/*
 * 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/dialogflow/v2beta1/participant.proto

package com.google.cloud.dialogflow.v2beta1;

/**
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      com.google.protobuf.MessageOrBuilder {

    /**
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   *
   *
   * <pre>
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   *
   * Protobuf type {@code google.cloud.dialogflow.v2beta1.ResponseMessage.MixedAudio}
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       * <pre>
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       * <pre>
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      /**
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       *
       * <pre>
       * Whether the playback of this segment can be interrupted by the end
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       * </pre>
       *
       * <code>bool allow_playback_interruption = 3;</code>
       *
       * @return The allowPlaybackInterruption.
       */
      boolean getAllowPlaybackInterruption();

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     *
     *
     * <pre>
     * Represents one segment of audio.
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     *
     * Protobuf type {@code google.cloud.dialogflow.v2beta1.ResponseMessage.MixedAudio.Segment}
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        // @@protoc_insertion_point(message_implements:google.cloud.dialogflow.v2beta1.ResponseMessage.MixedAudio.Segment)
        SegmentOrBuilder {
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      private Segment(com.google.protobuf.GeneratedMessageV3.Builder<?> builder) {
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      private Segment() {}

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      protected java.lang.Object newInstance(UnusedPrivateParameter unused) {
        return new Segment();
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        return this.unknownFields;
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      public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
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      private int contentCase_ = 0;
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        public int getNumber() {
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      public ContentCase getContentCase() {
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       * <pre>
       * Raw audio synthesized from the Dialogflow agent's response using
       * the output config specified in the request.
       * </pre>
       *
       * <code>bytes audio = 1;</code>
       *
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      /**
       *
       *
       * <pre>
       * Raw audio synthesized from the Dialogflow agent's response using
       * the output config specified in the request.
       * </pre>
       *
       * <code>bytes audio = 1;</code>
       *
       * @return The audio.
       */
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      public com.google.protobuf.ByteString getAudio() {
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          return (com.google.protobuf.ByteString) content_;
        }
        return com.google.protobuf.ByteString.EMPTY;
      }

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      /**
       *
       *
       * <pre>
       * Client-specific URI that points to an audio clip accessible to the
       * client.
       * </pre>
       *
       * <code>string uri = 2;</code>
       *
       * @return Whether the uri field is set.
       */
      public boolean hasUri() {
        return contentCase_ == 2;
      }
      /**
       *
       *
       * <pre>
       * Client-specific URI that points to an audio clip accessible to the
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       *
       * <code>string uri = 2;</code>
       *
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      public static com.google.cloud.dialogflow.v2beta1.ResponseMessage.MixedAudio.Segment
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      public static com.google.cloud.dialogflow.v2beta1.ResponseMessage.MixedAudio.Segment
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      public static com.google.cloud.dialogflow.v2beta1.ResponseMessage.MixedAudio.Segment
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              com.google.protobuf.ExtensionRegistryLite extensionRegistry)
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      public static com.google.cloud.dialogflow.v2beta1.ResponseMessage.MixedAudio.Segment
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      public static com.google.cloud.dialogflow.v2beta1.ResponseMessage.MixedAudio.Segment
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        return PARSER.parseFrom(data, extensionRegistry);
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      public static com.google.cloud.dialogflow.v2beta1.ResponseMessage.MixedAudio.Segment
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        return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
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      public static com.google.cloud.dialogflow.v2beta1.ResponseMessage.MixedAudio.Segment
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        return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
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      public static com.google.cloud.dialogflow.v2beta1.ResponseMessage.MixedAudio.Segment
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        return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(PARSER, input);
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      public static com.google.cloud.dialogflow.v2beta1.ResponseMessage.MixedAudio.Segment
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      public static com.google.cloud.dialogflow.v2beta1.ResponseMessage.MixedAudio.Segment
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      public static com.google.cloud.dialogflow.v2beta1.ResponseMessage.MixedAudio.Segment
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              com.google.protobuf.ExtensionRegistryLite extensionRegistry)
              throws java.io.IOException {
        return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
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      public static Builder newBuilder() {
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      public static Builder newBuilder(
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        return DEFAULT_INSTANCE.toBuilder().mergeFrom(prototype);
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      @java.lang.Override
      public Builder toBuilder() {
        return this == DEFAULT_INSTANCE ? new Builder() : new Builder().mergeFrom(this);
      }

      @java.lang.Override
      protected Builder newBuilderForType(
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        Builder builder = new Builder(parent);
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       *
       * Protobuf type {@code google.cloud.dialogflow.v2beta1.ResponseMessage.MixedAudio.Segment}
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        private Builder(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
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        @java.lang.Override
        public Builder clear() {
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          allowPlaybackInterruption_ = false;
          contentCase_ = 0;
          content_ = null;
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        @java.lang.Override
        public com.google.protobuf.Descriptors.Descriptor getDescriptorForType() {
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          if (!result.isInitialized()) {
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          return result;
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        @java.lang.Override
        public com.google.cloud.dialogflow.v2beta1.ResponseMessage.MixedAudio.Segment
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          com.google.cloud.dialogflow.v2beta1.ResponseMessage.MixedAudio.Segment result =
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            buildPartial0(result);
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          buildPartialOneofs(result);
          onBuilt();
          return result;
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        private void buildPartialOneofs(
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          result.content_ = this.content_;
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        @java.lang.Override
        public Builder addRepeatedField(
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        @java.lang.Override
        public Builder mergeFrom(com.google.protobuf.Message other) {
          if (other
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            super.mergeFrom(other);
            return this;
          }
        }

        public Builder mergeFrom(
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          if (other
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            setAllowPlaybackInterruption(other.getAllowPlaybackInterruption());
          }
          switch (other.getContentCase()) {
            case AUDIO:
              {
                setAudio(other.getAudio());
                break;
              }
            case URI:
              {
                contentCase_ = 2;
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                onChanged();
                break;
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        @java.lang.Override
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        @java.lang.Override
        public Builder mergeFrom(
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          if (extensionRegistry == null) {
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                    content_ = s;
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        public ContentCase getContentCase() {
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          content_ = null;
          onChanged();
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        private int bitField0_;

        /**
         *
         *
         * <pre>
         * Raw audio synthesized from the Dialogflow agent's response using
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         * <code>bytes audio = 1;</code>
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         * @return Whether the audio field is set.
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         *
         *
         * <pre>
         * Raw audio synthesized from the Dialogflow agent's response using
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         * <pre>
         * Raw audio synthesized from the Dialogflow agent's response using
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         * </pre>
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            throw new NullPointerException();
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          contentCase_ = 1;
          content_ = value;
          onChanged();
          return this;
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         *
         *
         * <pre>
         * Raw audio synthesized from the Dialogflow agent's response using
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         * @return This builder for chaining.
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            content_ = null;
            onChanged();
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        /**
         *
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         * <pre>
         * Client-specific URI that points to an audio clip accessible to the
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         * <code>string uri = 2;</code>
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         * @return Whether the uri field is set.
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         *
         * <pre>
         * Client-specific URI that points to an audio clip accessible to the
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         *
         *
         * <pre>
         * Client-specific URI that points to an audio clip accessible to the
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         * <pre>
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          content_ = value;
          onChanged();
          return this;
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         * <pre>
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         * <code>string uri = 2;</code>
         *
         * @return This builder for chaining.
         */
        public Builder clearUri() {
          if (contentCase_ == 2) {
            contentCase_ = 0;
            content_ = null;
            onChanged();
          }
          return this;
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        /**
         *
         *
         * <pre>
         * Client-specific URI that points to an audio clip accessible to the
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         * <code>string uri = 2;</code>
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          allowPlaybackInterruption_ = value;
          bitField0_ |= 0x00000004;
          onChanged();
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         *
         *
         * <pre>
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      public static com.google.protobuf.Parser<Segment> parser() {
        return PARSER;
      }

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

      @java.lang.Override
      public com.google.cloud.dialogflow.v2beta1.ResponseMessage.MixedAudio.Segment
          getDefaultInstanceForType() {
        return DEFAULT_INSTANCE;
      }
    }

    public static final int SEGMENTS_FIELD_NUMBER = 1;

    @SuppressWarnings("serial")
    private java.util.List<com.google.cloud.dialogflow.v2beta1.ResponseMessage.MixedAudio.Segment>
        segments_;
    /**
     *
     *
     * <pre>
     * Segments this audio response is composed of.
     * </pre>
     *
     * <code>
     * repeated .google.cloud.dialogflow.v2beta1.ResponseMessage.MixedAudio.Segment segments = 1;
     * </code>
     */
    @java.lang.Override
    public java.util.List<com.google.cloud.dialogflow.v2beta1.ResponseMessage.MixedAudio.Segment>
        getSegmentsList() {
      return segments_;
    }
    /**
     *
     *
     * <pre>
     * Segments this audio response is composed of.
     * </pre>
     *
     * <code>
     * repeated .google.cloud.dialogflow.v2beta1.ResponseMessage.MixedAudio.Segment segments = 1;
     * </code>
     */
    @java.lang.Override
    public java.util.List<
            ? extends
                com.google.cloud.dialogflow.v2beta1.ResponseMessage.MixedAudio.SegmentOrBuilder>
        getSegmentsOrBuilderList() {
      return segments_;
    }
    /**
     *
     *
     * <pre>
     * Segments this audio response is composed of.
     * </pre>
     *
     * <code>
     * repeated .google.cloud.dialogflow.v2beta1.ResponseMessage.MixedAudio.Segment segments = 1;
     * </code>
     */
    @java.lang.Override
    public int getSegmentsCount() {
      return segments_.size();
    }
    /**
     *
     *
     * <pre>
     * Segments this audio response is composed of.
     * </pre>
     *
     * <code>
     * repeated .google.cloud.dialogflow.v2beta1.ResponseMessage.MixedAudio.Segment segments = 1;
     * </code>
     */
    @java.lang.Override
    public com.google.cloud.dialogflow.v2beta1.ResponseMessage.MixedAudio.Segment getSegments(
        int index) {
      return segments_.get(index);
    }
    /**
     *
     *
     * <pre>
     * Segments this audio response is composed of.
     * </pre>
     *
     * <code>
     * repeated .google.cloud.dialogflow.v2beta1.ResponseMessage.MixedAudio.Segment segments = 1;
     * </code>
     */
    @java.lang.Override
    public com.google.cloud.dialogflow.v2beta1.ResponseMessage.MixedAudio.SegmentOrBuilder
        getSegmentsOrBuilder(int index) {
      return segments_.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 < segments_.size(); i++) {
        output.writeMessage(1, segments_.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 < segments_.size(); i++) {
        size += com.google.protobuf.CodedOutputStream.computeMessageSize(1, segments_.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.dialogflow.v2beta1.ResponseMessage.MixedAudio)) {
        return super.equals(obj);
      }
      com.google.cloud.dialogflow.v2beta1.ResponseMessage.MixedAudio other =
          (com.google.cloud.dialogflow.v2beta1.ResponseMessage.MixedAudio) obj;

      if (!getSegmentsList().equals(other.getSegmentsList())) 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 (getSegmentsCount() > 0) {
        hash = (37 * hash) + SEGMENTS_FIELD_NUMBER;
        hash = (53 * hash) + getSegmentsList().hashCode();
      }
      hash = (29 * hash) + getUnknownFields().hashCode();
      memoizedHashCode = hash;
      return hash;
    }

    public static com.google.cloud.dialogflow.v2beta1.ResponseMessage.MixedAudio parseFrom(
        java.nio.ByteBuffer data) throws com.google.protobuf.InvalidProtocolBufferException {
      return PARSER.parseFrom(data);
    }

    public static com.google.cloud.dialogflow.v2beta1.ResponseMessage.MixedAudio 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.dialogflow.v2beta1.ResponseMessage.MixedAudio parseFrom(
        com.google.protobuf.ByteString data)
        throws com.google.protobuf.InvalidProtocolBufferException {
      return PARSER.parseFrom(data);
    }

    public static com.google.cloud.dialogflow.v2beta1.ResponseMessage.MixedAudio 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.dialogflow.v2beta1.ResponseMessage.MixedAudio parseFrom(
        byte[] data) throws com.google.protobuf.InvalidProtocolBufferException {
      return PARSER.parseFrom(data);
    }

    public static com.google.cloud.dialogflow.v2beta1.ResponseMessage.MixedAudio parseFrom(
        byte[] data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
        throws com.google.protobuf.InvalidProtocolBufferException {
      return PARSER.parseFrom(data, extensionRegistry);
    }

    public static com.google.cloud.dialogflow.v2beta1.ResponseMessage.MixedAudio parseFrom(
        java.io.InputStream input) throws java.io.IOException {
      return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
    }

    public static com.google.cloud.dialogflow.v2beta1.ResponseMessage.MixedAudio 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.dialogflow.v2beta1.ResponseMessage.MixedAudio parseDelimitedFrom(
        java.io.InputStream input) throws java.io.IOException {
      return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(PARSER, input);
    }

    public static com.google.cloud.dialogflow.v2beta1.ResponseMessage.MixedAudio 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.dialogflow.v2beta1.ResponseMessage.MixedAudio parseFrom(
        com.google.protobuf.CodedInputStream input) throws java.io.IOException {
      return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
    }

    public static com.google.cloud.dialogflow.v2beta1.ResponseMessage.MixedAudio 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.dialogflow.v2beta1.ResponseMessage.MixedAudio 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 an audio message that is composed of both segments
     * synthesized from the Dialogflow agent prompts and ones hosted externally
     * at the specified URIs.
     * </pre>
     *
     * Protobuf type {@code google.cloud.dialogflow.v2beta1.ResponseMessage.MixedAudio}
     */
    public static final class Builder
        extends com.google.protobuf.GeneratedMessageV3.Builder<Builder>
        implements
        // @@protoc_insertion_point(builder_implements:google.cloud.dialogflow.v2beta1.ResponseMessage.MixedAudio)
        com.google.cloud.dialogflow.v2beta1.ResponseMessage.MixedAudioOrBuilder {
      public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
        return com.google.cloud.dialogflow.v2beta1.ParticipantProto
            .internal_static_google_cloud_dialogflow_v2beta1_ResponseMessage_MixedAudio_descriptor;
      }

      @java.lang.Override
      protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
          internalGetFieldAccessorTable() {
        return com.google.cloud.dialogflow.v2beta1.ParticipantProto
            .internal_static_google_cloud_dialogflow_v2beta1_ResponseMessage_MixedAudio_fieldAccessorTable
            .ensureFieldAccessorsInitialized(
                com.google.cloud.dialogflow.v2beta1.ResponseMessage.MixedAudio.class,
                com.google.cloud.dialogflow.v2beta1.ResponseMessage.MixedAudio.Builder.class);
      }

