/*
 * Copyright 2025 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/pubsub/v1/pubsub.proto

// Protobuf Java Version: 3.25.8
package com.google.pubsub.v1;

/**
 *
 *
 * <pre>
 * Configuration for a push delivery endpoint.
 * </pre>
 *
 * Protobuf type {@code google.pubsub.v1.PushConfig}
 */
public final class PushConfig extends com.google.protobuf.GeneratedMessageV3
    implements
    // @@protoc_insertion_point(message_implements:google.pubsub.v1.PushConfig)
    PushConfigOrBuilder {
  private static final long serialVersionUID = 0L;

  // Use PushConfig.newBuilder() to construct.
  private PushConfig(com.google.protobuf.GeneratedMessageV3.Builder<?> builder) {
    super(builder);
  }

  private PushConfig() {
    pushEndpoint_ = "";
  }

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

  public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
    return com.google.pubsub.v1.PubsubProto.internal_static_google_pubsub_v1_PushConfig_descriptor;
  }

  @SuppressWarnings({"rawtypes"})
  @java.lang.Override
  protected com.google.protobuf.MapFieldReflectionAccessor internalGetMapFieldReflection(
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  protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
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  }

  public interface OidcTokenOrBuilder
      extends
      // @@protoc_insertion_point(interface_extends:google.pubsub.v1.PushConfig.OidcToken)
      com.google.protobuf.MessageOrBuilder {

    /**
     *
     *
     * <pre>
     * Optional. [Service account
     * email](https://cloud.google.com/iam/docs/service-accounts)
     * used for generating the OIDC token. For more information
     * on setting up authentication, see
     * [Push subscriptions](https://cloud.google.com/pubsub/docs/push).
     * </pre>
     *
     * <code>string service_account_email = 1 [(.google.api.field_behavior) = OPTIONAL];</code>
     *
     * @return The serviceAccountEmail.
     */
    java.lang.String getServiceAccountEmail();

    /**
     *
     *
     * <pre>
     * Optional. [Service account
     * email](https://cloud.google.com/iam/docs/service-accounts)
     * used for generating the OIDC token. For more information
     * on setting up authentication, see
     * [Push subscriptions](https://cloud.google.com/pubsub/docs/push).
     * </pre>
     *
     * <code>string service_account_email = 1 [(.google.api.field_behavior) = OPTIONAL];</code>
     *
     * @return The bytes for serviceAccountEmail.
     */
    com.google.protobuf.ByteString getServiceAccountEmailBytes();

    /**
     *
     *
     * <pre>
     * Optional. Audience to be used when generating OIDC token. The audience
     * claim identifies the recipients that the JWT is intended for. The
     * audience value is a single case-sensitive string. Having multiple values
     * (array) for the audience field is not supported. More info about the OIDC
     * JWT token audience here:
     * https://tools.ietf.org/html/rfc7519#section-4.1.3 Note: if not specified,
     * the Push endpoint URL will be used.
     * </pre>
     *
     * <code>string audience = 2 [(.google.api.field_behavior) = OPTIONAL];</code>
     *
     * @return The audience.
     */
    java.lang.String getAudience();

    /**
     *
     *
     * <pre>
     * Optional. Audience to be used when generating OIDC token. The audience
     * claim identifies the recipients that the JWT is intended for. The
     * audience value is a single case-sensitive string. Having multiple values
     * (array) for the audience field is not supported. More info about the OIDC
     * JWT token audience here:
     * https://tools.ietf.org/html/rfc7519#section-4.1.3 Note: if not specified,
     * the Push endpoint URL will be used.
     * </pre>
     *
     * <code>string audience = 2 [(.google.api.field_behavior) = OPTIONAL];</code>
     *
     * @return The bytes for audience.
     */
    com.google.protobuf.ByteString getAudienceBytes();
  }

  /**
   *
   *
   * <pre>
   * Contains information needed for generating an
   * [OpenID Connect
   * token](https://developers.google.com/identity/protocols/OpenIDConnect).
   * </pre>
   *
   * Protobuf type {@code google.pubsub.v1.PushConfig.OidcToken}
   */
  public static final class OidcToken extends com.google.protobuf.GeneratedMessageV3
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      // @@protoc_insertion_point(message_implements:google.pubsub.v1.PushConfig.OidcToken)
      OidcTokenOrBuilder {
    private static final long serialVersionUID = 0L;

