/*
 * 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/eventarc/v1/channel.proto

package com.google.cloud.eventarc.v1;

/**
 *
 *
 * <pre>
 * A representation of the Channel resource.
 * A Channel is a resource on which event providers publish their events.
 * The published events are delivered through the transport associated with the
 * channel. Note that a channel is associated with exactly one event provider.
 * </pre>
 *
 * Protobuf type {@code google.cloud.eventarc.v1.Channel}
 */
public final class Channel extends com.google.protobuf.GeneratedMessageV3
    implements
    // @@protoc_insertion_point(message_implements:google.cloud.eventarc.v1.Channel)
    ChannelOrBuilder {
  private static final long serialVersionUID = 0L;
  // Use Channel.newBuilder() to construct.
  private Channel(com.google.protobuf.GeneratedMessageV3.Builder<?> builder) {
    super(builder);
  }

  private Channel() {
    name_ = "";
    uid_ = "";
    provider_ = "";
    state_ = 0;
    activationToken_ = "";
    cryptoKeyName_ = "";
  }

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

  @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.eventarc.v1.ChannelProto
        .internal_static_google_cloud_eventarc_v1_Channel_descriptor;
  }

  @java.lang.Override
  protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
      internalGetFieldAccessorTable() {
    return com.google.cloud.eventarc.v1.ChannelProto
        .internal_static_google_cloud_eventarc_v1_Channel_fieldAccessorTable
        .ensureFieldAccessorsInitialized(
            com.google.cloud.eventarc.v1.Channel.class,
            com.google.cloud.eventarc.v1.Channel.Builder.class);
  }

  /**
   *
   *
   * <pre>
   * State lists all the possible states of a Channel
   * </pre>
   *
   * Protobuf enum {@code google.cloud.eventarc.v1.Channel.State}
   */
  public enum State implements com.google.protobuf.ProtocolMessageEnum {
    /**
     *
     *
     * <pre>
     * Default value. This value is unused.
     * </pre>
     *
     * <code>STATE_UNSPECIFIED = 0;</code>
     */
    STATE_UNSPECIFIED(0),
    /**
     *
     *
     * <pre>
     * The PENDING state indicates that a Channel has been created successfully
     * and there is a new activation token available for the subscriber to use
     * to convey the Channel to the provider in order to create a Connection.
     * </pre>
     *
     * <code>PENDING = 1;</code>
     */
    PENDING(1),
    /**
     *
     *
     * <pre>
     * The ACTIVE state indicates that a Channel has been successfully
     * connected with the event provider.
     * An ACTIVE Channel is ready to receive and route events from the
     * event provider.
     * </pre>
     *
     * <code>ACTIVE = 2;</code>
     */
    ACTIVE(2),
    /**
     *
     *
     * <pre>
     * The INACTIVE state indicates that the Channel cannot receive events
     * permanently. There are two possible cases this state can happen:
     * 1. The SaaS provider disconnected from this Channel.
     * 2. The Channel activation token has expired but the SaaS provider
     *    wasn't connected.
     * To re-establish a Connection with a provider, the subscriber
     * should create a new Channel and give it to the provider.
     * </pre>
     *
     * <code>INACTIVE = 3;</code>
     */
    INACTIVE(3),
    UNRECOGNIZED(-1),
    ;

    /**
     *
     *
     * <pre>
     * Default value. This value is unused.
     * </pre>
     *
     * <code>STATE_UNSPECIFIED = 0;</code>
     */
    public static final int STATE_UNSPECIFIED_VALUE = 0;
    /**
     *
     *
     * <pre>
     * The PENDING state indicates that a Channel has been created successfully
     * and there is a new activation token available for the subscriber to use
     * to convey the Channel to the provider in order to create a Connection.
     * </pre>
     *
     * <code>PENDING = 1;</code>
     */
    public static final int PENDING_VALUE = 1;
    /**
     *
     *
     * <pre>
     * The ACTIVE state indicates that a Channel has been successfully
     * connected with the event provider.
     * An ACTIVE Channel is ready to receive and route events from the
     * event provider.
     * </pre>
     *
     * <code>ACTIVE = 2;</code>
     */
    public static final int ACTIVE_VALUE = 2;
    /**
     *
     *
     * <pre>
     * The INACTIVE state indicates that the Channel cannot receive events
     * permanently. There are two possible cases this state can happen:
     * 1. The SaaS provider disconnected from this Channel.
     * 2. The Channel activation token has expired but the SaaS provider
     *    wasn't connected.
     * To re-establish a Connection with a provider, the subscriber
     * should create a new Channel and give it to the provider.
     * </pre>
     *
     * <code>INACTIVE = 3;</code>
     */
    public static final int INACTIVE_VALUE = 3;

    public final int getNumber() {
      if (this == UNRECOGNIZED) {
        throw new java.lang.IllegalArgumentException(
            "Can't get the number of an unknown enum value.");
      }
      return value;
    }

    /**
     * @param value The numeric wire value of the corresponding enum entry.
     * @return The enum associated with the given numeric wire value.
     * @deprecated Use {@link #forNumber(int)} instead.
     */
    @java.lang.Deprecated
    public static State valueOf(int value) {
      return forNumber(value);
    }

    /**
     * @param value The numeric wire value of the corresponding enum entry.
     * @return The enum associated with the given numeric wire value.
     */
    public static State forNumber(int value) {
      switch (value) {
        case 0:
          return STATE_UNSPECIFIED;
        case 1:
          return PENDING;
        case 2:
          return ACTIVE;
        case 3:
          return INACTIVE;
        default:
          return null;
      }
    }

    public static com.google.protobuf.Internal.EnumLiteMap<State> internalGetValueMap() {
      return internalValueMap;
    }

    private static final com.google.protobuf.Internal.EnumLiteMap<State> internalValueMap =
        new com.google.protobuf.Internal.EnumLiteMap<State>() {
          public State findValueByNumber(int number) {
            return State.forNumber(number);
          }
        };

    public final com.google.protobuf.Descriptors.EnumValueDescriptor getValueDescriptor() {
      if (this == UNRECOGNIZED) {
        throw new java.lang.IllegalStateException(
            "Can't get the descriptor of an unrecognized enum value.");
      }
      return getDescriptor().getValues().get(ordinal());
    }

    public final com.google.protobuf.Descriptors.EnumDescriptor getDescriptorForType() {
      return getDescriptor();
    }

    public static final com.google.protobuf.Descriptors.EnumDescriptor getDescriptor() {
      return com.google.cloud.eventarc.v1.Channel.getDescriptor().getEnumTypes().get(0);
    }

    private static final State[] VALUES = values();

    public static State valueOf(com.google.protobuf.Descriptors.EnumValueDescriptor desc) {
      if (desc.getType() != getDescriptor()) {
        throw new java.lang.IllegalArgumentException("EnumValueDescriptor is not for this type.");
      }
      if (desc.getIndex() == -1) {
        return UNRECOGNIZED;
      }
      return VALUES[desc.getIndex()];
    }

    private final int value;

    private State(int value) {
      this.value = value;
    }

    // @@protoc_insertion_point(enum_scope:google.cloud.eventarc.v1.Channel.State)
  }

  private int transportCase_ = 0;
  private java.lang.Object transport_;

  public enum TransportCase
      implements
          com.google.protobuf.Internal.EnumLite,
          com.google.protobuf.AbstractMessage.InternalOneOfEnum {
    PUBSUB_TOPIC(8),
    TRANSPORT_NOT_SET(0);
    private final int value;

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

    public static TransportCase forNumber(int value) {
      switch (value) {
        case 8:
          return PUBSUB_TOPIC;
        case 0:
          return TRANSPORT_NOT_SET;
        default:
          return null;
      }
    }

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

  public TransportCase getTransportCase() {
    return TransportCase.forNumber(transportCase_);
  }

  public static final int NAME_FIELD_NUMBER = 1;

  @SuppressWarnings("serial")
  private volatile java.lang.Object name_ = "";
  /**
   *
   *
   * <pre>
   * Required. The resource name of the channel. Must be unique within the
   * location on the project and must be in
   * `projects/{project}/locations/{location}/channels/{channel_id}` format.
   * </pre>
   *
   * <code>string name = 1 [(.google.api.field_behavior) = REQUIRED];</code>
   *
   * @return The name.
   */
  @java.lang.Override
  public java.lang.String getName() {
    java.lang.Object ref = name_;
    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();
      name_ = s;
      return s;
    }
  }
  /**
   *
   *
   * <pre>
   * Required. The resource name of the channel. Must be unique within the
   * location on the project and must be in
   * `projects/{project}/locations/{location}/channels/{channel_id}` format.
   * </pre>
   *
   * <code>string name = 1 [(.google.api.field_behavior) = REQUIRED];</code>
   *
   * @return The bytes for name.
   */
  @java.lang.Override
  public com.google.protobuf.ByteString getNameBytes() {
    java.lang.Object ref = name_;
    if (ref instanceof java.lang.String) {
      com.google.protobuf.ByteString b =
          com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
      name_ = b;
      return b;
    } else {
      return (com.google.protobuf.ByteString) ref;
    }
  }

  public static final int UID_FIELD_NUMBER = 2;