      // Construct using com.google.cloud.dialogflow.v2beta1.ResponseMessage.MixedAudio.newBuilder()
      private Builder() {}

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

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

      @java.lang.Override
      public com.google.protobuf.Descriptors.Descriptor getDescriptorForType() {
        return com.google.cloud.dialogflow.v2beta1.ParticipantProto
            .internal_static_google_cloud_dialogflow_v2beta1_ResponseMessage_MixedAudio_descriptor;
      }

      @java.lang.Override
      public com.google.cloud.dialogflow.v2beta1.ResponseMessage.MixedAudio
          getDefaultInstanceForType() {
        return com.google.cloud.dialogflow.v2beta1.ResponseMessage.MixedAudio.getDefaultInstance();
      }

      @java.lang.Override
      public com.google.cloud.dialogflow.v2beta1.ResponseMessage.MixedAudio build() {
        com.google.cloud.dialogflow.v2beta1.ResponseMessage.MixedAudio result = buildPartial();
        if (!result.isInitialized()) {
          throw newUninitializedMessageException(result);
        }
        return result;
      }

      @java.lang.Override
      public com.google.cloud.dialogflow.v2beta1.ResponseMessage.MixedAudio buildPartial() {
        com.google.cloud.dialogflow.v2beta1.ResponseMessage.MixedAudio result =
            new com.google.cloud.dialogflow.v2beta1.ResponseMessage.MixedAudio(this);
        buildPartialRepeatedFields(result);
        if (bitField0_ != 0) {
          buildPartial0(result);
        }
        onBuilt();
        return result;
      }

      private void buildPartialRepeatedFields(
          com.google.cloud.dialogflow.v2beta1.ResponseMessage.MixedAudio result) {
        if (segmentsBuilder_ == null) {
          if (((bitField0_ & 0x00000001) != 0)) {
            segments_ = java.util.Collections.unmodifiableList(segments_);
            bitField0_ = (bitField0_ & ~0x00000001);
          }
          result.segments_ = segments_;
        } else {
          result.segments_ = segmentsBuilder_.build();
        }
      }

      private void buildPartial0(
          com.google.cloud.dialogflow.v2beta1.ResponseMessage.MixedAudio 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.dialogflow.v2beta1.ResponseMessage.MixedAudio) {
          return mergeFrom((com.google.cloud.dialogflow.v2beta1.ResponseMessage.MixedAudio) other);
        } else {
          super.mergeFrom(other);
          return this;
        }
      }

      public Builder mergeFrom(
          com.google.cloud.dialogflow.v2beta1.ResponseMessage.MixedAudio other) {
        if (other
            == com.google.cloud.dialogflow.v2beta1.ResponseMessage.MixedAudio.getDefaultInstance())
          return this;
        if (segmentsBuilder_ == null) {
          if (!other.segments_.isEmpty()) {
            if (segments_.isEmpty()) {
              segments_ = other.segments_;
              bitField0_ = (bitField0_ & ~0x00000001);
            } else {
              ensureSegmentsIsMutable();
              segments_.addAll(other.segments_);
            }
            onChanged();
          }
        } else {
          if (!other.segments_.isEmpty()) {
            if (segmentsBuilder_.isEmpty()) {
              segmentsBuilder_.dispose();
              segmentsBuilder_ = null;
              segments_ = other.segments_;
              bitField0_ = (bitField0_ & ~0x00000001);
              segmentsBuilder_ =
                  com.google.protobuf.GeneratedMessageV3.alwaysUseFieldBuilders
                      ? getSegmentsFieldBuilder()
                      : null;
            } else {
              segmentsBuilder_.addAllMessages(other.segments_);
            }
          }
        }
        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.dialogflow.v2beta1.ResponseMessage.MixedAudio.Segment m =
                      input.readMessage(
                          com.google.cloud.dialogflow.v2beta1.ResponseMessage.MixedAudio.Segment
                              .parser(),
                          extensionRegistry);
                  if (segmentsBuilder_ == null) {
                    ensureSegmentsIsMutable();
                    segments_.add(m);
                  } else {
                    segmentsBuilder_.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.dialogflow.v2beta1.ResponseMessage.MixedAudio.Segment>
          segments_ = java.util.Collections.emptyList();

      private void ensureSegmentsIsMutable() {
        if (!((bitField0_ & 0x00000001) != 0)) {
          segments_ =
              new java.util.ArrayList<
                  com.google.cloud.dialogflow.v2beta1.ResponseMessage.MixedAudio.Segment>(
                  segments_);
          bitField0_ |= 0x00000001;
        }
      }

      private com.google.protobuf.RepeatedFieldBuilderV3<
              com.google.cloud.dialogflow.v2beta1.ResponseMessage.MixedAudio.Segment,
              com.google.cloud.dialogflow.v2beta1.ResponseMessage.MixedAudio.Segment.Builder,
              com.google.cloud.dialogflow.v2beta1.ResponseMessage.MixedAudio.SegmentOrBuilder>
          segmentsBuilder_;

      /**
       *
       *
       * <pre>
       * Segments this audio response is composed of.
       * </pre>
       *
       * <code>
       * repeated .google.cloud.dialogflow.v2beta1.ResponseMessage.MixedAudio.Segment segments = 1;
       * </code>
       */
      public java.util.List<com.google.cloud.dialogflow.v2beta1.ResponseMessage.MixedAudio.Segment>
          getSegmentsList() {
        if (segmentsBuilder_ == null) {
          return java.util.Collections.unmodifiableList(segments_);
        } else {
          return segmentsBuilder_.getMessageList();
        }
      }
      /**
       *
       *
       * <pre>
       * Segments this audio response is composed of.
       * </pre>
       *
       * <code>
       * repeated .google.cloud.dialogflow.v2beta1.ResponseMessage.MixedAudio.Segment segments = 1;
       * </code>
       */
      public int getSegmentsCount() {
        if (segmentsBuilder_ == null) {
          return segments_.size();
        } else {
          return segmentsBuilder_.getCount();
        }
      }
      /**
       *
       *
       * <pre>
       * Segments this audio response is composed of.
       * </pre>
       *
       * <code>
       * repeated .google.cloud.dialogflow.v2beta1.ResponseMessage.MixedAudio.Segment segments = 1;
       * </code>
       */
      public com.google.cloud.dialogflow.v2beta1.ResponseMessage.MixedAudio.Segment getSegments(
          int index) {
        if (segmentsBuilder_ == null) {
          return segments_.get(index);
        } else {
          return segmentsBuilder_.getMessage(index);
        }
      }
      /**
       *
       *
       * <pre>
       * Segments this audio response is composed of.
       * </pre>
       *
       * <code>
       * repeated .google.cloud.dialogflow.v2beta1.ResponseMessage.MixedAudio.Segment segments = 1;
       * </code>
       */
      public Builder setSegments(
          int index, com.google.cloud.dialogflow.v2beta1.ResponseMessage.MixedAudio.Segment value) {
        if (segmentsBuilder_ == null) {
          if (value == null) {
            throw new NullPointerException();
          }
          ensureSegmentsIsMutable();
          segments_.set(index, value);
          onChanged();
        } else {
          segmentsBuilder_.setMessage(index, value);
        }
        return this;
      }
      /**
       *
       *
       * <pre>
       * Segments this audio response is composed of.
       * </pre>
       *
       * <code>
       * repeated .google.cloud.dialogflow.v2beta1.ResponseMessage.MixedAudio.Segment segments = 1;
       * </code>
       */
      public Builder setSegments(
          int index,
          com.google.cloud.dialogflow.v2beta1.ResponseMessage.MixedAudio.Segment.Builder
              builderForValue) {
        if (segmentsBuilder_ == null) {
          ensureSegmentsIsMutable();
          segments_.set(index, builderForValue.build());
          onChanged();
        } else {
          segmentsBuilder_.setMessage(index, builderForValue.build());
        }
        return this;
      }
      /**
       *
       *
       * <pre>
       * Segments this audio response is composed of.
       * </pre>
       *
       * <code>
       * repeated .google.cloud.dialogflow.v2beta1.ResponseMessage.MixedAudio.Segment segments = 1;
       * </code>
       */
      public Builder addSegments(
          com.google.cloud.dialogflow.v2beta1.ResponseMessage.MixedAudio.Segment value) {
        if (segmentsBuilder_ == null) {
          if (value == null) {
            throw new NullPointerException();
          }
          ensureSegmentsIsMutable();
          segments_.add(value);
          onChanged();
        } else {
          segmentsBuilder_.addMessage(value);
        }
        return this;
      }
      /**
       *
       *
       * <pre>
       * Segments this audio response is composed of.
       * </pre>
       *
       * <code>
       * repeated .google.cloud.dialogflow.v2beta1.ResponseMessage.MixedAudio.Segment segments = 1;
       * </code>
       */
      public Builder addSegments(
          int index, com.google.cloud.dialogflow.v2beta1.ResponseMessage.MixedAudio.Segment value) {
        if (segmentsBuilder_ == null) {
          if (value == null) {
            throw new NullPointerException();
          }
          ensureSegmentsIsMutable();
          segments_.add(index, value);
          onChanged();
        } else {
          segmentsBuilder_.addMessage(index, value);
        }
        return this;
      }
      /**
       *
       *
       * <pre>
       * Segments this audio response is composed of.
       * </pre>
       *
       * <code>
       * repeated .google.cloud.dialogflow.v2beta1.ResponseMessage.MixedAudio.Segment segments = 1;
       * </code>
       */
      public Builder addSegments(
          com.google.cloud.dialogflow.v2beta1.ResponseMessage.MixedAudio.Segment.Builder
              builderForValue) {
        if (segmentsBuilder_ == null) {
          ensureSegmentsIsMutable();
          segments_.add(builderForValue.build());
          onChanged();
        } else {
          segmentsBuilder_.addMessage(builderForValue.build());
        }
        return this;
      }
      /**
       *
       *
       * <pre>
       * Segments this audio response is composed of.
       * </pre>
       *
       * <code>
       * repeated .google.cloud.dialogflow.v2beta1.ResponseMessage.MixedAudio.Segment segments = 1;
       * </code>
       */
      public Builder addSegments(
          int index,
          com.google.cloud.dialogflow.v2beta1.ResponseMessage.MixedAudio.Segment.Builder
              builderForValue) {
        if (segmentsBuilder_ == null) {
          ensureSegmentsIsMutable();
          segments_.add(index, builderForValue.build());
          onChanged();
        } else {
          segmentsBuilder_.addMessage(index, builderForValue.build());
        }
        return this;
      }
      /**
       *
       *
       * <pre>
       * Segments this audio response is composed of.
       * </pre>
       *
       * <code>
       * repeated .google.cloud.dialogflow.v2beta1.ResponseMessage.MixedAudio.Segment segments = 1;
       * </code>
       */
      public Builder addAllSegments(
          java.lang.Iterable<
                  ? extends com.google.cloud.dialogflow.v2beta1.ResponseMessage.MixedAudio.Segment>
              values) {
        if (segmentsBuilder_ == null) {
          ensureSegmentsIsMutable();
          com.google.protobuf.AbstractMessageLite.Builder.addAll(values, segments_);
          onChanged();
        } else {
          segmentsBuilder_.addAllMessages(values);
        }
        return this;
      }
      /**
       *
       *
       * <pre>
       * Segments this audio response is composed of.
       * </pre>
       *
       * <code>
       * repeated .google.cloud.dialogflow.v2beta1.ResponseMessage.MixedAudio.Segment segments = 1;
       * </code>
       */
      public Builder clearSegments() {
        if (segmentsBuilder_ == null) {
          segments_ = java.util.Collections.emptyList();
          bitField0_ = (bitField0_ & ~0x00000001);
          onChanged();
        } else {
          segmentsBuilder_.clear();
        }
        return this;
      }
      /**
       *
       *
       * <pre>
       * Segments this audio response is composed of.
       * </pre>
       *
       * <code>
       * repeated .google.cloud.dialogflow.v2beta1.ResponseMessage.MixedAudio.Segment segments = 1;
       * </code>
       */
      public Builder removeSegments(int index) {
        if (segmentsBuilder_ == null) {
          ensureSegmentsIsMutable();
          segments_.remove(index);
          onChanged();
        } else {
          segmentsBuilder_.remove(index);
        }
        return this;
      }
      /**
       *
       *
       * <pre>
       * Segments this audio response is composed of.
       * </pre>
       *
       * <code>
       * repeated .google.cloud.dialogflow.v2beta1.ResponseMessage.MixedAudio.Segment segments = 1;
       * </code>
       */
      public com.google.cloud.dialogflow.v2beta1.ResponseMessage.MixedAudio.Segment.Builder
          getSegmentsBuilder(int index) {
        return getSegmentsFieldBuilder().getBuilder(index);
      }
      /**
       *
       *
       * <pre>
       * Segments this audio response is composed of.
       * </pre>
       *
       * <code>
       * repeated .google.cloud.dialogflow.v2beta1.ResponseMessage.MixedAudio.Segment segments = 1;
       * </code>
       */
      public com.google.cloud.dialogflow.v2beta1.ResponseMessage.MixedAudio.SegmentOrBuilder
          getSegmentsOrBuilder(int index) {
        if (segmentsBuilder_ == null) {
          return segments_.get(index);
        } else {
          return segmentsBuilder_.getMessageOrBuilder(index);
        }
      }
      /**
       *
       *
       * <pre>
       * Segments this audio response is composed of.
       * </pre>
       *
       * <code>
       * repeated .google.cloud.dialogflow.v2beta1.ResponseMessage.MixedAudio.Segment segments = 1;
       * </code>
       */
      public java.util.List<
              ? extends
                  com.google.cloud.dialogflow.v2beta1.ResponseMessage.MixedAudio.SegmentOrBuilder>
          getSegmentsOrBuilderList() {
        if (segmentsBuilder_ != null) {
          return segmentsBuilder_.getMessageOrBuilderList();
        } else {
          return java.util.Collections.unmodifiableList(segments_);
        }
      }
      /**
       *
       *
       * <pre>
       * Segments this audio response is composed of.
       * </pre>
       *
       * <code>
       * repeated .google.cloud.dialogflow.v2beta1.ResponseMessage.MixedAudio.Segment segments = 1;
       * </code>
       */
      public com.google.cloud.dialogflow.v2beta1.ResponseMessage.MixedAudio.Segment.Builder
          addSegmentsBuilder() {
        return getSegmentsFieldBuilder()
            .addBuilder(
                com.google.cloud.dialogflow.v2beta1.ResponseMessage.MixedAudio.Segment
                    .getDefaultInstance());
      }
      /**
       *
       *
       * <pre>
       * Segments this audio response is composed of.
       * </pre>
       *
       * <code>
       * repeated .google.cloud.dialogflow.v2beta1.ResponseMessage.MixedAudio.Segment segments = 1;
       * </code>
       */
      public com.google.cloud.dialogflow.v2beta1.ResponseMessage.MixedAudio.Segment.Builder
          addSegmentsBuilder(int index) {
        return getSegmentsFieldBuilder()
            .addBuilder(
                index,
                com.google.cloud.dialogflow.v2beta1.ResponseMessage.MixedAudio.Segment
                    .getDefaultInstance());
      }
      /**
       *
       *
       * <pre>
       * Segments this audio response is composed of.
       * </pre>
       *
       * <code>
       * repeated .google.cloud.dialogflow.v2beta1.ResponseMessage.MixedAudio.Segment segments = 1;
       * </code>
       */
      public java.util.List<
              com.google.cloud.dialogflow.v2beta1.ResponseMessage.MixedAudio.Segment.Builder>
          getSegmentsBuilderList() {
        return getSegmentsFieldBuilder().getBuilderList();
      }

