
        appliedControls_ = new com.google.protobuf.LazyStringArrayList(appliedControls_);
        bitField0_ |= 0x00000100;
      }
    }
    /**
     *
     *
     * <pre>
     * Controls applied as part of the Control service.
     * </pre>
     *
     * <code>repeated string applied_controls = 10;</code>
     *
     * @return A list containing the appliedControls.
     */
    public com.google.protobuf.ProtocolStringList getAppliedControlsList() {
      return appliedControls_.getUnmodifiableView();
    }
    /**
     *
     *
     * <pre>
     * Controls applied as part of the Control service.
     * </pre>
     *
     * <code>repeated string applied_controls = 10;</code>
     *
     * @return The count of appliedControls.
     */
    public int getAppliedControlsCount() {
      return appliedControls_.size();
    }
    /**
     *
     *
     * <pre>
     * Controls applied as part of the Control service.
     * </pre>
     *
     * <code>repeated string applied_controls = 10;</code>
     *
     * @param index The index of the element to return.
     * @return The appliedControls at the given index.
     */
    public java.lang.String getAppliedControls(int index) {
      return appliedControls_.get(index);
    }
    /**
     *
     *
     * <pre>
     * Controls applied as part of the Control service.
     * </pre>
     *
     * <code>repeated string applied_controls = 10;</code>
     *
     * @param index The index of the value to return.
     * @return The bytes of the appliedControls at the given index.
     */
    public com.google.protobuf.ByteString getAppliedControlsBytes(int index) {
      return appliedControls_.getByteString(index);
    }
    /**
     *
     *
     * <pre>
     * Controls applied as part of the Control service.
     * </pre>
     *
     * <code>repeated string applied_controls = 10;</code>
     *
     * @param index The index to set the value at.
     * @param value The appliedControls to set.
     * @return This builder for chaining.
     */
    public Builder setAppliedControls(int index, java.lang.String value) {
      if (value == null) {
        throw new NullPointerException();
      }
      ensureAppliedControlsIsMutable();
      appliedControls_.set(index, value);
      onChanged();
      return this;
    }
    /**
     *
     *
     * <pre>
     * Controls applied as part of the Control service.
     * </pre>
     *
     * <code>repeated string applied_controls = 10;</code>
     *
     * @param value The appliedControls to add.
     * @return This builder for chaining.
     */
    public Builder addAppliedControls(java.lang.String value) {
      if (value == null) {
        throw new NullPointerException();
      }
      ensureAppliedControlsIsMutable();
      appliedControls_.add(value);
      onChanged();
      return this;
    }
    /**
     *
     *
     * <pre>
     * Controls applied as part of the Control service.
     * </pre>
     *
     * <code>repeated string applied_controls = 10;</code>
     *
     * @param values The appliedControls to add.
     * @return This builder for chaining.
     */
    public Builder addAllAppliedControls(java.lang.Iterable<java.lang.String> values) {
      ensureAppliedControlsIsMutable();
      com.google.protobuf.AbstractMessageLite.Builder.addAll(values, appliedControls_);
      onChanged();
      return this;
    }
    /**
     *
     *
     * <pre>
     * Controls applied as part of the Control service.
     * </pre>
     *
     * <code>repeated string applied_controls = 10;</code>
     *
     * @return This builder for chaining.
     */
    public Builder clearAppliedControls() {
      appliedControls_ = com.google.protobuf.LazyStringArrayList.EMPTY;
      bitField0_ = (bitField0_ & ~0x00000100);
      onChanged();
      return this;
    }
    /**
     *
     *
     * <pre>
     * Controls applied as part of the Control service.
     * </pre>
     *
     * <code>repeated string applied_controls = 10;</code>
     *
     * @param value The bytes of the appliedControls to add.
     * @return This builder for chaining.
     */
    public Builder addAppliedControlsBytes(com.google.protobuf.ByteString value) {
      if (value == null) {
        throw new NullPointerException();
      }
      checkByteStringIsUtf8(value);
      ensureAppliedControlsIsMutable();
      appliedControls_.add(value);
      onChanged();
      return this;
    }

    @java.lang.Override
    public final Builder setUnknownFields(final com.google.protobuf.UnknownFieldSet unknownFields) {
      return super.setUnknownFields(unknownFields);
    }

    @java.lang.Override
    public final Builder mergeUnknownFields(
        final com.google.protobuf.UnknownFieldSet unknownFields) {
      return super.mergeUnknownFields(unknownFields);
    }

    // @@protoc_insertion_point(builder_scope:google.cloud.discoveryengine.v1beta.SearchResponse)
  }

  // @@protoc_insertion_point(class_scope:google.cloud.discoveryengine.v1beta.SearchResponse)
  private static final com.google.cloud.discoveryengine.v1beta.SearchResponse DEFAULT_INSTANCE;

  static {
    DEFAULT_INSTANCE = new com.google.cloud.discoveryengine.v1beta.SearchResponse();
  }

  public static com.google.cloud.discoveryengine.v1beta.SearchResponse getDefaultInstance() {
    return DEFAULT_INSTANCE;
  }

  private static final com.google.protobuf.Parser<SearchResponse> PARSER =
      new com.google.protobuf.AbstractParser<SearchResponse>() {
        @java.lang.Override
        public SearchResponse parsePartialFrom(
            com.google.protobuf.CodedInputStream input,
            com.google.protobuf.ExtensionRegistryLite extensionRegistry)
            throws com.google.protobuf.InvalidProtocolBufferException {
          Builder builder = newBuilder();
          try {
            builder.mergeFrom(input, extensionRegistry);
          } catch (com.google.protobuf.InvalidProtocolBufferException e) {
            throw e.setUnfinishedMessage(builder.buildPartial());
          } catch (com.google.protobuf.UninitializedMessageException e) {
            throw e.asInvalidProtocolBufferException().setUnfinishedMessage(builder.buildPartial());
          } catch (java.io.IOException e) {
            throw new com.google.protobuf.InvalidProtocolBufferException(e)
                .setUnfinishedMessage(builder.buildPartial());
          }
          return builder.buildPartial();
        }
      };

  public static com.google.protobuf.Parser<SearchResponse> parser() {
    return PARSER;
  }

  @java.lang.Override
  public com.google.protobuf.Parser<SearchResponse> getParserForType() {
    return PARSER;
  }

  @java.lang.Override
  public com.google.cloud.discoveryengine.v1beta.SearchResponse getDefaultInstanceForType() {
    return DEFAULT_INSTANCE;
  }
}