  @SuppressWarnings("serial")
  private volatile java.lang.Object uid_ = "";
  /**
   *
   *
   * <pre>
   * Output only. Server assigned unique identifier for the channel. The value
   * is a UUID4 string and guaranteed to remain unchanged until the resource is
   * deleted.
   * </pre>
   *
   * <code>string uid = 2 [(.google.api.field_behavior) = OUTPUT_ONLY];</code>
   *
   * @return The uid.
   */
  @java.lang.Override
  public java.lang.String getUid() {
    java.lang.Object ref = uid_;
    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();
      uid_ = s;
      return s;
    }
  }
  /**
   *
   *
   * <pre>
   * Output only. Server assigned unique identifier for the channel. The value
   * is a UUID4 string and guaranteed to remain unchanged until the resource is
   * deleted.
   * </pre>
   *
   * <code>string uid = 2 [(.google.api.field_behavior) = OUTPUT_ONLY];</code>
   *
   * @return The bytes for uid.
   */
  @java.lang.Override
  public com.google.protobuf.ByteString getUidBytes() {
    java.lang.Object ref = uid_;
    if (ref instanceof java.lang.String) {
      com.google.protobuf.ByteString b =
          com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
      uid_ = b;
      return b;
    } else {
      return (com.google.protobuf.ByteString) ref;
    }
  }

  public static final int CREATE_TIME_FIELD_NUMBER = 5;
  private com.google.protobuf.Timestamp createTime_;
  /**
   *
   *
   * <pre>
   * Output only. The creation time.
   * </pre>
   *
   * <code>.google.protobuf.Timestamp create_time = 5 [(.google.api.field_behavior) = OUTPUT_ONLY];
   * </code>
   *
   * @return Whether the createTime field is set.
   */
  @java.lang.Override
  public boolean hasCreateTime() {
    return createTime_ != null;
  }
  /**
   *
   *
   * <pre>
   * Output only. The creation time.
   * </pre>
   *
   * <code>.google.protobuf.Timestamp create_time = 5 [(.google.api.field_behavior) = OUTPUT_ONLY];
   * </code>
   *
   * @return The createTime.
   */
  @java.lang.Override
  public com.google.protobuf.Timestamp getCreateTime() {
    return createTime_ == null ? com.google.protobuf.Timestamp.getDefaultInstance() : createTime_;
  }
  /**
   *
   *
   * <pre>
   * Output only. The creation time.
   * </pre>
   *
   * <code>.google.protobuf.Timestamp create_time = 5 [(.google.api.field_behavior) = OUTPUT_ONLY];
   * </code>
   */
  @java.lang.Override
  public com.google.protobuf.TimestampOrBuilder getCreateTimeOrBuilder() {
    return createTime_ == null ? com.google.protobuf.Timestamp.getDefaultInstance() : createTime_;
  }

  public static final int UPDATE_TIME_FIELD_NUMBER = 6;
  private com.google.protobuf.Timestamp updateTime_;
  /**
   *
   *
   * <pre>
   * Output only. The last-modified time.
   * </pre>
   *
   * <code>.google.protobuf.Timestamp update_time = 6 [(.google.api.field_behavior) = OUTPUT_ONLY];
   * </code>
   *
   * @return Whether the updateTime field is set.
   */
  @java.lang.Override
  public boolean hasUpdateTime() {
    return updateTime_ != null;
  }
  /**
   *
   *
   * <pre>
   * Output only. The last-modified time.
   * </pre>
   *
   * <code>.google.protobuf.Timestamp update_time = 6 [(.google.api.field_behavior) = OUTPUT_ONLY];
   * </code>
   *
   * @return The updateTime.
   */
  @java.lang.Override
  public com.google.protobuf.Timestamp getUpdateTime() {
    return updateTime_ == null ? com.google.protobuf.Timestamp.getDefaultInstance() : updateTime_;
  }
  /**
   *
   *
   * <pre>
   * Output only. The last-modified time.
   * </pre>
   *
   * <code>.google.protobuf.Timestamp update_time = 6 [(.google.api.field_behavior) = OUTPUT_ONLY];
   * </code>
   */
  @java.lang.Override
  public com.google.protobuf.TimestampOrBuilder getUpdateTimeOrBuilder() {
    return updateTime_ == null ? com.google.protobuf.Timestamp.getDefaultInstance() : updateTime_;
  }

  public static final int PROVIDER_FIELD_NUMBER = 7;

  @SuppressWarnings("serial")
  private volatile java.lang.Object provider_ = "";
  /**
   *
   *
   * <pre>
   * The name of the event provider (e.g. Eventarc SaaS partner) associated
   * with the channel. This provider will be granted permissions to publish
   * events to the channel. Format:
   * `projects/{project}/locations/{location}/providers/{provider_id}`.
   * </pre>
   *
   * <code>string provider = 7;</code>
   *
   * @return The provider.
   */
  @java.lang.Override
  public java.lang.String getProvider() {
    java.lang.Object ref = provider_;
    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();
      provider_ = s;
      return s;
    }
  }
  /**
   *
   *
   * <pre>
   * The name of the event provider (e.g. Eventarc SaaS partner) associated
   * with the channel. This provider will be granted permissions to publish
   * events to the channel. Format:
   * `projects/{project}/locations/{location}/providers/{provider_id}`.
   * </pre>
   *
   * <code>string provider = 7;</code>
   *
   * @return The bytes for provider.
   */
  @java.lang.Override
  public com.google.protobuf.ByteString getProviderBytes() {
    java.lang.Object ref = provider_;
    if (ref instanceof java.lang.String) {
      com.google.protobuf.ByteString b =
          com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
      provider_ = b;
      return b;
    } else {
      return (com.google.protobuf.ByteString) ref;
    }
  }

  public static final int PUBSUB_TOPIC_FIELD_NUMBER = 8;
  /**
   *
   *
   * <pre>
   * Output only. The name of the Pub/Sub topic created and managed by
   * Eventarc system as a transport for the event delivery. Format:
   * `projects/{project}/topics/{topic_id}`.
   * </pre>
   *
   * <code>string pubsub_topic = 8 [(.google.api.field_behavior) = OUTPUT_ONLY];</code>
   *
   * @return Whether the pubsubTopic field is set.
   */
  public boolean hasPubsubTopic() {
    return transportCase_ == 8;
  }
  /**
   *
   *
   * <pre>
   * Output only. The name of the Pub/Sub topic created and managed by
   * Eventarc system as a transport for the event delivery. Format:
   * `projects/{project}/topics/{topic_id}`.
   * </pre>
   *
   * <code>string pubsub_topic = 8 [(.google.api.field_behavior) = OUTPUT_ONLY];</code>
   *
   * @return The pubsubTopic.
   */
  public java.lang.String getPubsubTopic() {
    java.lang.Object ref = "";
    if (transportCase_ == 8) {
      ref = transport_;
    }
    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 (transportCase_ == 8) {
        transport_ = s;
      }
      return s;
    }
  }
  /**
   *
   *
   * <pre>
   * Output only. The name of the Pub/Sub topic created and managed by
   * Eventarc system as a transport for the event delivery. Format:
   * `projects/{project}/topics/{topic_id}`.
   * </pre>
   *
   * <code>string pubsub_topic = 8 [(.google.api.field_behavior) = OUTPUT_ONLY];</code>
   *
   * @return The bytes for pubsubTopic.
   */
  public com.google.protobuf.ByteString getPubsubTopicBytes() {
    java.lang.Object ref = "";
    if (transportCase_ == 8) {
      ref = transport_;
    }
    if (ref instanceof java.lang.String) {
      com.google.protobuf.ByteString b =
          com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
      if (transportCase_ == 8) {
        transport_ = b;
      }
      return b;
    } else {
      return (com.google.protobuf.ByteString) ref;
    }
  }

  public static final int STATE_FIELD_NUMBER = 9;
  private int state_ = 0;
  /**
   *
   *
   * <pre>
   * Output only. The state of a Channel.
   * </pre>
   *
   * <code>
   * .google.cloud.eventarc.v1.Channel.State state = 9 [(.google.api.field_behavior) = OUTPUT_ONLY];
   * </code>
   *
   * @return The enum numeric value on the wire for state.
   */
  @java.lang.Override
  public int getStateValue() {
    return state_;
  }
  /**
   *
   *
   * <pre>
   * Output only. The state of a Channel.
   * </pre>
   *
   * <code>
   * .google.cloud.eventarc.v1.Channel.State state = 9 [(.google.api.field_behavior) = OUTPUT_ONLY];
   * </code>
   *
   * @return The state.
   */
  @java.lang.Override
  public com.google.cloud.eventarc.v1.Channel.State getState() {
    com.google.cloud.eventarc.v1.Channel.State result =
        com.google.cloud.eventarc.v1.Channel.State.forNumber(state_);
    return result == null ? com.google.cloud.eventarc.v1.Channel.State.UNRECOGNIZED : result;
  }

  public static final int ACTIVATION_TOKEN_FIELD_NUMBER = 10;