      private com.google.protobuf.RepeatedFieldBuilderV3<
              com.google.cloud.dialogflow.v2beta1.ResponseMessage.MixedAudio.Segment,
              com.google.cloud.dialogflow.v2beta1.ResponseMessage.MixedAudio.Segment.Builder,
              com.google.cloud.dialogflow.v2beta1.ResponseMessage.MixedAudio.SegmentOrBuilder>
          getSegmentsFieldBuilder() {
        if (segmentsBuilder_ == null) {
          segmentsBuilder_ =
              new com.google.protobuf.RepeatedFieldBuilderV3<
                  com.google.cloud.dialogflow.v2beta1.ResponseMessage.MixedAudio.Segment,
                  com.google.cloud.dialogflow.v2beta1.ResponseMessage.MixedAudio.Segment.Builder,
                  com.google.cloud.dialogflow.v2beta1.ResponseMessage.MixedAudio.SegmentOrBuilder>(
                  segments_, ((bitField0_ & 0x00000001) != 0), getParentForChildren(), isClean());
          segments_ = null;
        }
        return segmentsBuilder_;
      }

      @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.dialogflow.v2beta1.ResponseMessage.MixedAudio)
    }

    // @@protoc_insertion_point(class_scope:google.cloud.dialogflow.v2beta1.ResponseMessage.MixedAudio)
    private static final com.google.cloud.dialogflow.v2beta1.ResponseMessage.MixedAudio
        DEFAULT_INSTANCE;

    static {
      DEFAULT_INSTANCE = new com.google.cloud.dialogflow.v2beta1.ResponseMessage.MixedAudio();
    }

    public static com.google.cloud.dialogflow.v2beta1.ResponseMessage.MixedAudio
        getDefaultInstance() {
      return DEFAULT_INSTANCE;
    }

    private static final com.google.protobuf.Parser<MixedAudio> PARSER =
        new com.google.protobuf.AbstractParser<MixedAudio>() {
          @java.lang.Override
          public MixedAudio 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<MixedAudio> parser() {
      return PARSER;
    }

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

    @java.lang.Override
    public com.google.cloud.dialogflow.v2beta1.ResponseMessage.MixedAudio
        getDefaultInstanceForType() {
      return DEFAULT_INSTANCE;
    }
  }

  public interface TelephonyTransferCallOrBuilder
      extends
      // @@protoc_insertion_point(interface_extends:google.cloud.dialogflow.v2beta1.ResponseMessage.TelephonyTransferCall)
      com.google.protobuf.MessageOrBuilder {

    /**
     *
     *
     * <pre>
     * Transfer the call to a phone number
     * in [E.164 format](https://en.wikipedia.org/wiki/E.164).
     * </pre>
     *
     * <code>string phone_number = 1;</code>
     *
     * @return Whether the phoneNumber field is set.
     */
    boolean hasPhoneNumber();
    /**
     *
     *
     * <pre>
     * Transfer the call to a phone number
     * in [E.164 format](https://en.wikipedia.org/wiki/E.164).
     * </pre>
     *
     * <code>string phone_number = 1;</code>
     *
     * @return The phoneNumber.
     */
    java.lang.String getPhoneNumber();
    /**
     *
     *
     * <pre>
     * Transfer the call to a phone number
     * in [E.164 format](https://en.wikipedia.org/wiki/E.164).
     * </pre>
     *
     * <code>string phone_number = 1;</code>
     *
     * @return The bytes for phoneNumber.
     */
    com.google.protobuf.ByteString getPhoneNumberBytes();

    /**
     *
     *
     * <pre>
     * Transfer the call to a SIP endpoint.
     * </pre>
     *
     * <code>string sip_uri = 2;</code>
     *
     * @return Whether the sipUri field is set.
     */
    boolean hasSipUri();
    /**
     *
     *
     * <pre>
     * Transfer the call to a SIP endpoint.
     * </pre>
     *
     * <code>string sip_uri = 2;</code>
     *
     * @return The sipUri.
     */
    java.lang.String getSipUri();
    /**
     *
     *
     * <pre>
     * Transfer the call to a SIP endpoint.
     * </pre>
     *
     * <code>string sip_uri = 2;</code>
     *
     * @return The bytes for sipUri.
     */
    com.google.protobuf.ByteString getSipUriBytes();

    public com.google.cloud.dialogflow.v2beta1.ResponseMessage.TelephonyTransferCall.EndpointCase
        getEndpointCase();
  }
  /**
   *
   *
   * <pre>
   * Represents the signal that telles the client to transfer the phone call
   * connected to the agent to a third-party endpoint.
   * </pre>
   *
   * Protobuf type {@code google.cloud.dialogflow.v2beta1.ResponseMessage.TelephonyTransferCall}
   */
  public static final class TelephonyTransferCall extends com.google.protobuf.GeneratedMessageV3
      implements
      // @@protoc_insertion_point(message_implements:google.cloud.dialogflow.v2beta1.ResponseMessage.TelephonyTransferCall)
      TelephonyTransferCallOrBuilder {
    private static final long serialVersionUID = 0L;
    // Use TelephonyTransferCall.newBuilder() to construct.
    private TelephonyTransferCall(com.google.protobuf.GeneratedMessageV3.Builder<?> builder) {
      super(builder);
    }

    private TelephonyTransferCall() {}

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

    @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.dialogflow.v2beta1.ParticipantProto
          .internal_static_google_cloud_dialogflow_v2beta1_ResponseMessage_TelephonyTransferCall_descriptor;
    }

    @java.lang.Override
    protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
        internalGetFieldAccessorTable() {
      return com.google.cloud.dialogflow.v2beta1.ParticipantProto
          .internal_static_google_cloud_dialogflow_v2beta1_ResponseMessage_TelephonyTransferCall_fieldAccessorTable
          .ensureFieldAccessorsInitialized(
              com.google.cloud.dialogflow.v2beta1.ResponseMessage.TelephonyTransferCall.class,
              com.google.cloud.dialogflow.v2beta1.ResponseMessage.TelephonyTransferCall.Builder
                  .class);
    }

    private int endpointCase_ = 0;
    private java.lang.Object endpoint_;

    public enum EndpointCase
        implements
            com.google.protobuf.Internal.EnumLite,
            com.google.protobuf.AbstractMessage.InternalOneOfEnum {
      PHONE_NUMBER(1),
      SIP_URI(2),
      ENDPOINT_NOT_SET(0);
      private final int value;

      private EndpointCase(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 EndpointCase valueOf(int value) {
        return forNumber(value);
      }

      public static EndpointCase forNumber(int value) {
        switch (value) {
          case 1:
            return PHONE_NUMBER;
          case 2:
            return SIP_URI;
          case 0:
            return ENDPOINT_NOT_SET;
          default:
            return null;
        }
      }

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

    public EndpointCase getEndpointCase() {
      return EndpointCase.forNumber(endpointCase_);
    }

    public static final int PHONE_NUMBER_FIELD_NUMBER = 1;
    /**
     *
     *
     * <pre>
     * Transfer the call to a phone number
     * in [E.164 format](https://en.wikipedia.org/wiki/E.164).
     * </pre>
     *
     * <code>string phone_number = 1;</code>
     *
     * @return Whether the phoneNumber field is set.
     */
    public boolean hasPhoneNumber() {
      return endpointCase_ == 1;
    }
    /**
     *
     *
     * <pre>
     * Transfer the call to a phone number
     * in [E.164 format](https://en.wikipedia.org/wiki/E.164).
     * </pre>
     *
     * <code>string phone_number = 1;</code>
     *
     * @return The phoneNumber.
     */
    public java.lang.String getPhoneNumber() {
      java.lang.Object ref = "";
      if (endpointCase_ == 1) {
        ref = endpoint_;
      }
      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 (endpointCase_ == 1) {
          endpoint_ = s;
        }
        return s;
      }
    }
    /**
     *
     *
     * <pre>
     * Transfer the call to a phone number
     * in [E.164 format](https://en.wikipedia.org/wiki/E.164).
     * </pre>
     *
     * <code>string phone_number = 1;</code>
     *
     * @return The bytes for phoneNumber.
     */
    public com.google.protobuf.ByteString getPhoneNumberBytes() {
      java.lang.Object ref = "";
      if (endpointCase_ == 1) {
        ref = endpoint_;
      }
      if (ref instanceof java.lang.String) {
        com.google.protobuf.ByteString b =
            com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
        if (endpointCase_ == 1) {
          endpoint_ = b;
        }
        return b;
      } else {
        return (com.google.protobuf.ByteString) ref;
      }
    }

    public static final int SIP_URI_FIELD_NUMBER = 2;
    /**
     *
     *
     * <pre>
     * Transfer the call to a SIP endpoint.
     * </pre>
     *
     * <code>string sip_uri = 2;</code>
     *
     * @return Whether the sipUri field is set.
     */
    public boolean hasSipUri() {
      return endpointCase_ == 2;
    }
    /**
     *
     *
     * <pre>
     * Transfer the call to a SIP endpoint.
     * </pre>
     *
     * <code>string sip_uri = 2;</code>
     *
     * @return The sipUri.
     */
    public java.lang.String getSipUri() {
      java.lang.Object ref = "";
      if (endpointCase_ == 2) {
        ref = endpoint_;
      }
      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 (endpointCase_ == 2) {
          endpoint_ = s;
        }
        return s;
      }
    }
    /**
     *
     *
     * <pre>
     * Transfer the call to a SIP endpoint.
     * </pre>
     *
     * <code>string sip_uri = 2;</code>
     *
     * @return The bytes for sipUri.
     */
    public com.google.protobuf.ByteString getSipUriBytes() {
      java.lang.Object ref = "";
      if (endpointCase_ == 2) {
        ref = endpoint_;
      }
      if (ref instanceof java.lang.String) {
        com.google.protobuf.ByteString b =
            com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
        if (endpointCase_ == 2) {
          endpoint_ = 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 (endpointCase_ == 1) {
        com.google.protobuf.GeneratedMessageV3.writeString(output, 1, endpoint_);
      }
      if (endpointCase_ == 2) {
        com.google.protobuf.GeneratedMessageV3.writeString(output, 2, endpoint_);
      }
      getUnknownFields().writeTo(output);
    }

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

      size = 0;
      if (endpointCase_ == 1) {
        size += com.google.protobuf.GeneratedMessageV3.computeStringSize(1, endpoint_);
      }
      if (endpointCase_ == 2) {
        size += com.google.protobuf.GeneratedMessageV3.computeStringSize(2, endpoint_);
      }
      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.dialogflow.v2beta1.ResponseMessage.TelephonyTransferCall)) {
        return super.equals(obj);
      }
      com.google.cloud.dialogflow.v2beta1.ResponseMessage.TelephonyTransferCall other =
          (com.google.cloud.dialogflow.v2beta1.ResponseMessage.TelephonyTransferCall) obj;

      if (!getEndpointCase().equals(other.getEndpointCase())) return false;
      switch (endpointCase_) {
        case 1:
          if (!getPhoneNumber().equals(other.getPhoneNumber())) return false;
          break;
        case 2:
          if (!getSipUri().equals(other.getSipUri())) 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();
      switch (endpointCase_) {
        case 1:
          hash = (37 * hash) + PHONE_NUMBER_FIELD_NUMBER;
          hash = (53 * hash) + getPhoneNumber().hashCode();
          break;
        case 2:
          hash = (37 * hash) + SIP_URI_FIELD_NUMBER;
          hash = (53 * hash) + getSipUri().hashCode();
          break;
        case 0:
        default:
      }
      hash = (29 * hash) + getUnknownFields().hashCode();
      memoizedHashCode = hash;
      return hash;
    }

    public static com.google.cloud.dialogflow.v2beta1.ResponseMessage.TelephonyTransferCall
        parseFrom(java.nio.ByteBuffer data)
            throws com.google.protobuf.InvalidProtocolBufferException {
      return PARSER.parseFrom(data);
    }

    public static com.google.cloud.dialogflow.v2beta1.ResponseMessage.TelephonyTransferCall
        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.dialogflow.v2beta1.ResponseMessage.TelephonyTransferCall
        parseFrom(com.google.protobuf.ByteString data)
            throws com.google.protobuf.InvalidProtocolBufferException {
      return PARSER.parseFrom(data);
    }

    public static com.google.cloud.dialogflow.v2beta1.ResponseMessage.TelephonyTransferCall
        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.dialogflow.v2beta1.ResponseMessage.TelephonyTransferCall
        parseFrom(byte[] data) throws com.google.protobuf.InvalidProtocolBufferException {
      return PARSER.parseFrom(data);
    }

    public static com.google.cloud.dialogflow.v2beta1.ResponseMessage.TelephonyTransferCall
        parseFrom(byte[] data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
            throws com.google.protobuf.InvalidProtocolBufferException {
      return PARSER.parseFrom(data, extensionRegistry);
    }

    public static com.google.cloud.dialogflow.v2beta1.ResponseMessage.TelephonyTransferCall
        parseFrom(java.io.InputStream input) throws java.io.IOException {
      return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
    }

    public static com.google.cloud.dialogflow.v2beta1.ResponseMessage.TelephonyTransferCall
        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.dialogflow.v2beta1.ResponseMessage.TelephonyTransferCall
        parseDelimitedFrom(java.io.InputStream input) throws java.io.IOException {
      return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(PARSER, input);
    }

    public static com.google.cloud.dialogflow.v2beta1.ResponseMessage.TelephonyTransferCall
        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.dialogflow.v2beta1.ResponseMessage.TelephonyTransferCall
        parseFrom(com.google.protobuf.CodedInputStream input) throws java.io.IOException {
      return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
    }

    public static com.google.cloud.dialogflow.v2beta1.ResponseMessage.TelephonyTransferCall
        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.dialogflow.v2beta1.ResponseMessage.TelephonyTransferCall 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 signal that telles the client to transfer the phone call
     * connected to the agent to a third-party endpoint.
     * </pre>
     *
     * Protobuf type {@code google.cloud.dialogflow.v2beta1.ResponseMessage.TelephonyTransferCall}
     */
    public static final class Builder
        extends com.google.protobuf.GeneratedMessageV3.Builder<Builder>
        implements
        // @@protoc_insertion_point(builder_implements:google.cloud.dialogflow.v2beta1.ResponseMessage.TelephonyTransferCall)
        com.google.cloud.dialogflow.v2beta1.ResponseMessage.TelephonyTransferCallOrBuilder {
      public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
        return com.google.cloud.dialogflow.v2beta1.ParticipantProto
            .internal_static_google_cloud_dialogflow_v2beta1_ResponseMessage_TelephonyTransferCall_descriptor;
      }