    // Use OidcToken.newBuilder() to construct.
    private OidcToken(com.google.protobuf.GeneratedMessageV3.Builder<?> builder) {
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    private OidcToken() {
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      audience_ = "";
    }

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

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    }

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    @SuppressWarnings("serial")
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    /**
     *
     *
     * <pre>
     * Optional. [Service account
     * email](https://cloud.google.com/iam/docs/service-accounts)
     * used for generating the OIDC token. For more information
     * on setting up authentication, see
     * [Push subscriptions](https://cloud.google.com/pubsub/docs/push).
     * </pre>
     *
     * <code>string service_account_email = 1 [(.google.api.field_behavior) = OPTIONAL];</code>
     *
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     */
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        java.lang.String s = bs.toStringUtf8();
        serviceAccountEmail_ = s;
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      }
    }

    /**
     *
     *
     * <pre>
     * Optional. [Service account
     * email](https://cloud.google.com/iam/docs/service-accounts)
     * used for generating the OIDC token. For more information
     * on setting up authentication, see
     * [Push subscriptions](https://cloud.google.com/pubsub/docs/push).
     * </pre>
     *
     * <code>string service_account_email = 1 [(.google.api.field_behavior) = OPTIONAL];</code>
     *
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     */
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    @SuppressWarnings("serial")
    private volatile java.lang.Object audience_ = "";

    /**
     *
     *
     * <pre>
     * Optional. Audience to be used when generating OIDC token. The audience
     * claim identifies the recipients that the JWT is intended for. The
     * audience value is a single case-sensitive string. Having multiple values
     * (array) for the audience field is not supported. More info about the OIDC
     * JWT token audience here:
     * https://tools.ietf.org/html/rfc7519#section-4.1.3 Note: if not specified,
     * the Push endpoint URL will be used.
     * </pre>
     *
     * <code>string audience = 2 [(.google.api.field_behavior) = OPTIONAL];</code>
     *
     * @return The audience.
     */
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    /**
     *
     *
     * <pre>
     * Optional. Audience to be used when generating OIDC token. The audience
     * claim identifies the recipients that the JWT is intended for. The
     * audience value is a single case-sensitive string. Having multiple values
     * (array) for the audience field is not supported. More info about the OIDC
     * JWT token audience here:
     * https://tools.ietf.org/html/rfc7519#section-4.1.3 Note: if not specified,
     * the Push endpoint URL will be used.
     * </pre>
     *
     * <code>string audience = 2 [(.google.api.field_behavior) = OPTIONAL];</code>
     *
     * @return The bytes for audience.
     */
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    public com.google.protobuf.ByteString getAudienceBytes() {
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    @java.lang.Override
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      if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(audience_)) {
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    @java.lang.Override
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      if (obj == this) {
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      if (!(obj instanceof com.google.pubsub.v1.PushConfig.OidcToken)) {
        return super.equals(obj);
      }
      com.google.pubsub.v1.PushConfig.OidcToken other =
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      if (!getServiceAccountEmail().equals(other.getServiceAccountEmail())) return false;
      if (!getAudience().equals(other.getAudience())) return false;
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    public static com.google.pubsub.v1.PushConfig.OidcToken parseFrom(java.nio.ByteBuffer data)
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      return PARSER.parseFrom(data, extensionRegistry);
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    public static com.google.pubsub.v1.PushConfig.OidcToken parseFrom(
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      return PARSER.parseFrom(data);
    }

    public static com.google.pubsub.v1.PushConfig.OidcToken parseFrom(
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        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
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      return PARSER.parseFrom(data, extensionRegistry);
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    public static com.google.pubsub.v1.PushConfig.OidcToken parseFrom(byte[] data)
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    }