  @SuppressWarnings("serial")
  private volatile java.lang.Object activationToken_ = "";
  /**
   *
   *
   * <pre>
   * Output only. The activation token for the channel. The token must be used
   * by the provider to register the channel for publishing.
   * </pre>
   *
   * <code>string activation_token = 10 [(.google.api.field_behavior) = OUTPUT_ONLY];</code>
   *
   * @return The activationToken.
   */
  @java.lang.Override
  public java.lang.String getActivationToken() {
    java.lang.Object ref = activationToken_;
    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();
      activationToken_ = s;
      return s;
    }
  }
  /**
   *
   *
   * <pre>
   * Output only. The activation token for the channel. The token must be used
   * by the provider to register the channel for publishing.
   * </pre>
   *
   * <code>string activation_token = 10 [(.google.api.field_behavior) = OUTPUT_ONLY];</code>
   *
   * @return The bytes for activationToken.
   */
  @java.lang.Override
  public com.google.protobuf.ByteString getActivationTokenBytes() {
    java.lang.Object ref = activationToken_;
    if (ref instanceof java.lang.String) {
      com.google.protobuf.ByteString b =
          com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
      activationToken_ = b;
      return b;
    } else {
      return (com.google.protobuf.ByteString) ref;
    }
  }

  public static final int CRYPTO_KEY_NAME_FIELD_NUMBER = 11;

  @SuppressWarnings("serial")
  private volatile java.lang.Object cryptoKeyName_ = "";
  /**
   *
   *
   * <pre>
   * Optional. Resource name of a KMS crypto key (managed by the user) used to
   * encrypt/decrypt their event data.
   * It must match the pattern
   * `projects/&#42;&#47;locations/&#42;&#47;keyRings/&#42;&#47;cryptoKeys/&#42;`.
   * </pre>
   *
   * <code>
   * string crypto_key_name = 11 [(.google.api.field_behavior) = OPTIONAL, (.google.api.resource_reference) = { ... }
   * </code>
   *
   * @return The cryptoKeyName.
   */
  @java.lang.Override
  public java.lang.String getCryptoKeyName() {
    java.lang.Object ref = cryptoKeyName_;
    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();
      cryptoKeyName_ = s;
      return s;
    }
  }
  /**
   *
   *
   * <pre>
   * Optional. Resource name of a KMS crypto key (managed by the user) used to
   * encrypt/decrypt their event data.
   * It must match the pattern
   * `projects/&#42;&#47;locations/&#42;&#47;keyRings/&#42;&#47;cryptoKeys/&#42;`.
   * </pre>
   *
   * <code>
   * string crypto_key_name = 11 [(.google.api.field_behavior) = OPTIONAL, (.google.api.resource_reference) = { ... }
   * </code>
   *
   * @return The bytes for cryptoKeyName.
   */
  @java.lang.Override
  public com.google.protobuf.ByteString getCryptoKeyNameBytes() {
    java.lang.Object ref = cryptoKeyName_;
    if (ref instanceof java.lang.String) {
      com.google.protobuf.ByteString b =
          com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
      cryptoKeyName_ = b;
      return b;
    } else {
      return (com.google.protobuf.ByteString) ref;
    }
  }

  private byte memoizedIsInitialized = -1;

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

    memoizedIsInitialized = 1;
    return true;
  }

  @java.lang.Override
  public void writeTo(com.google.protobuf.CodedOutputStream output) throws java.io.IOException {
    if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(name_)) {
      com.google.protobuf.GeneratedMessageV3.writeString(output, 1, name_);
    }
    if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(uid_)) {
      com.google.protobuf.GeneratedMessageV3.writeString(output, 2, uid_);
    }
    if (createTime_ != null) {
      output.writeMessage(5, getCreateTime());
    }
    if (updateTime_ != null) {
      output.writeMessage(6, getUpdateTime());
    }
    if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(provider_)) {
      com.google.protobuf.GeneratedMessageV3.writeString(output, 7, provider_);
    }
    if (transportCase_ == 8) {
      com.google.protobuf.GeneratedMessageV3.writeString(output, 8, transport_);
    }
    if (state_ != com.google.cloud.eventarc.v1.Channel.State.STATE_UNSPECIFIED.getNumber()) {
      output.writeEnum(9, state_);
    }
    if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(activationToken_)) {
      com.google.protobuf.GeneratedMessageV3.writeString(output, 10, activationToken_);
    }
    if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(cryptoKeyName_)) {
      com.google.protobuf.GeneratedMessageV3.writeString(output, 11, cryptoKeyName_);
    }
    getUnknownFields().writeTo(output);
  }

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

    size = 0;
    if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(name_)) {
      size += com.google.protobuf.GeneratedMessageV3.computeStringSize(1, name_);
    }
    if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(uid_)) {
      size += com.google.protobuf.GeneratedMessageV3.computeStringSize(2, uid_);
    }
    if (createTime_ != null) {
      size += com.google.protobuf.CodedOutputStream.computeMessageSize(5, getCreateTime());
    }
    if (updateTime_ != null) {
      size += com.google.protobuf.CodedOutputStream.computeMessageSize(6, getUpdateTime());
    }
    if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(provider_)) {
      size += com.google.protobuf.GeneratedMessageV3.computeStringSize(7, provider_);
    }
    if (transportCase_ == 8) {
      size += com.google.protobuf.GeneratedMessageV3.computeStringSize(8, transport_);
    }
    if (state_ != com.google.cloud.eventarc.v1.Channel.State.STATE_UNSPECIFIED.getNumber()) {
      size += com.google.protobuf.CodedOutputStream.computeEnumSize(9, state_);
    }
    if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(activationToken_)) {
      size += com.google.protobuf.GeneratedMessageV3.computeStringSize(10, activationToken_);
    }
    if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(cryptoKeyName_)) {
      size += com.google.protobuf.GeneratedMessageV3.computeStringSize(11, cryptoKeyName_);
    }
    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.eventarc.v1.Channel)) {
      return super.equals(obj);
    }
    com.google.cloud.eventarc.v1.Channel other = (com.google.cloud.eventarc.v1.Channel) obj;

    if (!getName().equals(other.getName())) return false;
    if (!getUid().equals(other.getUid())) return false;
    if (hasCreateTime() != other.hasCreateTime()) return false;
    if (hasCreateTime()) {
      if (!getCreateTime().equals(other.getCreateTime())) return false;
    }
    if (hasUpdateTime() != other.hasUpdateTime()) return false;
    if (hasUpdateTime()) {
      if (!getUpdateTime().equals(other.getUpdateTime())) return false;
    }
    if (!getProvider().equals(other.getProvider())) return false;
    if (state_ != other.state_) return false;
    if (!getActivationToken().equals(other.getActivationToken())) return false;
    if (!getCryptoKeyName().equals(other.getCryptoKeyName())) return false;
    if (!getTransportCase().equals(other.getTransportCase())) return false;
    switch (transportCase_) {
      case 8:
        if (!getPubsubTopic().equals(other.getPubsubTopic())) return false;
        break;
      case 0:
      default:
    }
    if (!getUnknownFields().equals(other.getUnknownFields())) return false;
    return true;
  }

  @java.lang.Override
  public int hashCode() {
    if (memoizedHashCode != 0) {
      return memoizedHashCode;
    }
    int hash = 41;
    hash = (19 * hash) + getDescriptor().hashCode();
    hash = (37 * hash) + NAME_FIELD_NUMBER;
    hash = (53 * hash) + getName().hashCode();
    hash = (37 * hash) + UID_FIELD_NUMBER;
    hash = (53 * hash) + getUid().hashCode();
    if (hasCreateTime()) {
      hash = (37 * hash) + CREATE_TIME_FIELD_NUMBER;
      hash = (53 * hash) + getCreateTime().hashCode();
    }
    if (hasUpdateTime()) {
      hash = (37 * hash) + UPDATE_TIME_FIELD_NUMBER;
      hash = (53 * hash) + getUpdateTime().hashCode();
    }
    hash = (37 * hash) + PROVIDER_FIELD_NUMBER;
    hash = (53 * hash) + getProvider().hashCode();
    hash = (37 * hash) + STATE_FIELD_NUMBER;
    hash = (53 * hash) + state_;
    hash = (37 * hash) + ACTIVATION_TOKEN_FIELD_NUMBER;
    hash = (53 * hash) + getActivationToken().hashCode();
    hash = (37 * hash) + CRYPTO_KEY_NAME_FIELD_NUMBER;
    hash = (53 * hash) + getCryptoKeyName().hashCode();
    switch (transportCase_) {
      case 8:
        hash = (37 * hash) + PUBSUB_TOPIC_FIELD_NUMBER;
        hash = (53 * hash) + getPubsubTopic().hashCode();
        break;
      case 0:
      default:
    }
    hash = (29 * hash) + getUnknownFields().hashCode();
    memoizedHashCode = hash;
    return hash;
  }

  public static com.google.cloud.eventarc.v1.Channel parseFrom(java.nio.ByteBuffer data)
      throws com.google.protobuf.InvalidProtocolBufferException {
    return PARSER.parseFrom(data);
  }