      @java.lang.Override
      protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
          internalGetFieldAccessorTable() {
        return com.google.cloud.dialogflow.v2beta1.ParticipantProto
            .internal_static_google_cloud_dialogflow_v2beta1_ResponseMessage_TelephonyTransferCall_fieldAccessorTable
            .ensureFieldAccessorsInitialized(
                com.google.cloud.dialogflow.v2beta1.ResponseMessage.TelephonyTransferCall.class,
                com.google.cloud.dialogflow.v2beta1.ResponseMessage.TelephonyTransferCall.Builder
                    .class);
      }

      // Construct using
      // com.google.cloud.dialogflow.v2beta1.ResponseMessage.TelephonyTransferCall.newBuilder()
      private Builder() {}

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

      @java.lang.Override
      public Builder clear() {
        super.clear();
        bitField0_ = 0;
        endpointCase_ = 0;
        endpoint_ = null;
        return this;
      }

      @java.lang.Override
      public com.google.protobuf.Descriptors.Descriptor getDescriptorForType() {
        return com.google.cloud.dialogflow.v2beta1.ParticipantProto
            .internal_static_google_cloud_dialogflow_v2beta1_ResponseMessage_TelephonyTransferCall_descriptor;
      }

      @java.lang.Override
      public com.google.cloud.dialogflow.v2beta1.ResponseMessage.TelephonyTransferCall
          getDefaultInstanceForType() {
        return com.google.cloud.dialogflow.v2beta1.ResponseMessage.TelephonyTransferCall
            .getDefaultInstance();
      }

      @java.lang.Override
      public com.google.cloud.dialogflow.v2beta1.ResponseMessage.TelephonyTransferCall build() {
        com.google.cloud.dialogflow.v2beta1.ResponseMessage.TelephonyTransferCall result =
            buildPartial();
        if (!result.isInitialized()) {
          throw newUninitializedMessageException(result);
        }
        return result;
      }

      @java.lang.Override
      public com.google.cloud.dialogflow.v2beta1.ResponseMessage.TelephonyTransferCall
          buildPartial() {
        com.google.cloud.dialogflow.v2beta1.ResponseMessage.TelephonyTransferCall result =
            new com.google.cloud.dialogflow.v2beta1.ResponseMessage.TelephonyTransferCall(this);
        if (bitField0_ != 0) {
          buildPartial0(result);
        }
        buildPartialOneofs(result);
        onBuilt();
        return result;
      }

      private void buildPartial0(
          com.google.cloud.dialogflow.v2beta1.ResponseMessage.TelephonyTransferCall result) {
        int from_bitField0_ = bitField0_;
      }

      private void buildPartialOneofs(
          com.google.cloud.dialogflow.v2beta1.ResponseMessage.TelephonyTransferCall result) {
        result.endpointCase_ = endpointCase_;
        result.endpoint_ = this.endpoint_;
      }

      @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.dialogflow.v2beta1.ResponseMessage.TelephonyTransferCall) {
          return mergeFrom(
              (com.google.cloud.dialogflow.v2beta1.ResponseMessage.TelephonyTransferCall) other);
        } else {
          super.mergeFrom(other);
          return this;
        }
      }

      public Builder mergeFrom(
          com.google.cloud.dialogflow.v2beta1.ResponseMessage.TelephonyTransferCall other) {
        if (other
            == com.google.cloud.dialogflow.v2beta1.ResponseMessage.TelephonyTransferCall
                .getDefaultInstance()) return this;
        switch (other.getEndpointCase()) {
          case PHONE_NUMBER:
            {
              endpointCase_ = 1;
              endpoint_ = other.endpoint_;
              onChanged();
              break;
            }
          case SIP_URI:
            {
              endpointCase_ = 2;
              endpoint_ = other.endpoint_;
              onChanged();
              break;
            }
          case ENDPOINT_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();
                  endpointCase_ = 1;
                  endpoint_ = s;
                  break;
                } // case 10
              case 18:
                {
                  java.lang.String s = input.readStringRequireUtf8();
                  endpointCase_ = 2;
                  endpoint_ = s;
                  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 endpointCase_ = 0;
      private java.lang.Object endpoint_;

      public EndpointCase getEndpointCase() {
        return EndpointCase.forNumber(endpointCase_);
      }

      public Builder clearEndpoint() {
        endpointCase_ = 0;
        endpoint_ = null;
        onChanged();
        return this;
      }

      private int bitField0_;

      /**
       *
       *
       * <pre>
       * Transfer the call to a phone number
       * in [E.164 format](https://en.wikipedia.org/wiki/E.164).
       * </pre>
       *
       * <code>string phone_number = 1;</code>
       *
       * @return Whether the phoneNumber field is set.
       */
      @java.lang.Override
      public boolean hasPhoneNumber() {
        return endpointCase_ == 1;
      }
      /**
       *
       *
       * <pre>
       * Transfer the call to a phone number
       * in [E.164 format](https://en.wikipedia.org/wiki/E.164).
       * </pre>
       *
       * <code>string phone_number = 1;</code>
       *
       * @return The phoneNumber.
       */
      @java.lang.Override
      public java.lang.String getPhoneNumber() {
        java.lang.Object ref = "";
        if (endpointCase_ == 1) {
          ref = endpoint_;
        }
        if (!(ref instanceof java.lang.String)) {
          com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
          java.lang.String s = bs.toStringUtf8();
          if (endpointCase_ == 1) {
            endpoint_ = s;
          }
          return s;
        } else {
          return (java.lang.String) ref;
        }
      }
      /**
       *
       *
       * <pre>
       * Transfer the call to a phone number
       * in [E.164 format](https://en.wikipedia.org/wiki/E.164).
       * </pre>
       *
       * <code>string phone_number = 1;</code>
       *
       * @return The bytes for phoneNumber.
       */
      @java.lang.Override
      public com.google.protobuf.ByteString getPhoneNumberBytes() {
        java.lang.Object ref = "";
        if (endpointCase_ == 1) {
          ref = endpoint_;
        }
        if (ref instanceof String) {
          com.google.protobuf.ByteString b =
              com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
          if (endpointCase_ == 1) {
            endpoint_ = b;
          }
          return b;
        } else {
          return (com.google.protobuf.ByteString) ref;
        }
      }
      /**
       *
       *
       * <pre>
       * Transfer the call to a phone number
       * in [E.164 format](https://en.wikipedia.org/wiki/E.164).
       * </pre>
       *
       * <code>string phone_number = 1;</code>
       *
       * @param value The phoneNumber to set.
       * @return This builder for chaining.
       */
      public Builder setPhoneNumber(java.lang.String value) {
        if (value == null) {
          throw new NullPointerException();
        }
        endpointCase_ = 1;
        endpoint_ = value;
        onChanged();
        return this;
      }
      /**
       *
       *
       * <pre>
       * Transfer the call to a phone number
       * in [E.164 format](https://en.wikipedia.org/wiki/E.164).
       * </pre>
       *
       * <code>string phone_number = 1;</code>
       *
       * @return This builder for chaining.
       */
      public Builder clearPhoneNumber() {
        if (endpointCase_ == 1) {
          endpointCase_ = 0;
          endpoint_ = null;
          onChanged();
        }
        return this;
      }
      /**
       *
       *
       * <pre>
       * Transfer the call to a phone number
       * in [E.164 format](https://en.wikipedia.org/wiki/E.164).
       * </pre>
       *
       * <code>string phone_number = 1;</code>
       *
       * @param value The bytes for phoneNumber to set.
       * @return This builder for chaining.
       */
      public Builder setPhoneNumberBytes(com.google.protobuf.ByteString value) {
        if (value == null) {
          throw new NullPointerException();
        }
        checkByteStringIsUtf8(value);
        endpointCase_ = 1;
        endpoint_ = value;
        onChanged();
        return this;
      }

      /**
       *
       *
       * <pre>
       * Transfer the call to a SIP endpoint.
       * </pre>
       *
       * <code>string sip_uri = 2;</code>
       *
       * @return Whether the sipUri field is set.
       */
      @java.lang.Override
      public boolean hasSipUri() {
        return endpointCase_ == 2;
      }
      /**
       *
       *
       * <pre>
       * Transfer the call to a SIP endpoint.
       * </pre>
       *
       * <code>string sip_uri = 2;</code>
       *
       * @return The sipUri.
       */
      @java.lang.Override
      public java.lang.String getSipUri() {
        java.lang.Object ref = "";
        if (endpointCase_ == 2) {
          ref = endpoint_;
        }
        if (!(ref instanceof java.lang.String)) {
          com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
          java.lang.String s = bs.toStringUtf8();
          if (endpointCase_ == 2) {
            endpoint_ = s;
          }
          return s;
        } else {
          return (java.lang.String) ref;
        }
      }
      /**
       *
       *
       * <pre>
       * Transfer the call to a SIP endpoint.
       * </pre>
       *
       * <code>string sip_uri = 2;</code>
       *
       * @return The bytes for sipUri.
       */
      @java.lang.Override
      public com.google.protobuf.ByteString getSipUriBytes() {
        java.lang.Object ref = "";
        if (endpointCase_ == 2) {
          ref = endpoint_;
        }
        if (ref instanceof String) {
          com.google.protobuf.ByteString b =
              com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
          if (endpointCase_ == 2) {
            endpoint_ = b;
          }
          return b;
        } else {
          return (com.google.protobuf.ByteString) ref;
        }
      }
      /**
       *
       *
       * <pre>
       * Transfer the call to a SIP endpoint.
       * </pre>
       *
       * <code>string sip_uri = 2;</code>
       *
       * @param value The sipUri to set.
       * @return This builder for chaining.
       */
      public Builder setSipUri(java.lang.String value) {
        if (value == null) {
          throw new NullPointerException();
        }
        endpointCase_ = 2;
        endpoint_ = value;
        onChanged();
        return this;
      }
      /**
       *
       *
       * <pre>
       * Transfer the call to a SIP endpoint.
       * </pre>
       *
       * <code>string sip_uri = 2;</code>
       *
       * @return This builder for chaining.
       */
      public Builder clearSipUri() {
        if (endpointCase_ == 2) {
          endpointCase_ = 0;
          endpoint_ = null;
          onChanged();
        }
        return this;
      }
      /**
       *
       *
       * <pre>
       * Transfer the call to a SIP endpoint.
       * </pre>
       *
       * <code>string sip_uri = 2;</code>
       *
       * @param value The bytes for sipUri to set.
       * @return This builder for chaining.
       */
      public Builder setSipUriBytes(com.google.protobuf.ByteString value) {
        if (value == null) {
          throw new NullPointerException();
        }
        checkByteStringIsUtf8(value);
        endpointCase_ = 2;
        endpoint_ = 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.dialogflow.v2beta1.ResponseMessage.TelephonyTransferCall)
    }

    // @@protoc_insertion_point(class_scope:google.cloud.dialogflow.v2beta1.ResponseMessage.TelephonyTransferCall)
    private static final com.google.cloud.dialogflow.v2beta1.ResponseMessage.TelephonyTransferCall
        DEFAULT_INSTANCE;

    static {
      DEFAULT_INSTANCE =
          new com.google.cloud.dialogflow.v2beta1.ResponseMessage.TelephonyTransferCall();
    }

    public static com.google.cloud.dialogflow.v2beta1.ResponseMessage.TelephonyTransferCall
        getDefaultInstance() {
      return DEFAULT_INSTANCE;
    }

    private static final com.google.protobuf.Parser<TelephonyTransferCall> PARSER =
        new com.google.protobuf.AbstractParser<TelephonyTransferCall>() {
          @java.lang.Override
          public TelephonyTransferCall 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<TelephonyTransferCall> parser() {
      return PARSER;
    }

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

    @java.lang.Override
    public com.google.cloud.dialogflow.v2beta1.ResponseMessage.TelephonyTransferCall
        getDefaultInstanceForType() {
      return DEFAULT_INSTANCE;
    }
  }

  private int messageCase_ = 0;
  private java.lang.Object message_;

  public enum MessageCase
      implements
          com.google.protobuf.Internal.EnumLite,
          com.google.protobuf.AbstractMessage.InternalOneOfEnum {
    TEXT(1),
    PAYLOAD(2),
    LIVE_AGENT_HANDOFF(3),
    END_INTERACTION(4),
    MIXED_AUDIO(5),
    TELEPHONY_TRANSFER_CALL(6),
    MESSAGE_NOT_SET(0);
    private final int value;

    private MessageCase(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 MessageCase valueOf(int value) {
      return forNumber(value);
    }

    public static MessageCase forNumber(int value) {
      switch (value) {
        case 1:
          return TEXT;
        case 2:
          return PAYLOAD;
        case 3:
          return LIVE_AGENT_HANDOFF;
        case 4:
          return END_INTERACTION;
        case 5:
          return MIXED_AUDIO;
        case 6:
          return TELEPHONY_TRANSFER_CALL;
        case 0:
          return MESSAGE_NOT_SET;
        default:
          return null;
      }
    }