    public static com.google.pubsub.v1.PushConfig.OidcToken parseFrom(
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        throws java.io.IOException {
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    public static com.google.pubsub.v1.PushConfig.OidcToken parseFrom(
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    public static com.google.pubsub.v1.PushConfig.OidcToken parseFrom(
        com.google.protobuf.CodedInputStream input,
        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(com.google.pubsub.v1.PushConfig.OidcToken prototype) {
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    @java.lang.Override
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      Builder builder = new Builder(parent);
      return builder;
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    /**
     *
     *
     * <pre>
     * Contains information needed for generating an
     * [OpenID Connect
     * token](https://developers.google.com/identity/protocols/OpenIDConnect).
     * </pre>
     *
     * Protobuf type {@code google.pubsub.v1.PushConfig.OidcToken}
     */
    public static final class Builder
        extends com.google.protobuf.GeneratedMessageV3.Builder<Builder>
        implements
        // @@protoc_insertion_point(builder_implements:google.pubsub.v1.PushConfig.OidcToken)
        com.google.pubsub.v1.PushConfig.OidcTokenOrBuilder {
      public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
        return com.google.pubsub.v1.PubsubProto
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      @java.lang.Override
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        serviceAccountEmail_ = "";
        audience_ = "";
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      /**
       *
       *
       * <pre>
       * Optional. [Service account
       * email](https://cloud.google.com/iam/docs/service-accounts)
       * used for generating the OIDC token. For more information
       * on setting up authentication, see
       * [Push subscriptions](https://cloud.google.com/pubsub/docs/push).
       * </pre>
       *
       * <code>string service_account_email = 1 [(.google.api.field_behavior) = OPTIONAL];</code>
       *
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       *
       *
       * <pre>
       * Optional. [Service account
       * email](https://cloud.google.com/iam/docs/service-accounts)
       * used for generating the OIDC token. For more information
       * on setting up authentication, see
       * [Push subscriptions](https://cloud.google.com/pubsub/docs/push).
       * </pre>
       *
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       *
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       *
       *
       * <pre>
       * Optional. [Service account
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       * used for generating the OIDC token. For more information
       * on setting up authentication, see
       * [Push subscriptions](https://cloud.google.com/pubsub/docs/push).
       * </pre>
       *
       * <code>string service_account_email = 1 [(.google.api.field_behavior) = OPTIONAL];</code>
       *
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       * used for generating the OIDC token. For more information
       * on setting up authentication, see
       * [Push subscriptions](https://cloud.google.com/pubsub/docs/push).
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      /**
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       * Optional. [Service account
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       * used for generating the OIDC token. For more information
       * on setting up authentication, see
       * [Push subscriptions](https://cloud.google.com/pubsub/docs/push).
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       *
       * <code>string service_account_email = 1 [(.google.api.field_behavior) = OPTIONAL];</code>
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       * (array) for the audience field is not supported. More info about the OIDC
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       * (array) for the audience field is not supported. More info about the OIDC
       * JWT token audience here:
       * https://tools.ietf.org/html/rfc7519#section-4.1.3 Note: if not specified,
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       * JWT token audience here:
       * https://tools.ietf.org/html/rfc7519#section-4.1.3 Note: if not specified,
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       * JWT token audience here:
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       * audience value is a single case-sensitive string. Having multiple values
       * (array) for the audience field is not supported. More info about the OIDC
       * JWT token audience here:
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  private java.lang.Object wrapper_;