  public static com.google.cloud.eventarc.v1.Channel 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.eventarc.v1.Channel parseFrom(com.google.protobuf.ByteString data)
      throws com.google.protobuf.InvalidProtocolBufferException {
    return PARSER.parseFrom(data);
  }

  public static com.google.cloud.eventarc.v1.Channel 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.eventarc.v1.Channel parseFrom(byte[] data)
      throws com.google.protobuf.InvalidProtocolBufferException {
    return PARSER.parseFrom(data);
  }

  public static com.google.cloud.eventarc.v1.Channel parseFrom(
      byte[] data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
      throws com.google.protobuf.InvalidProtocolBufferException {
    return PARSER.parseFrom(data, extensionRegistry);
  }

  public static com.google.cloud.eventarc.v1.Channel parseFrom(java.io.InputStream input)
      throws java.io.IOException {
    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
  }

  public static com.google.cloud.eventarc.v1.Channel 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.eventarc.v1.Channel parseDelimitedFrom(java.io.InputStream input)
      throws java.io.IOException {
    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(PARSER, input);
  }

  public static com.google.cloud.eventarc.v1.Channel 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.eventarc.v1.Channel parseFrom(
      com.google.protobuf.CodedInputStream input) throws java.io.IOException {
    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
  }

  public static com.google.cloud.eventarc.v1.Channel 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.eventarc.v1.Channel prototype) {
    return DEFAULT_INSTANCE.toBuilder().mergeFrom(prototype);
  }

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

  @java.lang.Override
  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
    Builder builder = new Builder(parent);
    return builder;
  }
  /**
   *
   *
   * <pre>
   * A representation of the Channel resource.
   * A Channel is a resource on which event providers publish their events.
   * The published events are delivered through the transport associated with the
   * channel. Note that a channel is associated with exactly one event provider.
   * </pre>
   *
   * Protobuf type {@code google.cloud.eventarc.v1.Channel}
   */
  public static final class Builder extends com.google.protobuf.GeneratedMessageV3.Builder<Builder>
      implements
      // @@protoc_insertion_point(builder_implements:google.cloud.eventarc.v1.Channel)
      com.google.cloud.eventarc.v1.ChannelOrBuilder {
    public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
      return com.google.cloud.eventarc.v1.ChannelProto
          .internal_static_google_cloud_eventarc_v1_Channel_descriptor;
    }

    @java.lang.Override
    protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
        internalGetFieldAccessorTable() {
      return com.google.cloud.eventarc.v1.ChannelProto
          .internal_static_google_cloud_eventarc_v1_Channel_fieldAccessorTable
          .ensureFieldAccessorsInitialized(
              com.google.cloud.eventarc.v1.Channel.class,
              com.google.cloud.eventarc.v1.Channel.Builder.class);
    }

    // Construct using com.google.cloud.eventarc.v1.Channel.newBuilder()
    private Builder() {}

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

    @java.lang.Override
    public Builder clear() {
      super.clear();
      bitField0_ = 0;
      name_ = "";
      uid_ = "";
      createTime_ = null;
      if (createTimeBuilder_ != null) {
        createTimeBuilder_.dispose();
        createTimeBuilder_ = null;
      }
      updateTime_ = null;
      if (updateTimeBuilder_ != null) {
        updateTimeBuilder_.dispose();
        updateTimeBuilder_ = null;
      }
      provider_ = "";
      state_ = 0;
      activationToken_ = "";
      cryptoKeyName_ = "";
      transportCase_ = 0;
      transport_ = null;
      return this;
    }

    @java.lang.Override
    public com.google.protobuf.Descriptors.Descriptor getDescriptorForType() {
      return com.google.cloud.eventarc.v1.ChannelProto
          .internal_static_google_cloud_eventarc_v1_Channel_descriptor;
    }

    @java.lang.Override
    public com.google.cloud.eventarc.v1.Channel getDefaultInstanceForType() {
      return com.google.cloud.eventarc.v1.Channel.getDefaultInstance();
    }

    @java.lang.Override
    public com.google.cloud.eventarc.v1.Channel build() {
      com.google.cloud.eventarc.v1.Channel result = buildPartial();
      if (!result.isInitialized()) {
        throw newUninitializedMessageException(result);
      }
      return result;
    }

    @java.lang.Override
    public com.google.cloud.eventarc.v1.Channel buildPartial() {
      com.google.cloud.eventarc.v1.Channel result = new com.google.cloud.eventarc.v1.Channel(this);
      if (bitField0_ != 0) {
        buildPartial0(result);
      }
      buildPartialOneofs(result);
      onBuilt();
      return result;
    }

    private void buildPartial0(com.google.cloud.eventarc.v1.Channel result) {
      int from_bitField0_ = bitField0_;
      if (((from_bitField0_ & 0x00000001) != 0)) {
        result.name_ = name_;
      }
      if (((from_bitField0_ & 0x00000002) != 0)) {
        result.uid_ = uid_;
      }
      if (((from_bitField0_ & 0x00000004) != 0)) {
        result.createTime_ = createTimeBuilder_ == null ? createTime_ : createTimeBuilder_.build();
      }
      if (((from_bitField0_ & 0x00000008) != 0)) {
        result.updateTime_ = updateTimeBuilder_ == null ? updateTime_ : updateTimeBuilder_.build();
      }
      if (((from_bitField0_ & 0x00000010) != 0)) {
        result.provider_ = provider_;
      }
      if (((from_bitField0_ & 0x00000040) != 0)) {
        result.state_ = state_;
      }
      if (((from_bitField0_ & 0x00000080) != 0)) {
        result.activationToken_ = activationToken_;
      }
      if (((from_bitField0_ & 0x00000100) != 0)) {
        result.cryptoKeyName_ = cryptoKeyName_;
      }
    }

    private void buildPartialOneofs(com.google.cloud.eventarc.v1.Channel result) {
      result.transportCase_ = transportCase_;
      result.transport_ = this.transport_;
    }

    @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.eventarc.v1.Channel) {
        return mergeFrom((com.google.cloud.eventarc.v1.Channel) other);
      } else {
        super.mergeFrom(other);
        return this;
      }
    }

    public Builder mergeFrom(com.google.cloud.eventarc.v1.Channel other) {
      if (other == com.google.cloud.eventarc.v1.Channel.getDefaultInstance()) return this;
      if (!other.getName().isEmpty()) {
        name_ = other.name_;
        bitField0_ |= 0x00000001;
        onChanged();
      }
      if (!other.getUid().isEmpty()) {
        uid_ = other.uid_;
        bitField0_ |= 0x00000002;
        onChanged();
      }
      if (other.hasCreateTime()) {
        mergeCreateTime(other.getCreateTime());
      }
      if (other.hasUpdateTime()) {
        mergeUpdateTime(other.getUpdateTime());
      }
      if (!other.getProvider().isEmpty()) {
        provider_ = other.provider_;
        bitField0_ |= 0x00000010;
        onChanged();
      }
      if (other.state_ != 0) {
        setStateValue(other.getStateValue());
      }
      if (!other.getActivationToken().isEmpty()) {
        activationToken_ = other.activationToken_;
        bitField0_ |= 0x00000080;
        onChanged();
      }
      if (!other.getCryptoKeyName().isEmpty()) {
        cryptoKeyName_ = other.cryptoKeyName_;
        bitField0_ |= 0x00000100;
        onChanged();
      }
      switch (other.getTransportCase()) {
        case PUBSUB_TOPIC:
          {
            transportCase_ = 8;
            transport_ = other.transport_;
            onChanged();
            break;
          }
        case TRANSPORT_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:
              {
                name_ = input.readStringRequireUtf8();
                bitField0_ |= 0x00000001;
                break;
              } // case 10
            case 18:
              {
                uid_ = input.readStringRequireUtf8();
                bitField0_ |= 0x00000002;
                break;
              } // case 18
            case 42:
              {
                input.readMessage(getCreateTimeFieldBuilder().getBuilder(), extensionRegistry);
                bitField0_ |= 0x00000004;
                break;
              } // case 42
            case 50:
              {
                input.readMessage(getUpdateTimeFieldBuilder().getBuilder(), extensionRegistry);
                bitField0_ |= 0x00000008;
                break;
              } // case 50
            case 58:
              {
                provider_ = input.readStringRequireUtf8();
                bitField0_ |= 0x00000010;
                break;
              } // case 58
            case 66:
              {
                java.lang.String s = input.readStringRequireUtf8();
                transportCase_ = 8;
                transport_ = s;
                break;
              } // case 66
            case 72:
              {
                state_ = input.readEnum();
                bitField0_ |= 0x00000040;
                break;
              } // case 72
            case 82:
              {
                activationToken_ = input.readStringRequireUtf8();
                bitField0_ |= 0x00000080;
                break;
              } // case 82
            case 90:
              {
                cryptoKeyName_ = input.readStringRequireUtf8();
                bitField0_ |= 0x00000100;
                break;
              } // case 90
            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 transportCase_ = 0;
    private java.lang.Object transport_;

    public TransportCase getTransportCase() {
      return TransportCase.forNumber(transportCase_);
    }