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

  public MessageCase getMessageCase() {
    return MessageCase.forNumber(messageCase_);
  }

  public static final int TEXT_FIELD_NUMBER = 1;
  /**
   *
   *
   * <pre>
   * Returns a text response.
   * </pre>
   *
   * <code>.google.cloud.dialogflow.v2beta1.ResponseMessage.Text text = 1;</code>
   *
   * @return Whether the text field is set.
   */
  @java.lang.Override
  public boolean hasText() {
    return messageCase_ == 1;
  }
  /**
   *
   *
   * <pre>
   * Returns a text response.
   * </pre>
   *
   * <code>.google.cloud.dialogflow.v2beta1.ResponseMessage.Text text = 1;</code>
   *
   * @return The text.
   */
  @java.lang.Override
  public com.google.cloud.dialogflow.v2beta1.ResponseMessage.Text getText() {
    if (messageCase_ == 1) {
      return (com.google.cloud.dialogflow.v2beta1.ResponseMessage.Text) message_;
    }
    return com.google.cloud.dialogflow.v2beta1.ResponseMessage.Text.getDefaultInstance();
  }
  /**
   *
   *
   * <pre>
   * Returns a text response.
   * </pre>
   *
   * <code>.google.cloud.dialogflow.v2beta1.ResponseMessage.Text text = 1;</code>
   */
  @java.lang.Override
  public com.google.cloud.dialogflow.v2beta1.ResponseMessage.TextOrBuilder getTextOrBuilder() {
    if (messageCase_ == 1) {
      return (com.google.cloud.dialogflow.v2beta1.ResponseMessage.Text) message_;
    }
    return com.google.cloud.dialogflow.v2beta1.ResponseMessage.Text.getDefaultInstance();
  }

  public static final int PAYLOAD_FIELD_NUMBER = 2;
  /**
   *
   *
   * <pre>
   * Returns a response containing a custom, platform-specific payload.
   * </pre>
   *
   * <code>.google.protobuf.Struct payload = 2;</code>
   *
   * @return Whether the payload field is set.
   */
  @java.lang.Override
  public boolean hasPayload() {
    return messageCase_ == 2;
  }
  /**
   *
   *
   * <pre>
   * Returns a response containing a custom, platform-specific payload.
   * </pre>
   *
   * <code>.google.protobuf.Struct payload = 2;</code>
   *
   * @return The payload.
   */
  @java.lang.Override
  public com.google.protobuf.Struct getPayload() {
    if (messageCase_ == 2) {
      return (com.google.protobuf.Struct) message_;
    }
    return com.google.protobuf.Struct.getDefaultInstance();
  }
  /**
   *
   *
   * <pre>
   * Returns a response containing a custom, platform-specific payload.
   * </pre>
   *
   * <code>.google.protobuf.Struct payload = 2;</code>
   */
  @java.lang.Override
  public com.google.protobuf.StructOrBuilder getPayloadOrBuilder() {
    if (messageCase_ == 2) {
      return (com.google.protobuf.Struct) message_;
    }
    return com.google.protobuf.Struct.getDefaultInstance();
  }

  public static final int LIVE_AGENT_HANDOFF_FIELD_NUMBER = 3;
  /**
   *
   *
   * <pre>
   * Hands off conversation to a live agent.
   * </pre>
   *
   * <code>.google.cloud.dialogflow.v2beta1.ResponseMessage.LiveAgentHandoff live_agent_handoff = 3;
   * </code>
   *
   * @return Whether the liveAgentHandoff field is set.
   */
  @java.lang.Override
  public boolean hasLiveAgentHandoff() {
    return messageCase_ == 3;
  }
  /**
   *
   *
   * <pre>
   * Hands off conversation to a live agent.
   * </pre>
   *
   * <code>.google.cloud.dialogflow.v2beta1.ResponseMessage.LiveAgentHandoff live_agent_handoff = 3;
   * </code>
   *
   * @return The liveAgentHandoff.
   */
  @java.lang.Override
  public com.google.cloud.dialogflow.v2beta1.ResponseMessage.LiveAgentHandoff
      getLiveAgentHandoff() {
    if (messageCase_ == 3) {
      return (com.google.cloud.dialogflow.v2beta1.ResponseMessage.LiveAgentHandoff) message_;
    }
    return com.google.cloud.dialogflow.v2beta1.ResponseMessage.LiveAgentHandoff
        .getDefaultInstance();
  }
  /**
   *
   *
   * <pre>
   * Hands off conversation to a live agent.
   * </pre>
   *
   * <code>.google.cloud.dialogflow.v2beta1.ResponseMessage.LiveAgentHandoff live_agent_handoff = 3;
   * </code>
   */
  @java.lang.Override
  public com.google.cloud.dialogflow.v2beta1.ResponseMessage.LiveAgentHandoffOrBuilder
      getLiveAgentHandoffOrBuilder() {
    if (messageCase_ == 3) {
      return (com.google.cloud.dialogflow.v2beta1.ResponseMessage.LiveAgentHandoff) message_;
    }
    return com.google.cloud.dialogflow.v2beta1.ResponseMessage.LiveAgentHandoff
        .getDefaultInstance();
  }

  public static final int END_INTERACTION_FIELD_NUMBER = 4;
  /**
   *
   *
   * <pre>
   * A signal that indicates the interaction with the Dialogflow agent has
   * ended.
   * </pre>
   *
   * <code>.google.cloud.dialogflow.v2beta1.ResponseMessage.EndInteraction end_interaction = 4;
   * </code>
   *
   * @return Whether the endInteraction field is set.
   */
  @java.lang.Override
  public boolean hasEndInteraction() {
    return messageCase_ == 4;
  }
  /**
   *
   *
   * <pre>
   * A signal that indicates the interaction with the Dialogflow agent has
   * ended.
   * </pre>
   *
   * <code>.google.cloud.dialogflow.v2beta1.ResponseMessage.EndInteraction end_interaction = 4;
   * </code>
   *
   * @return The endInteraction.
   */
  @java.lang.Override
  public com.google.cloud.dialogflow.v2beta1.ResponseMessage.EndInteraction getEndInteraction() {
    if (messageCase_ == 4) {
      return (com.google.cloud.dialogflow.v2beta1.ResponseMessage.EndInteraction) message_;
    }
    return com.google.cloud.dialogflow.v2beta1.ResponseMessage.EndInteraction.getDefaultInstance();
  }
  /**
   *
   *
   * <pre>
   * A signal that indicates the interaction with the Dialogflow agent has
   * ended.
   * </pre>
   *
   * <code>.google.cloud.dialogflow.v2beta1.ResponseMessage.EndInteraction end_interaction = 4;
   * </code>
   */
  @java.lang.Override
  public com.google.cloud.dialogflow.v2beta1.ResponseMessage.EndInteractionOrBuilder
      getEndInteractionOrBuilder() {
    if (messageCase_ == 4) {
      return (com.google.cloud.dialogflow.v2beta1.ResponseMessage.EndInteraction) message_;
    }
    return com.google.cloud.dialogflow.v2beta1.ResponseMessage.EndInteraction.getDefaultInstance();
  }

  public static final int MIXED_AUDIO_FIELD_NUMBER = 5;
  /**
   *
   *
   * <pre>
   * An audio response message composed of both the synthesized Dialogflow
   * agent responses and the audios hosted in places known to the client.
   * </pre>
   *
   * <code>.google.cloud.dialogflow.v2beta1.ResponseMessage.MixedAudio mixed_audio = 5;</code>
   *
   * @return Whether the mixedAudio field is set.
   */
  @java.lang.Override
  public boolean hasMixedAudio() {
    return messageCase_ == 5;
  }
  /**
   *
   *
   * <pre>
   * An audio response message composed of both the synthesized Dialogflow
   * agent responses and the audios hosted in places known to the client.
   * </pre>
   *
   * <code>.google.cloud.dialogflow.v2beta1.ResponseMessage.MixedAudio mixed_audio = 5;</code>
   *
   * @return The mixedAudio.
   */
  @java.lang.Override
  public com.google.cloud.dialogflow.v2beta1.ResponseMessage.MixedAudio getMixedAudio() {
    if (messageCase_ == 5) {
      return (com.google.cloud.dialogflow.v2beta1.ResponseMessage.MixedAudio) message_;
    }
    return com.google.cloud.dialogflow.v2beta1.ResponseMessage.MixedAudio.getDefaultInstance();
  }
  /**
   *
   *
   * <pre>
   * An audio response message composed of both the synthesized Dialogflow
   * agent responses and the audios hosted in places known to the client.
   * </pre>
   *
   * <code>.google.cloud.dialogflow.v2beta1.ResponseMessage.MixedAudio mixed_audio = 5;</code>
   */
  @java.lang.Override
  public com.google.cloud.dialogflow.v2beta1.ResponseMessage.MixedAudioOrBuilder
      getMixedAudioOrBuilder() {
    if (messageCase_ == 5) {
      return (com.google.cloud.dialogflow.v2beta1.ResponseMessage.MixedAudio) message_;
    }
    return com.google.cloud.dialogflow.v2beta1.ResponseMessage.MixedAudio.getDefaultInstance();
  }

  public static final int TELEPHONY_TRANSFER_CALL_FIELD_NUMBER = 6;
  /**
   *
   *
   * <pre>
   * A signal that the client should transfer the phone call connected to
   * this agent to a third-party endpoint.
   * </pre>
   *
   * <code>
   * .google.cloud.dialogflow.v2beta1.ResponseMessage.TelephonyTransferCall telephony_transfer_call = 6;
   * </code>
   *
   * @return Whether the telephonyTransferCall field is set.
   */
  @java.lang.Override
  public boolean hasTelephonyTransferCall() {
    return messageCase_ == 6;
  }
  /**
   *
   *
   * <pre>
   * A signal that the client should transfer the phone call connected to
   * this agent to a third-party endpoint.
   * </pre>
   *
   * <code>
   * .google.cloud.dialogflow.v2beta1.ResponseMessage.TelephonyTransferCall telephony_transfer_call = 6;
   * </code>
   *
   * @return The telephonyTransferCall.
   */
  @java.lang.Override
  public com.google.cloud.dialogflow.v2beta1.ResponseMessage.TelephonyTransferCall
      getTelephonyTransferCall() {
    if (messageCase_ == 6) {
      return (com.google.cloud.dialogflow.v2beta1.ResponseMessage.TelephonyTransferCall) message_;
    }
    return com.google.cloud.dialogflow.v2beta1.ResponseMessage.TelephonyTransferCall
        .getDefaultInstance();
  }
  /**
   *
   *
   * <pre>
   * A signal that the client should transfer the phone call connected to
   * this agent to a third-party endpoint.
   * </pre>
   *
   * <code>
   * .google.cloud.dialogflow.v2beta1.ResponseMessage.TelephonyTransferCall telephony_transfer_call = 6;
   * </code>
   */
  @java.lang.Override
  public com.google.cloud.dialogflow.v2beta1.ResponseMessage.TelephonyTransferCallOrBuilder
      getTelephonyTransferCallOrBuilder() {
    if (messageCase_ == 6) {
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  public static com.google.cloud.dialogflow.v2beta1.ResponseMessage parseFrom(
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    return PARSER.parseFrom(data, extensionRegistry);
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  public static com.google.cloud.dialogflow.v2beta1.ResponseMessage parseFrom(
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    return PARSER.parseFrom(data);
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  public static com.google.cloud.dialogflow.v2beta1.ResponseMessage parseFrom(
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      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
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  public static com.google.cloud.dialogflow.v2beta1.ResponseMessage parseFrom(byte[] data)
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    return PARSER.parseFrom(data);
  }

  public static com.google.cloud.dialogflow.v2beta1.ResponseMessage parseFrom(
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    return PARSER.parseFrom(data, extensionRegistry);
  }

  public static com.google.cloud.dialogflow.v2beta1.ResponseMessage parseFrom(
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    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
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  public static com.google.cloud.dialogflow.v2beta1.ResponseMessage parseFrom(
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    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
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  public static com.google.cloud.dialogflow.v2beta1.ResponseMessage parseDelimitedFrom(
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  public static com.google.cloud.dialogflow.v2beta1.ResponseMessage parseFrom(
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    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
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  public static com.google.cloud.dialogflow.v2beta1.ResponseMessage parseFrom(
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      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
      throws java.io.IOException {
    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
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  @java.lang.Override
  public Builder newBuilderForType() {
    return newBuilder();
  }

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

  public static Builder newBuilder(com.google.cloud.dialogflow.v2beta1.ResponseMessage prototype) {
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  public Builder toBuilder() {
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  }

  @java.lang.Override
  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
    Builder builder = new Builder(parent);
    return builder;
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  /**
   *
   *
   * <pre>
   * Response messages from an automated agent.
   * </pre>
   *
   * Protobuf type {@code google.cloud.dialogflow.v2beta1.ResponseMessage}
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  public static final class Builder extends com.google.protobuf.GeneratedMessageV3.Builder<Builder>
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      // @@protoc_insertion_point(builder_implements:google.cloud.dialogflow.v2beta1.ResponseMessage)
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    private Builder(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
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    public Builder clear() {
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      if (textBuilder_ != null) {
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      if (payloadBuilder_ != null) {
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      if (endInteractionBuilder_ != null) {
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      if (mixedAudioBuilder_ != null) {
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      }
      if (telephonyTransferCallBuilder_ != null) {
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      }
      messageCase_ = 0;
      message_ = null;
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    @java.lang.Override
    public com.google.protobuf.Descriptors.Descriptor getDescriptorForType() {
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    @java.lang.Override
    public com.google.cloud.dialogflow.v2beta1.ResponseMessage getDefaultInstanceForType() {
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    public com.google.cloud.dialogflow.v2beta1.ResponseMessage build() {
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      if (!result.isInitialized()) {
        throw newUninitializedMessageException(result);
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      return result;
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    @java.lang.Override
    public com.google.cloud.dialogflow.v2beta1.ResponseMessage buildPartial() {
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        buildPartial0(result);
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      buildPartialOneofs(result);
      onBuilt();
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      if (messageCase_ == 5 && mixedAudioBuilder_ != null) {
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    public Builder setField(
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    @java.lang.Override
    public Builder addRepeatedField(
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      return super.addRepeatedField(field, value);
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    @java.lang.Override
    public Builder mergeFrom(com.google.protobuf.Message other) {
      if (other instanceof com.google.cloud.dialogflow.v2beta1.ResponseMessage) {
        return mergeFrom((com.google.cloud.dialogflow.v2beta1.ResponseMessage) other);
      } else {
        super.mergeFrom(other);
        return this;
      }
    }

    public Builder mergeFrom(com.google.cloud.dialogflow.v2beta1.ResponseMessage other) {
      if (other == com.google.cloud.dialogflow.v2beta1.ResponseMessage.getDefaultInstance())
        return this;
      switch (other.getMessageCase()) {
        case TEXT:
          {
            mergeText(other.getText());
            break;
          }
        case PAYLOAD:
          {
            mergePayload(other.getPayload());
            break;
          }
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          {
            mergeLiveAgentHandoff(other.getLiveAgentHandoff());
            break;
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        case MIXED_AUDIO:
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            mergeMixedAudio(other.getMixedAudio());
            break;
          }
        case TELEPHONY_TRANSFER_CALL:
          {
            mergeTelephonyTransferCall(other.getTelephonyTransferCall());
            break;
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        case MESSAGE_NOT_SET:
          {
            break;
          }
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      this.mergeUnknownFields(other.getUnknownFields());
      onChanged();
      return this;
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    @java.lang.Override
    public final boolean isInitialized() {
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    @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();
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      try {
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        while (!done) {
          int tag = input.readTag();
          switch (tag) {
            case 0:
              done = true;
              break;
            case 10:
              {
                input.readMessage(getTextFieldBuilder().getBuilder(), extensionRegistry);
                messageCase_ = 1;
                break;
              } // case 10
            case 18:
              {
                input.readMessage(getPayloadFieldBuilder().getBuilder(), extensionRegistry);
                messageCase_ = 2;
                break;
              } // case 18
            case 26:
              {
                input.readMessage(
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                messageCase_ = 3;
                break;
              } // case 26
            case 34:
              {
                input.readMessage(getEndInteractionFieldBuilder().getBuilder(), extensionRegistry);
                messageCase_ = 4;
                break;
              } // case 34
            case 42:
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                messageCase_ = 5;
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            case 50:
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                messageCase_ = 6;
                break;
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        } // while (!done)
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        onChanged();
      } // finally
      return this;
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    private java.lang.Object message_;

    public MessageCase getMessageCase() {
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    }

    public Builder clearMessage() {
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      message_ = null;
      onChanged();
      return this;
    }

    private int bitField0_;