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  /**
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   * Optional. A URL locating the endpoint to which messages should be pushed.
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   * </pre>
   *
   * <code>string push_endpoint = 1 [(.google.api.field_behavior) = OPTIONAL];</code>
   *
   * @return The pushEndpoint.
   */
  @java.lang.Override
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   *
   *
   * <pre>
   * Optional. A URL locating the endpoint to which messages should be pushed.
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   * </pre>
   *
   * <code>string push_endpoint = 1 [(.google.api.field_behavior) = OPTIONAL];</code>
   *
   * @return The bytes for pushEndpoint.
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    }
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            com.google.protobuf.WireFormat.FieldType.STRING,
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  /**
   *
   *
   * <pre>
   * Optional. Endpoint configuration attributes that can be used to control
   * different aspects of the message delivery.
   *
   * The only currently supported attribute is `x-goog-version`, which you can
   * use to change the format of the pushed message. This attribute
   * indicates the version of the data expected by the endpoint. This
   * controls the shape of the pushed message (i.e., its fields and metadata).
   *
   * If not present during the `CreateSubscription` call, it will default to
   * the version of the Pub/Sub API used to make such call. If not present in a
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   *
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   * * `v1` or `v1beta2`: uses the push format defined in the v1 Pub/Sub API.
   *
   * For example:
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   * </pre>
   *
   * <code>map&lt;string, string&gt; attributes = 2 [(.google.api.field_behavior) = OPTIONAL];
   * </code>
   */
  @java.lang.Override
  public boolean containsAttributes(java.lang.String key) {
    if (key == null) {
      throw new NullPointerException("map key");
    }
    return internalGetAttributes().getMap().containsKey(key);
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  /** Use {@link #getAttributesMap()} instead. */
  @java.lang.Override
  @java.lang.Deprecated
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  /**
   *
   *
   * <pre>
   * Optional. Endpoint configuration attributes that can be used to control
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   *
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   * use to change the format of the pushed message. This attribute
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   * * `v1` or `v1beta2`: uses the push format defined in the v1 Pub/Sub API.
   *
   * For example:
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   * </pre>
   *
   * <code>map&lt;string, string&gt; attributes = 2 [(.google.api.field_behavior) = OPTIONAL];
   * </code>
   */
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  /**
   *
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   * The only currently supported attribute is `x-goog-version`, which you can
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   * indicates the version of the data expected by the endpoint. This
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   * If not present during the `CreateSubscription` call, it will default to
   * the version of the Pub/Sub API used to make such call. If not present in a
   * `ModifyPushConfig` call, its value will not be changed. `GetSubscription`
   * calls will always return a valid version, even if the subscription was
   * created without this attribute.
   *
   * The only supported values for the `x-goog-version` attribute are:
   *
   * * `v1beta1`: uses the push format defined in the v1beta1 Pub/Sub API.
   * * `v1` or `v1beta2`: uses the push format defined in the v1 Pub/Sub API.
   *
   * For example:
   * `attributes { "x-goog-version": "v1" }`
   * </pre>
   *
   * <code>map&lt;string, string&gt; attributes = 2 [(.google.api.field_behavior) = OPTIONAL];
   * </code>
   */
  @java.lang.Override
  public /* nullable */ java.lang.String getAttributesOrDefault(
      java.lang.String key,
      /* nullable */
      java.lang.String defaultValue) {
    if (key == null) {
      throw new NullPointerException("map key");
    }
    java.util.Map<java.lang.String, java.lang.String> map = internalGetAttributes().getMap();
    return map.containsKey(key) ? map.get(key) : defaultValue;
  }

  /**
   *
   *
   * <pre>
   * Optional. Endpoint configuration attributes that can be used to control
   * different aspects of the message delivery.
   *
   * The only currently supported attribute is `x-goog-version`, which you can
   * use to change the format of the pushed message. This attribute
   * indicates the version of the data expected by the endpoint. This
   * controls the shape of the pushed message (i.e., its fields and metadata).
   *
   * If not present during the `CreateSubscription` call, it will default to
   * the version of the Pub/Sub API used to make such call. If not present in a
   * `ModifyPushConfig` call, its value will not be changed. `GetSubscription`
   * calls will always return a valid version, even if the subscription was
   * created without this attribute.
   *
   * The only supported values for the `x-goog-version` attribute are:
   *
   * * `v1beta1`: uses the push format defined in the v1beta1 Pub/Sub API.
   * * `v1` or `v1beta2`: uses the push format defined in the v1 Pub/Sub API.
   *
   * For example:
   * `attributes { "x-goog-version": "v1" }`
   * </pre>
   *
   * <code>map&lt;string, string&gt; attributes = 2 [(.google.api.field_behavior) = OPTIONAL];
   * </code>
   */
  @java.lang.Override
  public java.lang.String getAttributesOrThrow(java.lang.String key) {
    if (key == null) {
      throw new NullPointerException("map key");
    }
    java.util.Map<java.lang.String, java.lang.String> map = internalGetAttributes().getMap();
    if (!map.containsKey(key)) {
      throw new java.lang.IllegalArgumentException();
    }
    return map.get(key);
  }

  public static final int OIDC_TOKEN_FIELD_NUMBER = 3;

  /**
   *
   *
   * <pre>
   * Optional. If specified, Pub/Sub will generate and attach an OIDC JWT
   * token as an `Authorization` header in the HTTP request for every pushed
   * message.
   * </pre>
   *
   * <code>
   * .google.pubsub.v1.PushConfig.OidcToken oidc_token = 3 [(.google.api.field_behavior) = OPTIONAL];
   * </code>
   *
   * @return Whether the oidcToken field is set.
   */
  @java.lang.Override
  public boolean hasOidcToken() {
    return authenticationMethodCase_ == 3;
  }