    public Builder clearTransport() {
      transportCase_ = 0;
      transport_ = null;
      onChanged();
      return this;
    }

    private int bitField0_;

    private java.lang.Object name_ = "";
    /**
     *
     *
     * <pre>
     * Required. The resource name of the channel. Must be unique within the
     * location on the project and must be in
     * `projects/{project}/locations/{location}/channels/{channel_id}` format.
     * </pre>
     *
     * <code>string name = 1 [(.google.api.field_behavior) = REQUIRED];</code>
     *
     * @return The name.
     */
    public java.lang.String getName() {
      java.lang.Object ref = name_;
      if (!(ref instanceof java.lang.String)) {
        com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
        java.lang.String s = bs.toStringUtf8();
        name_ = s;
        return s;
      } else {
        return (java.lang.String) ref;
      }
    }
    /**
     *
     *
     * <pre>
     * Required. The resource name of the channel. Must be unique within the
     * location on the project and must be in
     * `projects/{project}/locations/{location}/channels/{channel_id}` format.
     * </pre>
     *
     * <code>string name = 1 [(.google.api.field_behavior) = REQUIRED];</code>
     *
     * @return The bytes for name.
     */
    public com.google.protobuf.ByteString getNameBytes() {
      java.lang.Object ref = name_;
      if (ref instanceof String) {
        com.google.protobuf.ByteString b =
            com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
        name_ = b;
        return b;
      } else {
        return (com.google.protobuf.ByteString) ref;
      }
    }
    /**
     *
     *
     * <pre>
     * Required. The resource name of the channel. Must be unique within the
     * location on the project and must be in
     * `projects/{project}/locations/{location}/channels/{channel_id}` format.
     * </pre>
     *
     * <code>string name = 1 [(.google.api.field_behavior) = REQUIRED];</code>
     *
     * @param value The name to set.
     * @return This builder for chaining.
     */
    public Builder setName(java.lang.String value) {
      if (value == null) {
        throw new NullPointerException();
      }
      name_ = value;
      bitField0_ |= 0x00000001;
      onChanged();
      return this;
    }
    /**
     *
     *
     * <pre>
     * Required. The resource name of the channel. Must be unique within the
     * location on the project and must be in
     * `projects/{project}/locations/{location}/channels/{channel_id}` format.
     * </pre>
     *
     * <code>string name = 1 [(.google.api.field_behavior) = REQUIRED];</code>
     *
     * @return This builder for chaining.
     */
    public Builder clearName() {
      name_ = getDefaultInstance().getName();
      bitField0_ = (bitField0_ & ~0x00000001);
      onChanged();
      return this;
    }
    /**
     *
     *
     * <pre>
     * Required. The resource name of the channel. Must be unique within the
     * location on the project and must be in
     * `projects/{project}/locations/{location}/channels/{channel_id}` format.
     * </pre>
     *
     * <code>string name = 1 [(.google.api.field_behavior) = REQUIRED];</code>
     *
     * @param value The bytes for name to set.
     * @return This builder for chaining.
     */
    public Builder setNameBytes(com.google.protobuf.ByteString value) {
      if (value == null) {
        throw new NullPointerException();
      }
      checkByteStringIsUtf8(value);
      name_ = value;
      bitField0_ |= 0x00000001;
      onChanged();
      return this;
    }

    private java.lang.Object uid_ = "";
    /**
     *
     *
     * <pre>
     * Output only. Server assigned unique identifier for the channel. The value
     * is a UUID4 string and guaranteed to remain unchanged until the resource is
     * deleted.
     * </pre>
     *
     * <code>string uid = 2 [(.google.api.field_behavior) = OUTPUT_ONLY];</code>
     *
     * @return The uid.
     */
    public java.lang.String getUid() {
      java.lang.Object ref = uid_;
      if (!(ref instanceof java.lang.String)) {
        com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
        java.lang.String s = bs.toStringUtf8();
        uid_ = s;
        return s;
      } else {
        return (java.lang.String) ref;
      }
    }
    /**
     *
     *
     * <pre>
     * Output only. Server assigned unique identifier for the channel. The value
     * is a UUID4 string and guaranteed to remain unchanged until the resource is
     * deleted.
     * </pre>
     *
     * <code>string uid = 2 [(.google.api.field_behavior) = OUTPUT_ONLY];</code>
     *
     * @return The bytes for uid.
     */
    public com.google.protobuf.ByteString getUidBytes() {
      java.lang.Object ref = uid_;
      if (ref instanceof String) {
        com.google.protobuf.ByteString b =
            com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
        uid_ = b;
        return b;
      } else {
        return (com.google.protobuf.ByteString) ref;
      }
    }
    /**
     *
     *
     * <pre>
     * Output only. Server assigned unique identifier for the channel. The value
     * is a UUID4 string and guaranteed to remain unchanged until the resource is
     * deleted.
     * </pre>
     *
     * <code>string uid = 2 [(.google.api.field_behavior) = OUTPUT_ONLY];</code>
     *
     * @param value The uid to set.
     * @return This builder for chaining.
     */
    public Builder setUid(java.lang.String value) {
      if (value == null) {
        throw new NullPointerException();
      }
      uid_ = value;
      bitField0_ |= 0x00000002;
      onChanged();
      return this;
    }
    /**
     *
     *
     * <pre>
     * Output only. Server assigned unique identifier for the channel. The value
     * is a UUID4 string and guaranteed to remain unchanged until the resource is
     * deleted.
     * </pre>
     *
     * <code>string uid = 2 [(.google.api.field_behavior) = OUTPUT_ONLY];</code>
     *
     * @return This builder for chaining.
     */
    public Builder clearUid() {
      uid_ = getDefaultInstance().getUid();
      bitField0_ = (bitField0_ & ~0x00000002);
      onChanged();
      return this;
    }
    /**
     *
     *
     * <pre>
     * Output only. Server assigned unique identifier for the channel. The value
     * is a UUID4 string and guaranteed to remain unchanged until the resource is
     * deleted.
     * </pre>
     *
     * <code>string uid = 2 [(.google.api.field_behavior) = OUTPUT_ONLY];</code>
     *
     * @param value The bytes for uid to set.
     * @return This builder for chaining.
     */
    public Builder setUidBytes(com.google.protobuf.ByteString value) {
      if (value == null) {
        throw new NullPointerException();
      }
      checkByteStringIsUtf8(value);
      uid_ = value;
      bitField0_ |= 0x00000002;
      onChanged();
      return this;
    }