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    /**
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     *
     * <pre>
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     *
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    /**
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    /**
     *
     *
     * <pre>
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     * </pre>
     *
     * <code>.google.cloud.dialogflow.v2beta1.ResponseMessage.Text text = 1;</code>
     */
    public Builder setText(com.google.cloud.dialogflow.v2beta1.ResponseMessage.Text value) {
      if (textBuilder_ == null) {
        if (value == null) {
          throw new NullPointerException();
        }
        message_ = value;
        onChanged();
      } else {
        textBuilder_.setMessage(value);
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      messageCase_ = 1;
      return this;
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    /**
     *
     *
     * <pre>
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     * </pre>
     *
     * <code>.google.cloud.dialogflow.v2beta1.ResponseMessage.Text text = 1;</code>
     */
    public Builder setText(
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        message_ = builderForValue.build();
        onChanged();
      } else {
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      messageCase_ = 1;
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    /**
     *
     *
     * <pre>
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     */
    public Builder mergeText(com.google.cloud.dialogflow.v2beta1.ResponseMessage.Text value) {
      if (textBuilder_ == null) {
        if (messageCase_ == 1
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                      (com.google.cloud.dialogflow.v2beta1.ResponseMessage.Text) message_)
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                  .buildPartial();
        } else {
          message_ = value;
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        onChanged();
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        if (messageCase_ == 1) {
          textBuilder_.mergeFrom(value);
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          textBuilder_.setMessage(value);
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      messageCase_ = 1;
      return this;
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    /**
     *
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     * <pre>
     * Returns a text response.
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     */
    public Builder clearText() {
      if (textBuilder_ == null) {
        if (messageCase_ == 1) {
          messageCase_ = 0;
          message_ = null;
          onChanged();
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      } else {
        if (messageCase_ == 1) {
          messageCase_ = 0;
          message_ = null;
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        textBuilder_.clear();
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      return this;
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    /**
     *
     *
     * <pre>
     * Returns a text response.
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     *
     * <code>.google.cloud.dialogflow.v2beta1.ResponseMessage.Text text = 1;</code>
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    public com.google.cloud.dialogflow.v2beta1.ResponseMessage.Text.Builder getTextBuilder() {
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    /**
     *
     *
     * <pre>
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     *
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     */
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    public com.google.cloud.dialogflow.v2beta1.ResponseMessage.TextOrBuilder getTextOrBuilder() {
      if ((messageCase_ == 1) && (textBuilder_ != null)) {
        return textBuilder_.getMessageOrBuilder();
      } else {
        if (messageCase_ == 1) {
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    /**
     *
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     * <pre>
     * Returns a text response.
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     * <code>.google.cloud.dialogflow.v2beta1.ResponseMessage.Text text = 1;</code>
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        if (!(messageCase_ == 1)) {
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        message_ = null;
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      return textBuilder_;
    }

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    /**
     *
     *
     * <pre>
     * Returns a response containing a custom, platform-specific payload.
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     *
     * <code>.google.protobuf.Struct payload = 2;</code>
     *
     * @return Whether the payload field is set.
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     *
     *
     * <pre>
     * Returns a response containing a custom, platform-specific payload.
     * </pre>
     *
     * <code>.google.protobuf.Struct payload = 2;</code>
     *
     * @return The payload.
     */
    @java.lang.Override
    public com.google.protobuf.Struct getPayload() {
      if (payloadBuilder_ == null) {
        if (messageCase_ == 2) {
          return (com.google.protobuf.Struct) message_;
        }
        return com.google.protobuf.Struct.getDefaultInstance();
      } else {
        if (messageCase_ == 2) {
          return payloadBuilder_.getMessage();
        }
        return com.google.protobuf.Struct.getDefaultInstance();
      }
    }
    /**
     *
     *
     * <pre>
     * Returns a response containing a custom, platform-specific payload.
     * </pre>
     *
     * <code>.google.protobuf.Struct payload = 2;</code>
     */
    public Builder setPayload(com.google.protobuf.Struct value) {
      if (payloadBuilder_ == null) {
        if (value == null) {
          throw new NullPointerException();
        }
        message_ = value;
        onChanged();
      } else {
        payloadBuilder_.setMessage(value);
      }
      messageCase_ = 2;
      return this;
    }
    /**
     *
     *
     * <pre>
     * Returns a response containing a custom, platform-specific payload.
     * </pre>
     *
     * <code>.google.protobuf.Struct payload = 2;</code>
     */
    public Builder setPayload(com.google.protobuf.Struct.Builder builderForValue) {
      if (payloadBuilder_ == null) {
        message_ = builderForValue.build();
        onChanged();
      } else {
        payloadBuilder_.setMessage(builderForValue.build());
      }
      messageCase_ = 2;
      return this;
    }
    /**
     *
     *
     * <pre>
     * Returns a response containing a custom, platform-specific payload.
     * </pre>
     *
     * <code>.google.protobuf.Struct payload = 2;</code>
     */
    public Builder mergePayload(com.google.protobuf.Struct value) {
      if (payloadBuilder_ == null) {
        if (messageCase_ == 2 && message_ != com.google.protobuf.Struct.getDefaultInstance()) {
          message_ =
              com.google.protobuf.Struct.newBuilder((com.google.protobuf.Struct) message_)
                  .mergeFrom(value)
                  .buildPartial();
        } else {
          message_ = value;
        }
        onChanged();
      } else {
        if (messageCase_ == 2) {
          payloadBuilder_.mergeFrom(value);
        } else {
          payloadBuilder_.setMessage(value);
        }
      }
      messageCase_ = 2;
      return this;
    }
    /**
     *
     *
     * <pre>
     * Returns a response containing a custom, platform-specific payload.
     * </pre>
     *
     * <code>.google.protobuf.Struct payload = 2;</code>
     */
    public Builder clearPayload() {
      if (payloadBuilder_ == null) {
        if (messageCase_ == 2) {
          messageCase_ = 0;
          message_ = null;
          onChanged();
        }
      } else {
        if (messageCase_ == 2) {
          messageCase_ = 0;
          message_ = null;
        }
        payloadBuilder_.clear();
      }
      return this;
    }
    /**
     *
     *
     * <pre>
     * Returns a response containing a custom, platform-specific payload.
     * </pre>
     *
     * <code>.google.protobuf.Struct payload = 2;</code>
     */
    public com.google.protobuf.Struct.Builder getPayloadBuilder() {
      return getPayloadFieldBuilder().getBuilder();
    }
    /**
     *
     *
     * <pre>
     * Returns a response containing a custom, platform-specific payload.
     * </pre>
     *
     * <code>.google.protobuf.Struct payload = 2;</code>
     */
    @java.lang.Override
    public com.google.protobuf.StructOrBuilder getPayloadOrBuilder() {
      if ((messageCase_ == 2) && (payloadBuilder_ != null)) {
        return payloadBuilder_.getMessageOrBuilder();
      } else {
        if (messageCase_ == 2) {
          return (com.google.protobuf.Struct) message_;
        }
        return com.google.protobuf.Struct.getDefaultInstance();
      }
    }
    /**
     *
     *
     * <pre>
     * Returns a response containing a custom, platform-specific payload.
     * </pre>
     *
     * <code>.google.protobuf.Struct payload = 2;</code>
     */
    private com.google.protobuf.SingleFieldBuilderV3<
            com.google.protobuf.Struct,
            com.google.protobuf.Struct.Builder,
            com.google.protobuf.StructOrBuilder>
        getPayloadFieldBuilder() {
      if (payloadBuilder_ == null) {
        if (!(messageCase_ == 2)) {
          message_ = com.google.protobuf.Struct.getDefaultInstance();
        }
        payloadBuilder_ =
            new com.google.protobuf.SingleFieldBuilderV3<
                com.google.protobuf.Struct,
                com.google.protobuf.Struct.Builder,
                com.google.protobuf.StructOrBuilder>(
                (com.google.protobuf.Struct) message_, getParentForChildren(), isClean());
        message_ = null;
      }
      messageCase_ = 2;
      onChanged();
      return payloadBuilder_;
    }

    private com.google.protobuf.SingleFieldBuilderV3<
            com.google.cloud.dialogflow.v2beta1.ResponseMessage.LiveAgentHandoff,
            com.google.cloud.dialogflow.v2beta1.ResponseMessage.LiveAgentHandoff.Builder,
            com.google.cloud.dialogflow.v2beta1.ResponseMessage.LiveAgentHandoffOrBuilder>
        liveAgentHandoffBuilder_;
    /**
     *
     *
     * <pre>
     * Hands off conversation to a live agent.
     * </pre>
     *
     * <code>
     * .google.cloud.dialogflow.v2beta1.ResponseMessage.LiveAgentHandoff live_agent_handoff = 3;
     * </code>
     *
     * @return Whether the liveAgentHandoff field is set.
     */
    @java.lang.Override
    public boolean hasLiveAgentHandoff() {
      return messageCase_ == 3;
    }
    /**
     *
     *
     * <pre>
     * Hands off conversation to a live agent.
     * </pre>
     *
     * <code>
     * .google.cloud.dialogflow.v2beta1.ResponseMessage.LiveAgentHandoff live_agent_handoff = 3;
     * </code>
     *
     * @return The liveAgentHandoff.
     */
    @java.lang.Override
    public com.google.cloud.dialogflow.v2beta1.ResponseMessage.LiveAgentHandoff
        getLiveAgentHandoff() {
      if (liveAgentHandoffBuilder_ == null) {
        if (messageCase_ == 3) {
          return (com.google.cloud.dialogflow.v2beta1.ResponseMessage.LiveAgentHandoff) message_;
        }
        return com.google.cloud.dialogflow.v2beta1.ResponseMessage.LiveAgentHandoff
            .getDefaultInstance();
      } else {
        if (messageCase_ == 3) {
          return liveAgentHandoffBuilder_.getMessage();
        }
        return com.google.cloud.dialogflow.v2beta1.ResponseMessage.LiveAgentHandoff
            .getDefaultInstance();
      }
    }
    /**
     *
     *
     * <pre>
     * Hands off conversation to a live agent.
     * </pre>
     *
     * <code>
     * .google.cloud.dialogflow.v2beta1.ResponseMessage.LiveAgentHandoff live_agent_handoff = 3;
     * </code>
     */
    public Builder setLiveAgentHandoff(
        com.google.cloud.dialogflow.v2beta1.ResponseMessage.LiveAgentHandoff value) {
      if (liveAgentHandoffBuilder_ == null) {
        if (value == null) {
          throw new NullPointerException();
        }
        message_ = value;
        onChanged();
      } else {
        liveAgentHandoffBuilder_.setMessage(value);
      }
      messageCase_ = 3;
      return this;
    }
    /**
     *
     *
     * <pre>
     * Hands off conversation to a live agent.
     * </pre>
     *
     * <code>
     * .google.cloud.dialogflow.v2beta1.ResponseMessage.LiveAgentHandoff live_agent_handoff = 3;
     * </code>
     */
    public Builder setLiveAgentHandoff(
        com.google.cloud.dialogflow.v2beta1.ResponseMessage.LiveAgentHandoff.Builder
            builderForValue) {
      if (liveAgentHandoffBuilder_ == null) {
        message_ = builderForValue.build();
        onChanged();
      } else {
        liveAgentHandoffBuilder_.setMessage(builderForValue.build());
      }
      messageCase_ = 3;
      return this;
    }
    /**
     *
     *
     * <pre>
     * Hands off conversation to a live agent.
     * </pre>
     *
     * <code>
     * .google.cloud.dialogflow.v2beta1.ResponseMessage.LiveAgentHandoff live_agent_handoff = 3;
     * </code>
     */
    public Builder mergeLiveAgentHandoff(
        com.google.cloud.dialogflow.v2beta1.ResponseMessage.LiveAgentHandoff value) {
      if (liveAgentHandoffBuilder_ == null) {
        if (messageCase_ == 3
            && message_
                != com.google.cloud.dialogflow.v2beta1.ResponseMessage.LiveAgentHandoff
                    .getDefaultInstance()) {
          message_ =
              com.google.cloud.dialogflow.v2beta1.ResponseMessage.LiveAgentHandoff.newBuilder(
                      (com.google.cloud.dialogflow.v2beta1.ResponseMessage.LiveAgentHandoff)
                          message_)
                  .mergeFrom(value)
                  .buildPartial();
        } else {
          message_ = value;
        }
        onChanged();
      } else {
        if (messageCase_ == 3) {
          liveAgentHandoffBuilder_.mergeFrom(value);
        } else {
          liveAgentHandoffBuilder_.setMessage(value);
        }
      }
      messageCase_ = 3;
      return this;
    }
    /**
     *
     *
     * <pre>
     * Hands off conversation to a live agent.
     * </pre>
     *
     * <code>
     * .google.cloud.dialogflow.v2beta1.ResponseMessage.LiveAgentHandoff live_agent_handoff = 3;
     * </code>
     */
    public Builder clearLiveAgentHandoff() {
      if (liveAgentHandoffBuilder_ == null) {
        if (messageCase_ == 3) {
          messageCase_ = 0;
          message_ = null;
          onChanged();
        }
      } else {
        if (messageCase_ == 3) {
          messageCase_ = 0;
          message_ = null;
        }
        liveAgentHandoffBuilder_.clear();
      }
      return this;
    }
    /**
     *
     *
     * <pre>
     * Hands off conversation to a live agent.
     * </pre>
     *
     * <code>
     * .google.cloud.dialogflow.v2beta1.ResponseMessage.LiveAgentHandoff live_agent_handoff = 3;
     * </code>
     */
    public com.google.cloud.dialogflow.v2beta1.ResponseMessage.LiveAgentHandoff.Builder
        getLiveAgentHandoffBuilder() {
      return getLiveAgentHandoffFieldBuilder().getBuilder();
    }
    /**
     *
     *
     * <pre>
     * Hands off conversation to a live agent.
     * </pre>
     *
     * <code>
     * .google.cloud.dialogflow.v2beta1.ResponseMessage.LiveAgentHandoff live_agent_handoff = 3;
     * </code>
     */
    @java.lang.Override
    public com.google.cloud.dialogflow.v2beta1.ResponseMessage.LiveAgentHandoffOrBuilder
        getLiveAgentHandoffOrBuilder() {
      if ((messageCase_ == 3) && (liveAgentHandoffBuilder_ != null)) {
        return liveAgentHandoffBuilder_.getMessageOrBuilder();
      } else {
        if (messageCase_ == 3) {
          return (com.google.cloud.dialogflow.v2beta1.ResponseMessage.LiveAgentHandoff) message_;
        }
        return com.google.cloud.dialogflow.v2beta1.ResponseMessage.LiveAgentHandoff
            .getDefaultInstance();
      }
    }
    /**
     *
     *
     * <pre>
     * Hands off conversation to a live agent.
     * </pre>
     *
     * <code>
     * .google.cloud.dialogflow.v2beta1.ResponseMessage.LiveAgentHandoff live_agent_handoff = 3;
     * </code>
     */
    private com.google.protobuf.SingleFieldBuilderV3<
            com.google.cloud.dialogflow.v2beta1.ResponseMessage.LiveAgentHandoff,
            com.google.cloud.dialogflow.v2beta1.ResponseMessage.LiveAgentHandoff.Builder,
            com.google.cloud.dialogflow.v2beta1.ResponseMessage.LiveAgentHandoffOrBuilder>
        getLiveAgentHandoffFieldBuilder() {
      if (liveAgentHandoffBuilder_ == null) {
        if (!(messageCase_ == 3)) {
          message_ =
              com.google.cloud.dialogflow.v2beta1.ResponseMessage.LiveAgentHandoff
                  .getDefaultInstance();
        }
        liveAgentHandoffBuilder_ =
            new com.google.protobuf.SingleFieldBuilderV3<
                com.google.cloud.dialogflow.v2beta1.ResponseMessage.LiveAgentHandoff,
                com.google.cloud.dialogflow.v2beta1.ResponseMessage.LiveAgentHandoff.Builder,
                com.google.cloud.dialogflow.v2beta1.ResponseMessage.LiveAgentHandoffOrBuilder>(
                (com.google.cloud.dialogflow.v2beta1.ResponseMessage.LiveAgentHandoff) message_,
                getParentForChildren(),
                isClean());
        message_ = null;
      }
      messageCase_ = 3;
      onChanged();
      return liveAgentHandoffBuilder_;
    }

    private com.google.protobuf.SingleFieldBuilderV3<
            com.google.cloud.dialogflow.v2beta1.ResponseMessage.EndInteraction,
            com.google.cloud.dialogflow.v2beta1.ResponseMessage.EndInteraction.Builder,
            com.google.cloud.dialogflow.v2beta1.ResponseMessage.EndInteractionOrBuilder>
        endInteractionBuilder_;
    /**
     *
     *
     * <pre>
     * A signal that indicates the interaction with the Dialogflow agent has
     * ended.
     * </pre>
     *
     * <code>.google.cloud.dialogflow.v2beta1.ResponseMessage.EndInteraction end_interaction = 4;
     * </code>
     *
     * @return Whether the endInteraction field is set.
     */
    @java.lang.Override
    public boolean hasEndInteraction() {
      return messageCase_ == 4;
    }
    /**
     *
     *
     * <pre>
     * A signal that indicates the interaction with the Dialogflow agent has
     * ended.
     * </pre>
     *
     * <code>.google.cloud.dialogflow.v2beta1.ResponseMessage.EndInteraction end_interaction = 4;
     * </code>
     *
     * @return The endInteraction.
     */
    @java.lang.Override
    public com.google.cloud.dialogflow.v2beta1.ResponseMessage.EndInteraction getEndInteraction() {
      if (endInteractionBuilder_ == null) {
        if (messageCase_ == 4) {
          return (com.google.cloud.dialogflow.v2beta1.ResponseMessage.EndInteraction) message_;
        }
        return com.google.cloud.dialogflow.v2beta1.ResponseMessage.EndInteraction
            .getDefaultInstance();
      } else {
        if (messageCase_ == 4) {
          return endInteractionBuilder_.getMessage();
        }
        return com.google.cloud.dialogflow.v2beta1.ResponseMessage.EndInteraction
            .getDefaultInstance();
      }
    }
    /**
     *
     *
     * <pre>
     * A signal that indicates the interaction with the Dialogflow agent has
     * ended.
     * </pre>
     *
     * <code>.google.cloud.dialogflow.v2beta1.ResponseMessage.EndInteraction end_interaction = 4;
     * </code>
     */
    public Builder setEndInteraction(
        com.google.cloud.dialogflow.v2beta1.ResponseMessage.EndInteraction value) {
      if (endInteractionBuilder_ == null) {
        if (value == null) {
          throw new NullPointerException();
        }
        message_ = value;
        onChanged();
      } else {
        endInteractionBuilder_.setMessage(value);
      }
      messageCase_ = 4;
      return this;
    }
    /**
     *
     *
     * <pre>
     * A signal that indicates the interaction with the Dialogflow agent has
     * ended.
     * </pre>
     *
     * <code>.google.cloud.dialogflow.v2beta1.ResponseMessage.EndInteraction end_interaction = 4;
     * </code>
     */
    public Builder setEndInteraction(
        com.google.cloud.dialogflow.v2beta1.ResponseMessage.EndInteraction.Builder
            builderForValue) {
      if (endInteractionBuilder_ == null) {
        message_ = builderForValue.build();
        onChanged();
      } else {
        endInteractionBuilder_.setMessage(builderForValue.build());
      }
      messageCase_ = 4;
      return this;
    }
    /**
     *
     *
     * <pre>
     * A signal that indicates the interaction with the Dialogflow agent has
     * ended.
     * </pre>
     *
     * <code>.google.cloud.dialogflow.v2beta1.ResponseMessage.EndInteraction end_interaction = 4;
     * </code>
     */
    public Builder mergeEndInteraction(
        com.google.cloud.dialogflow.v2beta1.ResponseMessage.EndInteraction value) {
      if (endInteractionBuilder_ == null) {
        if (messageCase_ == 4
            && message_
                != com.google.cloud.dialogflow.v2beta1.ResponseMessage.EndInteraction
                    .getDefaultInstance()) {
          message_ =
              com.google.cloud.dialogflow.v2beta1.ResponseMessage.EndInteraction.newBuilder(
                      (com.google.cloud.dialogflow.v2beta1.ResponseMessage.EndInteraction) message_)
                  .mergeFrom(value)
                  .buildPartial();
        } else {
          message_ = value;
        }
        onChanged();
      } else {
        if (messageCase_ == 4) {
          endInteractionBuilder_.mergeFrom(value);
        } else {
          endInteractionBuilder_.setMessage(value);
        }
      }
      messageCase_ = 4;
      return this;
    }
    /**
     *
     *
     * <pre>
     * A signal that indicates the interaction with the Dialogflow agent has
     * ended.
     * </pre>
     *
     * <code>.google.cloud.dialogflow.v2beta1.ResponseMessage.EndInteraction end_interaction = 4;
     * </code>
     */
    public Builder clearEndInteraction() {
      if (endInteractionBuilder_ == null) {
        if (messageCase_ == 4) {
          messageCase_ = 0;
          message_ = null;
          onChanged();
        }
      } else {
        if (messageCase_ == 4) {
          messageCase_ = 0;
          message_ = null;
        }
        endInteractionBuilder_.clear();
      }
      return this;
    }
    /**
     *
     *
     * <pre>
     * A signal that indicates the interaction with the Dialogflow agent has
     * ended.
     * </pre>
     *
     * <code>.google.cloud.dialogflow.v2beta1.ResponseMessage.EndInteraction end_interaction = 4;
     * </code>
     */
    public com.google.cloud.dialogflow.v2beta1.ResponseMessage.EndInteraction.Builder
        getEndInteractionBuilder() {
      return getEndInteractionFieldBuilder().getBuilder();
    }
    /**
     *
     *
     * <pre>
     * A signal that indicates the interaction with the Dialogflow agent has
     * ended.
     * </pre>
     *
     * <code>.google.cloud.dialogflow.v2beta1.ResponseMessage.EndInteraction end_interaction = 4;
     * </code>
     */
    @java.lang.Override
    public com.google.cloud.dialogflow.v2beta1.ResponseMessage.EndInteractionOrBuilder
        getEndInteractionOrBuilder() {
      if ((messageCase_ == 4) && (endInteractionBuilder_ != null)) {
        return endInteractionBuilder_.getMessageOrBuilder();
      } else {
        if (messageCase_ == 4) {
          return (com.google.cloud.dialogflow.v2beta1.ResponseMessage.EndInteraction) message_;
        }
        return com.google.cloud.dialogflow.v2beta1.ResponseMessage.EndInteraction
            .getDefaultInstance();
      }
    }
    /**
     *
     *
     * <pre>
     * A signal that indicates the interaction with the Dialogflow agent has
     * ended.
     * </pre>
     *
     * <code>.google.cloud.dialogflow.v2beta1.ResponseMessage.EndInteraction end_interaction = 4;
     * </code>
     */
    private com.google.protobuf.SingleFieldBuilderV3<
            com.google.cloud.dialogflow.v2beta1.ResponseMessage.EndInteraction,
            com.google.cloud.dialogflow.v2beta1.ResponseMessage.EndInteraction.Builder,
            com.google.cloud.dialogflow.v2beta1.ResponseMessage.EndInteractionOrBuilder>
        getEndInteractionFieldBuilder() {
      if (endInteractionBuilder_ == null) {
        if (!(messageCase_ == 4)) {
          message_ =
              com.google.cloud.dialogflow.v2beta1.ResponseMessage.EndInteraction
                  .getDefaultInstance();
        }
        endInteractionBuilder_ =
            new com.google.protobuf.SingleFieldBuilderV3<
                com.google.cloud.dialogflow.v2beta1.ResponseMessage.EndInteraction,
                com.google.cloud.dialogflow.v2beta1.ResponseMessage.EndInteraction.Builder,
                com.google.cloud.dialogflow.v2beta1.ResponseMessage.EndInteractionOrBuilder>(
                (com.google.cloud.dialogflow.v2beta1.ResponseMessage.EndInteraction) message_,
                getParentForChildren(),
                isClean());
        message_ = null;
      }
      messageCase_ = 4;
      onChanged();
      return endInteractionBuilder_;
    }