    private com.google.protobuf.Timestamp createTime_;
    private com.google.protobuf.SingleFieldBuilderV3<
            com.google.protobuf.Timestamp,
            com.google.protobuf.Timestamp.Builder,
            com.google.protobuf.TimestampOrBuilder>
        createTimeBuilder_;
    /**
     *
     *
     * <pre>
     * Output only. The creation time.
     * </pre>
     *
     * <code>
     * .google.protobuf.Timestamp create_time = 5 [(.google.api.field_behavior) = OUTPUT_ONLY];
     * </code>
     *
     * @return Whether the createTime field is set.
     */
    public boolean hasCreateTime() {
      return ((bitField0_ & 0x00000004) != 0);
    }
    /**
     *
     *
     * <pre>
     * Output only. The creation time.
     * </pre>
     *
     * <code>
     * .google.protobuf.Timestamp create_time = 5 [(.google.api.field_behavior) = OUTPUT_ONLY];
     * </code>
     *
     * @return The createTime.
     */
    public com.google.protobuf.Timestamp getCreateTime() {
      if (createTimeBuilder_ == null) {
        return createTime_ == null
            ? com.google.protobuf.Timestamp.getDefaultInstance()
            : createTime_;
      } else {
        return createTimeBuilder_.getMessage();
      }
    }
    /**
     *
     *
     * <pre>
     * Output only. The creation time.
     * </pre>
     *
     * <code>
     * .google.protobuf.Timestamp create_time = 5 [(.google.api.field_behavior) = OUTPUT_ONLY];
     * </code>
     */
    public Builder setCreateTime(com.google.protobuf.Timestamp value) {
      if (createTimeBuilder_ == null) {
        if (value == null) {
          throw new NullPointerException();
        }
        createTime_ = value;
      } else {
        createTimeBuilder_.setMessage(value);
      }
      bitField0_ |= 0x00000004;
      onChanged();
      return this;
    }
    /**
     *
     *
     * <pre>
     * Output only. The creation time.
     * </pre>
     *
     * <code>
     * .google.protobuf.Timestamp create_time = 5 [(.google.api.field_behavior) = OUTPUT_ONLY];
     * </code>
     */
    public Builder setCreateTime(com.google.protobuf.Timestamp.Builder builderForValue) {
      if (createTimeBuilder_ == null) {
        createTime_ = builderForValue.build();
      } else {
        createTimeBuilder_.setMessage(builderForValue.build());
      }
      bitField0_ |= 0x00000004;
      onChanged();
      return this;
    }
    /**
     *
     *
     * <pre>
     * Output only. The creation time.
     * </pre>
     *
     * <code>
     * .google.protobuf.Timestamp create_time = 5 [(.google.api.field_behavior) = OUTPUT_ONLY];
     * </code>
     */
    public Builder mergeCreateTime(com.google.protobuf.Timestamp value) {
      if (createTimeBuilder_ == null) {
        if (((bitField0_ & 0x00000004) != 0)
            && createTime_ != null
            && createTime_ != com.google.protobuf.Timestamp.getDefaultInstance()) {
          getCreateTimeBuilder().mergeFrom(value);
        } else {
          createTime_ = value;
        }
      } else {
        createTimeBuilder_.mergeFrom(value);
      }
      bitField0_ |= 0x00000004;
      onChanged();
      return this;
    }
    /**
     *
     *
     * <pre>
     * Output only. The creation time.
     * </pre>
     *
     * <code>
     * .google.protobuf.Timestamp create_time = 5 [(.google.api.field_behavior) = OUTPUT_ONLY];
     * </code>
     */
    public Builder clearCreateTime() {
      bitField0_ = (bitField0_ & ~0x00000004);
      createTime_ = null;
      if (createTimeBuilder_ != null) {
        createTimeBuilder_.dispose();
        createTimeBuilder_ = null;
      }
      onChanged();
      return this;
    }
    /**
     *
     *
     * <pre>
     * Output only. The creation time.
     * </pre>
     *
     * <code>
     * .google.protobuf.Timestamp create_time = 5 [(.google.api.field_behavior) = OUTPUT_ONLY];
     * </code>
     */
    public com.google.protobuf.Timestamp.Builder getCreateTimeBuilder() {
      bitField0_ |= 0x00000004;
      onChanged();
      return getCreateTimeFieldBuilder().getBuilder();
    }
    /**
     *
     *
     * <pre>
     * Output only. The creation time.
     * </pre>
     *
     * <code>
     * .google.protobuf.Timestamp create_time = 5 [(.google.api.field_behavior) = OUTPUT_ONLY];
     * </code>
     */
    public com.google.protobuf.TimestampOrBuilder getCreateTimeOrBuilder() {
      if (createTimeBuilder_ != null) {
        return createTimeBuilder_.getMessageOrBuilder();
      } else {
        return createTime_ == null
            ? com.google.protobuf.Timestamp.getDefaultInstance()
            : createTime_;
      }
    }
    /**
     *
     *
     * <pre>
     * Output only. The creation time.
     * </pre>
     *
     * <code>
     * .google.protobuf.Timestamp create_time = 5 [(.google.api.field_behavior) = OUTPUT_ONLY];
     * </code>
     */
    private com.google.protobuf.SingleFieldBuilderV3<
            com.google.protobuf.Timestamp,
            com.google.protobuf.Timestamp.Builder,
            com.google.protobuf.TimestampOrBuilder>
        getCreateTimeFieldBuilder() {
      if (createTimeBuilder_ == null) {
        createTimeBuilder_ =
            new com.google.protobuf.SingleFieldBuilderV3<
                com.google.protobuf.Timestamp,
                com.google.protobuf.Timestamp.Builder,
                com.google.protobuf.TimestampOrBuilder>(
                getCreateTime(), getParentForChildren(), isClean());
        createTime_ = null;
      }
      return createTimeBuilder_;
    }

    private com.google.protobuf.Timestamp updateTime_;
    private com.google.protobuf.SingleFieldBuilderV3<
            com.google.protobuf.Timestamp,
            com.google.protobuf.Timestamp.Builder,
            com.google.protobuf.TimestampOrBuilder>
        updateTimeBuilder_;
    /**
     *
     *
     * <pre>
     * Output only. The last-modified time.
     * </pre>
     *
     * <code>
     * .google.protobuf.Timestamp update_time = 6 [(.google.api.field_behavior) = OUTPUT_ONLY];
     * </code>
     *
     * @return Whether the updateTime field is set.
     */
    public boolean hasUpdateTime() {
      return ((bitField0_ & 0x00000008) != 0);
    }
    /**
     *
     *
     * <pre>
     * Output only. The last-modified time.
     * </pre>
     *
     * <code>
     * .google.protobuf.Timestamp update_time = 6 [(.google.api.field_behavior) = OUTPUT_ONLY];
     * </code>
     *
     * @return The updateTime.
     */
    public com.google.protobuf.Timestamp getUpdateTime() {
      if (updateTimeBuilder_ == null) {
        return updateTime_ == null
            ? com.google.protobuf.Timestamp.getDefaultInstance()
            : updateTime_;
      } else {
        return updateTimeBuilder_.getMessage();
      }
    }
    /**
     *
     *
     * <pre>
     * Output only. The last-modified time.
     * </pre>
     *
     * <code>
     * .google.protobuf.Timestamp update_time = 6 [(.google.api.field_behavior) = OUTPUT_ONLY];
     * </code>
     */
    public Builder setUpdateTime(com.google.protobuf.Timestamp value) {
      if (updateTimeBuilder_ == null) {
        if (value == null) {
          throw new NullPointerException();
        }
        updateTime_ = value;
      } else {
        updateTimeBuilder_.setMessage(value);
      }
      bitField0_ |= 0x00000008;
      onChanged();
      return this;
    }
    /**
     *
     *
     * <pre>
     * Output only. The last-modified time.
     * </pre>
     *
     * <code>
     * .google.protobuf.Timestamp update_time = 6 [(.google.api.field_behavior) = OUTPUT_ONLY];
     * </code>
     */
    public Builder setUpdateTime(com.google.protobuf.Timestamp.Builder builderForValue) {
      if (updateTimeBuilder_ == null) {
        updateTime_ = builderForValue.build();
      } else {
        updateTimeBuilder_.setMessage(builderForValue.build());
      }
      bitField0_ |= 0x00000008;
      onChanged();
      return this;
    }
    /**
     *
     *
     * <pre>
     * Output only. The last-modified time.
     * </pre>
     *
     * <code>
     * .google.protobuf.Timestamp update_time = 6 [(.google.api.field_behavior) = OUTPUT_ONLY];
     * </code>
     */
    public Builder mergeUpdateTime(com.google.protobuf.Timestamp value) {
      if (updateTimeBuilder_ == null) {
        if (((bitField0_ & 0x00000008) != 0)
            && updateTime_ != null
            && updateTime_ != com.google.protobuf.Timestamp.getDefaultInstance()) {
          getUpdateTimeBuilder().mergeFrom(value);
        } else {
          updateTime_ = value;
        }
      } else {
        updateTimeBuilder_.mergeFrom(value);
      }
      bitField0_ |= 0x00000008;
      onChanged();
      return this;
    }
    /**
     *
     *
     * <pre>
     * Output only. The last-modified time.
     * </pre>
     *
     * <code>
     * .google.protobuf.Timestamp update_time = 6 [(.google.api.field_behavior) = OUTPUT_ONLY];
     * </code>
     */
    public Builder clearUpdateTime() {
      bitField0_ = (bitField0_ & ~0x00000008);
      updateTime_ = null;
      if (updateTimeBuilder_ != null) {
        updateTimeBuilder_.dispose();
        updateTimeBuilder_ = null;
      }
      onChanged();
      return this;
    }
    /**
     *
     *
     * <pre>
     * Output only. The last-modified time.
     * </pre>
     *
     * <code>
     * .google.protobuf.Timestamp update_time = 6 [(.google.api.field_behavior) = OUTPUT_ONLY];
     * </code>
     */
    public com.google.protobuf.Timestamp.Builder getUpdateTimeBuilder() {
      bitField0_ |= 0x00000008;
      onChanged();
      return getUpdateTimeFieldBuilder().getBuilder();
    }
    /**
     *
     *
     * <pre>
     * Output only. The last-modified time.
     * </pre>
     *
     * <code>
     * .google.protobuf.Timestamp update_time = 6 [(.google.api.field_behavior) = OUTPUT_ONLY];
     * </code>
     */
    public com.google.protobuf.TimestampOrBuilder getUpdateTimeOrBuilder() {
      if (updateTimeBuilder_ != null) {
        return updateTimeBuilder_.getMessageOrBuilder();
      } else {
        return updateTime_ == null
            ? com.google.protobuf.Timestamp.getDefaultInstance()
            : updateTime_;
      }
    }
    /**
     *
     *
     * <pre>
     * Output only. The last-modified time.
     * </pre>
     *
     * <code>
     * .google.protobuf.Timestamp update_time = 6 [(.google.api.field_behavior) = OUTPUT_ONLY];
     * </code>
     */
    private com.google.protobuf.SingleFieldBuilderV3<
            com.google.protobuf.Timestamp,
            com.google.protobuf.Timestamp.Builder,
            com.google.protobuf.TimestampOrBuilder>
        getUpdateTimeFieldBuilder() {
      if (updateTimeBuilder_ == null) {
        updateTimeBuilder_ =
            new com.google.protobuf.SingleFieldBuilderV3<
                com.google.protobuf.Timestamp,
                com.google.protobuf.Timestamp.Builder,
                com.google.protobuf.TimestampOrBuilder>(
                getUpdateTime(), getParentForChildren(), isClean());
        updateTime_ = null;
      }
      return updateTimeBuilder_;
    }

    private java.lang.Object provider_ = "";
    /**
     *
     *
     * <pre>
     * The name of the event provider (e.g. Eventarc SaaS partner) associated
     * with the channel. This provider will be granted permissions to publish
     * events to the channel. Format:
     * `projects/{project}/locations/{location}/providers/{provider_id}`.
     * </pre>
     *
     * <code>string provider = 7;</code>
     *
     * @return The provider.
     */
    public java.lang.String getProvider() {
      java.lang.Object ref = provider_;
      if (!(ref instanceof java.lang.String)) {
        com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
        java.lang.String s = bs.toStringUtf8();
        provider_ = s;
        return s;
      } else {
        return (java.lang.String) ref;
      }
    }
    /**
     *
     *
     * <pre>
     * The name of the event provider (e.g. Eventarc SaaS partner) associated
     * with the channel. This provider will be granted permissions to publish
     * events to the channel. Format:
     * `projects/{project}/locations/{location}/providers/{provider_id}`.
     * </pre>
     *
     * <code>string provider = 7;</code>
     *
     * @return The bytes for provider.
     */
    public com.google.protobuf.ByteString getProviderBytes() {
      java.lang.Object ref = provider_;
      if (ref instanceof String) {
        com.google.protobuf.ByteString b =
            com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
        provider_ = b;
        return b;
      } else {
        return (com.google.protobuf.ByteString) ref;
      }
    }
    /**
     *
     *
     * <pre>
     * The name of the event provider (e.g. Eventarc SaaS partner) associated
     * with the channel. This provider will be granted permissions to publish
     * events to the channel. Format:
     * `projects/{project}/locations/{location}/providers/{provider_id}`.
     * </pre>
     *
     * <code>string provider = 7;</code>
     *
     * @param value The provider to set.
     * @return This builder for chaining.
     */
    public Builder setProvider(java.lang.String value) {
      if (value == null) {
        throw new NullPointerException();
      }
      provider_ = value;
      bitField0_ |= 0x00000010;
      onChanged();
      return this;
    }
    /**
     *
     *
     * <pre>
     * The name of the event provider (e.g. Eventarc SaaS partner) associated
     * with the channel. This provider will be granted permissions to publish
     * events to the channel. Format:
     * `projects/{project}/locations/{location}/providers/{provider_id}`.
     * </pre>
     *
     * <code>string provider = 7;</code>
     *
     * @return This builder for chaining.
     */
    public Builder clearProvider() {
      provider_ = getDefaultInstance().getProvider();
      bitField0_ = (bitField0_ & ~0x00000010);
      onChanged();
      return this;
    }
    /**
     *
     *
     * <pre>
     * The name of the event provider (e.g. Eventarc SaaS partner) associated
     * with the channel. This provider will be granted permissions to publish
     * events to the channel. Format:
     * `projects/{project}/locations/{location}/providers/{provider_id}`.
     * </pre>
     *
     * <code>string provider = 7;</code>
     *
     * @param value The bytes for provider to set.
     * @return This builder for chaining.
     */
    public Builder setProviderBytes(com.google.protobuf.ByteString value) {
      if (value == null) {
        throw new NullPointerException();
      }
      checkByteStringIsUtf8(value);
      provider_ = value;
      bitField0_ |= 0x00000010;
      onChanged();
      return this;
    }

    /**
     *
     *
     * <pre>
     * Output only. The name of the Pub/Sub topic created and managed by
     * Eventarc system as a transport for the event delivery. Format:
     * `projects/{project}/topics/{topic_id}`.
     * </pre>
     *
     * <code>string pubsub_topic = 8 [(.google.api.field_behavior) = OUTPUT_ONLY];</code>
     *
     * @return Whether the pubsubTopic field is set.
     */
    @java.lang.Override
    public boolean hasPubsubTopic() {
      return transportCase_ == 8;
    }
    /**
     *
     *
     * <pre>
     * Output only. The name of the Pub/Sub topic created and managed by
     * Eventarc system as a transport for the event delivery. Format:
     * `projects/{project}/topics/{topic_id}`.
     * </pre>
     *
     * <code>string pubsub_topic = 8 [(.google.api.field_behavior) = OUTPUT_ONLY];</code>
     *
     * @return The pubsubTopic.
     */
    @java.lang.Override
    public java.lang.String getPubsubTopic() {
      java.lang.Object ref = "";
      if (transportCase_ == 8) {
        ref = transport_;
      }
      if (!(ref instanceof java.lang.String)) {
        com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
        java.lang.String s = bs.toStringUtf8();
        if (transportCase_ == 8) {
          transport_ = s;
        }
        return s;
      } else {
        return (java.lang.String) ref;
      }
    }
    /**
     *
     *
     * <pre>
     * Output only. The name of the Pub/Sub topic created and managed by
     * Eventarc system as a transport for the event delivery. Format:
     * `projects/{project}/topics/{topic_id}`.
     * </pre>
     *
     * <code>string pubsub_topic = 8 [(.google.api.field_behavior) = OUTPUT_ONLY];</code>
     *
     * @return The bytes for pubsubTopic.
     */
    @java.lang.Override
    public com.google.protobuf.ByteString getPubsubTopicBytes() {
      java.lang.Object ref = "";
      if (transportCase_ == 8) {
        ref = transport_;
      }
      if (ref instanceof String) {
        com.google.protobuf.ByteString b =
            com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
        if (transportCase_ == 8) {
          transport_ = b;
        }
        return b;
      } else {
        return (com.google.protobuf.ByteString) ref;
      }
    }
    /**
     *
     *
     * <pre>
     * Output only. The name of the Pub/Sub topic created and managed by
     * Eventarc system as a transport for the event delivery. Format:
     * `projects/{project}/topics/{topic_id}`.
     * </pre>
     *
     * <code>string pubsub_topic = 8 [(.google.api.field_behavior) = OUTPUT_ONLY];</code>
     *
     * @param value The pubsubTopic to set.
     * @return This builder for chaining.
     */
    public Builder setPubsubTopic(java.lang.String value) {
      if (value == null) {
        throw new NullPointerException();
      }
      transportCase_ = 8;
      transport_ = value;
      onChanged();
      return this;
    }
    /**
     *
     *
     * <pre>
     * Output only. The name of the Pub/Sub topic created and managed by
     * Eventarc system as a transport for the event delivery. Format:
     * `projects/{project}/topics/{topic_id}`.
     * </pre>
     *
     * <code>string pubsub_topic = 8 [(.google.api.field_behavior) = OUTPUT_ONLY];</code>
     *
     * @return This builder for chaining.
     */
    public Builder clearPubsubTopic() {
      if (transportCase_ == 8) {
        transportCase_ = 0;
        transport_ = null;
        onChanged();
      }
      return this;
    }
    /**
     *
     *
     * <pre>
     * Output only. The name of the Pub/Sub topic created and managed by
     * Eventarc system as a transport for the event delivery. Format:
     * `projects/{project}/topics/{topic_id}`.
     * </pre>
     *
     * <code>string pubsub_topic = 8 [(.google.api.field_behavior) = OUTPUT_ONLY];</code>
     *
     * @param value The bytes for pubsubTopic to set.
     * @return This builder for chaining.
     */
    public Builder setPubsubTopicBytes(com.google.protobuf.ByteString value) {
      if (value == null) {
        throw new NullPointerException();
      }
      checkByteStringIsUtf8(value);
      transportCase_ = 8;
      transport_ = value;
      onChanged();
      return this;
    }

    private int state_ = 0;
    /**
     *
     *
     * <pre>
     * Output only. The state of a Channel.
     * </pre>
     *
     * <code>
     * .google.cloud.eventarc.v1.Channel.State state = 9 [(.google.api.field_behavior) = OUTPUT_ONLY];
     * </code>
     *
     * @return The enum numeric value on the wire for state.
     */
    @java.lang.Override
    public int getStateValue() {
      return state_;
    }
    /**
     *
     *
     * <pre>
     * Output only. The state of a Channel.
     * </pre>
     *
     * <code>
     * .google.cloud.eventarc.v1.Channel.State state = 9 [(.google.api.field_behavior) = OUTPUT_ONLY];
     * </code>
     *
     * @param value The enum numeric value on the wire for state to set.
     * @return This builder for chaining.
     */
    public Builder setStateValue(int value) {
      state_ = value;
      bitField0_ |= 0x00000040;
      onChanged();
      return this;
    }
    /**
     *
     *
     * <pre>
     * Output only. The state of a Channel.
     * </pre>
     *
     * <code>
     * .google.cloud.eventarc.v1.Channel.State state = 9 [(.google.api.field_behavior) = OUTPUT_ONLY];
     * </code>
     *
     * @return The state.
     */
    @java.lang.Override
    public com.google.cloud.eventarc.v1.Channel.State getState() {
      com.google.cloud.eventarc.v1.Channel.State result =
          com.google.cloud.eventarc.v1.Channel.State.forNumber(state_);
      return result == null ? com.google.cloud.eventarc.v1.Channel.State.UNRECOGNIZED : result;
    }
    /**
     *
     *
     * <pre>
     * Output only. The state of a Channel.
     * </pre>
     *
     * <code>
     * .google.cloud.eventarc.v1.Channel.State state = 9 [(.google.api.field_behavior) = OUTPUT_ONLY];
     * </code>
     *
     * @param value The state to set.
     * @return This builder for chaining.
     */
    public Builder setState(com.google.cloud.eventarc.v1.Channel.State value) {
      if (value == null) {
        throw new NullPointerException();
      }
      bitField0_ |= 0x00000040;
      state_ = value.getNumber();
      onChanged();
      return this;
    }
    /**
     *
     *
     * <pre>
     * Output only. The state of a Channel.
     * </pre>
     *
     * <code>
     * .google.cloud.eventarc.v1.Channel.State state = 9 [(.google.api.field_behavior) = OUTPUT_ONLY];
     * </code>
     *
     * @return This builder for chaining.
     */
    public Builder clearState() {
      bitField0_ = (bitField0_ & ~0x00000040);
      state_ = 0;
      onChanged();
      return this;
    }