    private com.google.protobuf.SingleFieldBuilderV3<
            com.google.cloud.dialogflow.v2beta1.ResponseMessage.MixedAudio,
            com.google.cloud.dialogflow.v2beta1.ResponseMessage.MixedAudio.Builder,
            com.google.cloud.dialogflow.v2beta1.ResponseMessage.MixedAudioOrBuilder>
        mixedAudioBuilder_;
    /**
     *
     *
     * <pre>
     * An audio response message composed of both the synthesized Dialogflow
     * agent responses and the audios hosted in places known to the client.
     * </pre>
     *
     * <code>.google.cloud.dialogflow.v2beta1.ResponseMessage.MixedAudio mixed_audio = 5;</code>
     *
     * @return Whether the mixedAudio field is set.
     */
    @java.lang.Override
    public boolean hasMixedAudio() {
      return messageCase_ == 5;
    }
    /**
     *
     *
     * <pre>
     * An audio response message composed of both the synthesized Dialogflow
     * agent responses and the audios hosted in places known to the client.
     * </pre>
     *
     * <code>.google.cloud.dialogflow.v2beta1.ResponseMessage.MixedAudio mixed_audio = 5;</code>
     *
     * @return The mixedAudio.
     */
    @java.lang.Override
    public com.google.cloud.dialogflow.v2beta1.ResponseMessage.MixedAudio getMixedAudio() {
      if (mixedAudioBuilder_ == null) {
        if (messageCase_ == 5) {
          return (com.google.cloud.dialogflow.v2beta1.ResponseMessage.MixedAudio) message_;
        }
        return com.google.cloud.dialogflow.v2beta1.ResponseMessage.MixedAudio.getDefaultInstance();
      } else {
        if (messageCase_ == 5) {
          return mixedAudioBuilder_.getMessage();
        }
        return com.google.cloud.dialogflow.v2beta1.ResponseMessage.MixedAudio.getDefaultInstance();
      }
    }
    /**
     *
     *
     * <pre>
     * An audio response message composed of both the synthesized Dialogflow
     * agent responses and the audios hosted in places known to the client.
     * </pre>
     *
     * <code>.google.cloud.dialogflow.v2beta1.ResponseMessage.MixedAudio mixed_audio = 5;</code>
     */
    public Builder setMixedAudio(
        com.google.cloud.dialogflow.v2beta1.ResponseMessage.MixedAudio value) {
      if (mixedAudioBuilder_ == null) {
        if (value == null) {
          throw new NullPointerException();
        }
        message_ = value;
        onChanged();
      } else {
        mixedAudioBuilder_.setMessage(value);
      }
      messageCase_ = 5;
      return this;
    }
    /**
     *
     *
     * <pre>
     * An audio response message composed of both the synthesized Dialogflow
     * agent responses and the audios hosted in places known to the client.
     * </pre>
     *
     * <code>.google.cloud.dialogflow.v2beta1.ResponseMessage.MixedAudio mixed_audio = 5;</code>
     */
    public Builder setMixedAudio(
        com.google.cloud.dialogflow.v2beta1.ResponseMessage.MixedAudio.Builder builderForValue) {
      if (mixedAudioBuilder_ == null) {
        message_ = builderForValue.build();
        onChanged();
      } else {
        mixedAudioBuilder_.setMessage(builderForValue.build());
      }
      messageCase_ = 5;
      return this;
    }
    /**
     *
     *
     * <pre>
     * An audio response message composed of both the synthesized Dialogflow
     * agent responses and the audios hosted in places known to the client.
     * </pre>
     *
     * <code>.google.cloud.dialogflow.v2beta1.ResponseMessage.MixedAudio mixed_audio = 5;</code>
     */
    public Builder mergeMixedAudio(
        com.google.cloud.dialogflow.v2beta1.ResponseMessage.MixedAudio value) {
      if (mixedAudioBuilder_ == null) {
        if (messageCase_ == 5
            && message_
                != com.google.cloud.dialogflow.v2beta1.ResponseMessage.MixedAudio
                    .getDefaultInstance()) {
          message_ =
              com.google.cloud.dialogflow.v2beta1.ResponseMessage.MixedAudio.newBuilder(
                      (com.google.cloud.dialogflow.v2beta1.ResponseMessage.MixedAudio) message_)
                  .mergeFrom(value)
                  .buildPartial();
        } else {
          message_ = value;
        }
        onChanged();
      } else {
        if (messageCase_ == 5) {
          mixedAudioBuilder_.mergeFrom(value);
        } else {
          mixedAudioBuilder_.setMessage(value);
        }
      }
      messageCase_ = 5;
      return this;
    }
    /**
     *
     *
     * <pre>
     * An audio response message composed of both the synthesized Dialogflow
     * agent responses and the audios hosted in places known to the client.
     * </pre>
     *
     * <code>.google.cloud.dialogflow.v2beta1.ResponseMessage.MixedAudio mixed_audio = 5;</code>
     */
    public Builder clearMixedAudio() {
      if (mixedAudioBuilder_ == null) {
        if (messageCase_ == 5) {
          messageCase_ = 0;
          message_ = null;
          onChanged();
        }
      } else {
        if (messageCase_ == 5) {
          messageCase_ = 0;
          message_ = null;
        }
        mixedAudioBuilder_.clear();
      }
      return this;
    }
    /**
     *
     *
     * <pre>
     * An audio response message composed of both the synthesized Dialogflow
     * agent responses and the audios hosted in places known to the client.
     * </pre>
     *
     * <code>.google.cloud.dialogflow.v2beta1.ResponseMessage.MixedAudio mixed_audio = 5;</code>
     */
    public com.google.cloud.dialogflow.v2beta1.ResponseMessage.MixedAudio.Builder
        getMixedAudioBuilder() {
      return getMixedAudioFieldBuilder().getBuilder();
    }
    /**
     *
     *
     * <pre>
     * An audio response message composed of both the synthesized Dialogflow
     * agent responses and the audios hosted in places known to the client.
     * </pre>
     *
     * <code>.google.cloud.dialogflow.v2beta1.ResponseMessage.MixedAudio mixed_audio = 5;</code>
     */
    @java.lang.Override
    public com.google.cloud.dialogflow.v2beta1.ResponseMessage.MixedAudioOrBuilder
        getMixedAudioOrBuilder() {
      if ((messageCase_ == 5) && (mixedAudioBuilder_ != null)) {
        return mixedAudioBuilder_.getMessageOrBuilder();
      } else {
        if (messageCase_ == 5) {
          return (com.google.cloud.dialogflow.v2beta1.ResponseMessage.MixedAudio) message_;
        }
        return com.google.cloud.dialogflow.v2beta1.ResponseMessage.MixedAudio.getDefaultInstance();
      }
    }
    /**
     *
     *
     * <pre>
     * An audio response message composed of both the synthesized Dialogflow
     * agent responses and the audios hosted in places known to the client.
     * </pre>
     *
     * <code>.google.cloud.dialogflow.v2beta1.ResponseMessage.MixedAudio mixed_audio = 5;</code>
     */
    private com.google.protobuf.SingleFieldBuilderV3<
            com.google.cloud.dialogflow.v2beta1.ResponseMessage.MixedAudio,
            com.google.cloud.dialogflow.v2beta1.ResponseMessage.MixedAudio.Builder,
            com.google.cloud.dialogflow.v2beta1.ResponseMessage.MixedAudioOrBuilder>
        getMixedAudioFieldBuilder() {
      if (mixedAudioBuilder_ == null) {
        if (!(messageCase_ == 5)) {
          message_ =
              com.google.cloud.dialogflow.v2beta1.ResponseMessage.MixedAudio.getDefaultInstance();
        }
        mixedAudioBuilder_ =
            new com.google.protobuf.SingleFieldBuilderV3<
                com.google.cloud.dialogflow.v2beta1.ResponseMessage.MixedAudio,
                com.google.cloud.dialogflow.v2beta1.ResponseMessage.MixedAudio.Builder,
                com.google.cloud.dialogflow.v2beta1.ResponseMessage.MixedAudioOrBuilder>(
                (com.google.cloud.dialogflow.v2beta1.ResponseMessage.MixedAudio) message_,
                getParentForChildren(),
                isClean());
        message_ = null;
      }
      messageCase_ = 5;
      onChanged();
      return mixedAudioBuilder_;
    }

    private com.google.protobuf.SingleFieldBuilderV3<
            com.google.cloud.dialogflow.v2beta1.ResponseMessage.TelephonyTransferCall,
            com.google.cloud.dialogflow.v2beta1.ResponseMessage.TelephonyTransferCall.Builder,
            com.google.cloud.dialogflow.v2beta1.ResponseMessage.TelephonyTransferCallOrBuilder>
        telephonyTransferCallBuilder_;
    /**
     *
     *
     * <pre>
     * A signal that the client should transfer the phone call connected to
     * this agent to a third-party endpoint.
     * </pre>
     *
     * <code>
     * .google.cloud.dialogflow.v2beta1.ResponseMessage.TelephonyTransferCall telephony_transfer_call = 6;
     * </code>
     *
     * @return Whether the telephonyTransferCall field is set.
     */
    @java.lang.Override
    public boolean hasTelephonyTransferCall() {
      return messageCase_ == 6;
    }
    /**
     *
     *
     * <pre>
     * A signal that the client should transfer the phone call connected to
     * this agent to a third-party endpoint.
     * </pre>
     *
     * <code>
     * .google.cloud.dialogflow.v2beta1.ResponseMessage.TelephonyTransferCall telephony_transfer_call = 6;
     * </code>
     *
     * @return The telephonyTransferCall.
     */
    @java.lang.Override
    public com.google.cloud.dialogflow.v2beta1.ResponseMessage.TelephonyTransferCall
        getTelephonyTransferCall() {
      if (telephonyTransferCallBuilder_ == null) {
        if (messageCase_ == 6) {
          return (com.google.cloud.dialogflow.v2beta1.ResponseMessage.TelephonyTransferCall)
              message_;
        }
        return com.google.cloud.dialogflow.v2beta1.ResponseMessage.TelephonyTransferCall
            .getDefaultInstance();
      } else {
        if (messageCase_ == 6) {
          return telephonyTransferCallBuilder_.getMessage();
        }
        return com.google.cloud.dialogflow.v2beta1.ResponseMessage.TelephonyTransferCall
            .getDefaultInstance();
      }
    }
    /**
     *
     *
     * <pre>
     * A signal that the client should transfer the phone call connected to
     * this agent to a third-party endpoint.
     * </pre>
     *
     * <code>
     * .google.cloud.dialogflow.v2beta1.ResponseMessage.TelephonyTransferCall telephony_transfer_call = 6;
     * </code>
     */
    public Builder setTelephonyTransferCall(
        com.google.cloud.dialogflow.v2beta1.ResponseMessage.TelephonyTransferCall value) {
      if (telephonyTransferCallBuilder_ == null) {
        if (value == null) {
          throw new NullPointerException();
        }
        message_ = value;
        onChanged();
      } else {
        telephonyTransferCallBuilder_.setMessage(value);
      }
      messageCase_ = 6;
      return this;
    }
    /**
     *
     *
     * <pre>
     * A signal that the client should transfer the phone call connected to
     * this agent to a third-party endpoint.
     * </pre>
     *
     * <code>
     * .google.cloud.dialogflow.v2beta1.ResponseMessage.TelephonyTransferCall telephony_transfer_call = 6;
     * </code>
     */
    public Builder setTelephonyTransferCall(
        com.google.cloud.dialogflow.v2beta1.ResponseMessage.TelephonyTransferCall.Builder
            builderForValue) {
      if (telephonyTransferCallBuilder_ == null) {
        message_ = builderForValue.build();
        onChanged();
      } else {
        telephonyTransferCallBuilder_.setMessage(builderForValue.build());
      }
      messageCase_ = 6;
      return this;
    }
    /**
     *
     *
     * <pre>
     * A signal that the client should transfer the phone call connected to
     * this agent to a third-party endpoint.
     * </pre>
     *
     * <code>
     * .google.cloud.dialogflow.v2beta1.ResponseMessage.TelephonyTransferCall telephony_transfer_call = 6;
     * </code>
     */
    public Builder mergeTelephonyTransferCall(
        com.google.cloud.dialogflow.v2beta1.ResponseMessage.TelephonyTransferCall value) {
      if (telephonyTransferCallBuilder_ == null) {
        if (messageCase_ == 6
            && message_
                != com.google.cloud.dialogflow.v2beta1.ResponseMessage.TelephonyTransferCall
                    .getDefaultInstance()) {
          message_ =
              com.google.cloud.dialogflow.v2beta1.ResponseMessage.TelephonyTransferCall.newBuilder(
                      (com.google.cloud.dialogflow.v2beta1.ResponseMessage.TelephonyTransferCall)
                          message_)
                  .mergeFrom(value)
                  .buildPartial();
        } else {
          message_ = value;
        }
        onChanged();
      } else {
        if (messageCase_ == 6) {
          telephonyTransferCallBuilder_.mergeFrom(value);
        } else {
          telephonyTransferCallBuilder_.setMessage(value);
        }
      }
      messageCase_ = 6;
      return this;
    }
    /**
     *
     *
     * <pre>
     * A signal that the client should transfer the phone call connected to
     * this agent to a third-party endpoint.
     * </pre>
     *
     * <code>
     * .google.cloud.dialogflow.v2beta1.ResponseMessage.TelephonyTransferCall telephony_transfer_call = 6;
     * </code>
     */
    public Builder clearTelephonyTransferCall() {
      if (telephonyTransferCallBuilder_ == null) {
        if (messageCase_ == 6) {
          messageCase_ = 0;
          message_ = null;
          onChanged();
        }
      } else {
        if (messageCase_ == 6) {
          messageCase_ = 0;
          message_ = null;
        }
        telephonyTransferCallBuilder_.clear();
      }
      return this;
    }
    /**
     *
     *
     * <pre>
     * A signal that the client should transfer the phone call connected to
     * this agent to a third-party endpoint.
     * </pre>
     *
     * <code>
     * .google.cloud.dialogflow.v2beta1.ResponseMessage.TelephonyTransferCall telephony_transfer_call = 6;
     * </code>
     */
    public com.google.cloud.dialogflow.v2beta1.ResponseMessage.TelephonyTransferCall.Builder
        getTelephonyTransferCallBuilder() {
      return getTelephonyTransferCallFieldBuilder().getBuilder();
    }
    /**
     *
     *
     * <pre>
     * A signal that the client should transfer the phone call connected to
     * this agent to a third-party endpoint.
     * </pre>
     *
     * <code>
     * .google.cloud.dialogflow.v2beta1.ResponseMessage.TelephonyTransferCall telephony_transfer_call = 6;
     * </code>
     */
    @java.lang.Override
    public com.google.cloud.dialogflow.v2beta1.ResponseMessage.TelephonyTransferCallOrBuilder
        getTelephonyTransferCallOrBuilder() {
      if ((messageCase_ == 6) && (telephonyTransferCallBuilder_ != null)) {
        return telephonyTransferCallBuilder_.getMessageOrBuilder();
      } else {
        if (messageCase_ == 6) {
          return (com.google.cloud.dialogflow.v2beta1.ResponseMessage.TelephonyTransferCall)
              message_;
        }
        return com.google.cloud.dialogflow.v2beta1.ResponseMessage.TelephonyTransferCall
            .getDefaultInstance();
      }
    }
    /**
     *
     *
     * <pre>
     * A signal that the client should transfer the phone call connected to
     * this agent to a third-party endpoint.
     * </pre>
     *
     * <code>
     * .google.cloud.dialogflow.v2beta1.ResponseMessage.TelephonyTransferCall telephony_transfer_call = 6;
     * </code>
     */
    private com.google.protobuf.SingleFieldBuilderV3<
            com.google.cloud.dialogflow.v2beta1.ResponseMessage.TelephonyTransferCall,
            com.google.cloud.dialogflow.v2beta1.ResponseMessage.TelephonyTransferCall.Builder,
            com.google.cloud.dialogflow.v2beta1.ResponseMessage.TelephonyTransferCallOrBuilder>
        getTelephonyTransferCallFieldBuilder() {
      if (telephonyTransferCallBuilder_ == null) {
        if (!(messageCase_ == 6)) {
          message_ =
              com.google.cloud.dialogflow.v2beta1.ResponseMessage.TelephonyTransferCall
                  .getDefaultInstance();
        }
        telephonyTransferCallBuilder_ =
            new com.google.protobuf.SingleFieldBuilderV3<
                com.google.cloud.dialogflow.v2beta1.ResponseMessage.TelephonyTransferCall,
                com.google.cloud.dialogflow.v2beta1.ResponseMessage.TelephonyTransferCall.Builder,
                com.google.cloud.dialogflow.v2beta1.ResponseMessage.TelephonyTransferCallOrBuilder>(
                (com.google.cloud.dialogflow.v2beta1.ResponseMessage.TelephonyTransferCall)
                    message_,
                getParentForChildren(),
                isClean());
        message_ = null;
      }
      messageCase_ = 6;
      onChanged();
      return telephonyTransferCallBuilder_;
    }

    @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.dialogflow.v2beta1.ResponseMessage)
  }

  // @@protoc_insertion_point(class_scope:google.cloud.dialogflow.v2beta1.ResponseMessage)
  private static final com.google.cloud.dialogflow.v2beta1.ResponseMessage DEFAULT_INSTANCE;

  static {
    DEFAULT_INSTANCE = new com.google.cloud.dialogflow.v2beta1.ResponseMessage();
  }

  public static com.google.cloud.dialogflow.v2beta1.ResponseMessage getDefaultInstance() {
    return DEFAULT_INSTANCE;
  }

  private static final com.google.protobuf.Parser<ResponseMessage> PARSER =
      new com.google.protobuf.AbstractParser<ResponseMessage>() {
        @java.lang.Override
        public ResponseMessage 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<ResponseMessage> parser() {
    return PARSER;
  }

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

  @java.lang.Override
  public com.google.cloud.dialogflow.v2beta1.ResponseMessage getDefaultInstanceForType() {
    return DEFAULT_INSTANCE;
  }
}