    private java.lang.Object activationToken_ = "";
    /**
     *
     *
     * <pre>
     * Output only. The activation token for the channel. The token must be used
     * by the provider to register the channel for publishing.
     * </pre>
     *
     * <code>string activation_token = 10 [(.google.api.field_behavior) = OUTPUT_ONLY];</code>
     *
     * @return The activationToken.
     */
    public java.lang.String getActivationToken() {
      java.lang.Object ref = activationToken_;
      if (!(ref instanceof java.lang.String)) {
        com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
        java.lang.String s = bs.toStringUtf8();
        activationToken_ = s;
        return s;
      } else {
        return (java.lang.String) ref;
      }
    }
    /**
     *
     *
     * <pre>
     * Output only. The activation token for the channel. The token must be used
     * by the provider to register the channel for publishing.
     * </pre>
     *
     * <code>string activation_token = 10 [(.google.api.field_behavior) = OUTPUT_ONLY];</code>
     *
     * @return The bytes for activationToken.
     */
    public com.google.protobuf.ByteString getActivationTokenBytes() {
      java.lang.Object ref = activationToken_;
      if (ref instanceof String) {
        com.google.protobuf.ByteString b =
            com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
        activationToken_ = b;
        return b;
      } else {
        return (com.google.protobuf.ByteString) ref;
      }
    }
    /**
     *
     *
     * <pre>
     * Output only. The activation token for the channel. The token must be used
     * by the provider to register the channel for publishing.
     * </pre>
     *
     * <code>string activation_token = 10 [(.google.api.field_behavior) = OUTPUT_ONLY];</code>
     *
     * @param value The activationToken to set.
     * @return This builder for chaining.
     */
    public Builder setActivationToken(java.lang.String value) {
      if (value == null) {
        throw new NullPointerException();
      }
      activationToken_ = value;
      bitField0_ |= 0x00000080;
      onChanged();
      return this;
    }
    /**
     *
     *
     * <pre>
     * Output only. The activation token for the channel. The token must be used
     * by the provider to register the channel for publishing.
     * </pre>
     *
     * <code>string activation_token = 10 [(.google.api.field_behavior) = OUTPUT_ONLY];</code>
     *
     * @return This builder for chaining.
     */
    public Builder clearActivationToken() {
      activationToken_ = getDefaultInstance().getActivationToken();
      bitField0_ = (bitField0_ & ~0x00000080);
      onChanged();
      return this;
    }
    /**
     *
     *
     * <pre>
     * Output only. The activation token for the channel. The token must be used
     * by the provider to register the channel for publishing.
     * </pre>
     *
     * <code>string activation_token = 10 [(.google.api.field_behavior) = OUTPUT_ONLY];</code>
     *
     * @param value The bytes for activationToken to set.
     * @return This builder for chaining.
     */
    public Builder setActivationTokenBytes(com.google.protobuf.ByteString value) {
      if (value == null) {
        throw new NullPointerException();
      }
      checkByteStringIsUtf8(value);
      activationToken_ = value;
      bitField0_ |= 0x00000080;
      onChanged();
      return this;
    }

    private java.lang.Object cryptoKeyName_ = "";
    /**
     *
     *
     * <pre>
     * Optional. Resource name of a KMS crypto key (managed by the user) used to
     * encrypt/decrypt their event data.
     * It must match the pattern
     * `projects/&#42;&#47;locations/&#42;&#47;keyRings/&#42;&#47;cryptoKeys/&#42;`.
     * </pre>
     *
     * <code>
     * string crypto_key_name = 11 [(.google.api.field_behavior) = OPTIONAL, (.google.api.resource_reference) = { ... }
     * </code>
     *
     * @return The cryptoKeyName.
     */
    public java.lang.String getCryptoKeyName() {
      java.lang.Object ref = cryptoKeyName_;
      if (!(ref instanceof java.lang.String)) {
        com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
        java.lang.String s = bs.toStringUtf8();
        cryptoKeyName_ = s;
        return s;
      } else {
        return (java.lang.String) ref;
      }
    }
    /**
     *
     *
     * <pre>
     * Optional. Resource name of a KMS crypto key (managed by the user) used to
     * encrypt/decrypt their event data.
     * It must match the pattern
     * `projects/&#42;&#47;locations/&#42;&#47;keyRings/&#42;&#47;cryptoKeys/&#42;`.
     * </pre>
     *
     * <code>
     * string crypto_key_name = 11 [(.google.api.field_behavior) = OPTIONAL, (.google.api.resource_reference) = { ... }
     * </code>
     *
     * @return The bytes for cryptoKeyName.
     */
    public com.google.protobuf.ByteString getCryptoKeyNameBytes() {
      java.lang.Object ref = cryptoKeyName_;
      if (ref instanceof String) {
        com.google.protobuf.ByteString b =
            com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
        cryptoKeyName_ = b;
        return b;
      } else {
        return (com.google.protobuf.ByteString) ref;
      }
    }
    /**
     *
     *
     * <pre>
     * Optional. Resource name of a KMS crypto key (managed by the user) used to
     * encrypt/decrypt their event data.
     * It must match the pattern
     * `projects/&#42;&#47;locations/&#42;&#47;keyRings/&#42;&#47;cryptoKeys/&#42;`.
     * </pre>
     *
     * <code>
     * string crypto_key_name = 11 [(.google.api.field_behavior) = OPTIONAL, (.google.api.resource_reference) = { ... }
     * </code>
     *
     * @param value The cryptoKeyName to set.
     * @return This builder for chaining.
     */
    public Builder setCryptoKeyName(java.lang.String value) {
      if (value == null) {
        throw new NullPointerException();
      }
      cryptoKeyName_ = value;
      bitField0_ |= 0x00000100;
      onChanged();
      return this;
    }
    /**
     *
     *
     * <pre>
     * Optional. Resource name of a KMS crypto key (managed by the user) used to
     * encrypt/decrypt their event data.
     * It must match the pattern
     * `projects/&#42;&#47;locations/&#42;&#47;keyRings/&#42;&#47;cryptoKeys/&#42;`.
     * </pre>
     *
     * <code>
     * string crypto_key_name = 11 [(.google.api.field_behavior) = OPTIONAL, (.google.api.resource_reference) = { ... }
     * </code>
     *
     * @return This builder for chaining.
     */
    public Builder clearCryptoKeyName() {
      cryptoKeyName_ = getDefaultInstance().getCryptoKeyName();
      bitField0_ = (bitField0_ & ~0x00000100);
      onChanged();
      return this;
    }
    /**
     *
     *
     * <pre>
     * Optional. Resource name of a KMS crypto key (managed by the user) used to
     * encrypt/decrypt their event data.
     * It must match the pattern
     * `projects/&#42;&#47;locations/&#42;&#47;keyRings/&#42;&#47;cryptoKeys/&#42;`.
     * </pre>
     *
     * <code>
     * string crypto_key_name = 11 [(.google.api.field_behavior) = OPTIONAL, (.google.api.resource_reference) = { ... }
     * </code>
     *
     * @param value The bytes for cryptoKeyName to set.
     * @return This builder for chaining.
     */
    public Builder setCryptoKeyNameBytes(com.google.protobuf.ByteString value) {
      if (value == null) {
        throw new NullPointerException();
      }
      checkByteStringIsUtf8(value);
      cryptoKeyName_ = value;
      bitField0_ |= 0x00000100;
      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.eventarc.v1.Channel)
  }

  // @@protoc_insertion_point(class_scope:google.cloud.eventarc.v1.Channel)
  private static final com.google.cloud.eventarc.v1.Channel DEFAULT_INSTANCE;

  static {
    DEFAULT_INSTANCE = new com.google.cloud.eventarc.v1.Channel();
  }

  public static com.google.cloud.eventarc.v1.Channel getDefaultInstance() {
    return DEFAULT_INSTANCE;
  }

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

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

  @java.lang.Override
  public com.google.cloud.eventarc.v1.Channel getDefaultInstanceForType() {
    return DEFAULT_INSTANCE;
  }
}