  /**
   *
   *
   * <pre>
   * Optional. If specified, Pub/Sub will generate and attach an OIDC JWT
   * token as an `Authorization` header in the HTTP request for every pushed
   * message.
   * </pre>
   *
   * <code>
   * .google.pubsub.v1.PushConfig.OidcToken oidc_token = 3 [(.google.api.field_behavior) = OPTIONAL];
   * </code>
   *
   * @return The oidcToken.
   */
  @java.lang.Override
  public com.google.pubsub.v1.PushConfig.OidcToken getOidcToken() {
    if (authenticationMethodCase_ == 3) {
      return (com.google.pubsub.v1.PushConfig.OidcToken) authenticationMethod_;
    }
    return com.google.pubsub.v1.PushConfig.OidcToken.getDefaultInstance();
  }

  /**
   *
   *
   * <pre>
   * Optional. If specified, Pub/Sub will generate and attach an OIDC JWT
   * token as an `Authorization` header in the HTTP request for every pushed
   * message.
   * </pre>
   *
   * <code>
   * .google.pubsub.v1.PushConfig.OidcToken oidc_token = 3 [(.google.api.field_behavior) = OPTIONAL];
   * </code>
   */
  @java.lang.Override
  public com.google.pubsub.v1.PushConfig.OidcTokenOrBuilder getOidcTokenOrBuilder() {
    if (authenticationMethodCase_ == 3) {
      return (com.google.pubsub.v1.PushConfig.OidcToken) authenticationMethod_;
    }
    return com.google.pubsub.v1.PushConfig.OidcToken.getDefaultInstance();
  }

  public static final int PUBSUB_WRAPPER_FIELD_NUMBER = 4;

  /**
   *
   *
   * <pre>
   * Optional. When set, the payload to the push endpoint is in the form of
   * the JSON representation of a PubsubMessage
   * (https://cloud.google.com/pubsub/docs/reference/rpc/google.pubsub.v1#pubsubmessage).
   * </pre>
   *
   * <code>
   * .google.pubsub.v1.PushConfig.PubsubWrapper pubsub_wrapper = 4 [(.google.api.field_behavior) = OPTIONAL];
   * </code>
   *
   * @return Whether the pubsubWrapper field is set.
   */
  @java.lang.Override
  public boolean hasPubsubWrapper() {
    return wrapperCase_ == 4;
  }

  /**
   *
   *
   * <pre>
   * Optional. When set, the payload to the push endpoint is in the form of
   * the JSON representation of a PubsubMessage
   * (https://cloud.google.com/pubsub/docs/reference/rpc/google.pubsub.v1#pubsubmessage).
   * </pre>
   *
   * <code>
   * .google.pubsub.v1.PushConfig.PubsubWrapper pubsub_wrapper = 4 [(.google.api.field_behavior) = OPTIONAL];
   * </code>
   *
   * @return The pubsubWrapper.
   */
  @java.lang.Override
  public com.google.pubsub.v1.PushConfig.PubsubWrapper getPubsubWrapper() {
    if (wrapperCase_ == 4) {
      return (com.google.pubsub.v1.PushConfig.PubsubWrapper) wrapper_;
    }
    return com.google.pubsub.v1.PushConfig.PubsubWrapper.getDefaultInstance();
  }

  /**
   *
   *
   * <pre>
   * Optional. When set, the payload to the push endpoint is in the form of
   * the JSON representation of a PubsubMessage
   * (https://cloud.google.com/pubsub/docs/reference/rpc/google.pubsub.v1#pubsubmessage).
   * </pre>
   *
   * <code>
   * .google.pubsub.v1.PushConfig.PubsubWrapper pubsub_wrapper = 4 [(.google.api.field_behavior) = OPTIONAL];
   * </code>
   */
  @java.lang.Override
  public com.google.pubsub.v1.PushConfig.PubsubWrapperOrBuilder getPubsubWrapperOrBuilder() {
    if (wrapperCase_ == 4) {
      return (com.google.pubsub.v1.PushConfig.PubsubWrapper) wrapper_;
    }
    return com.google.pubsub.v1.PushConfig.PubsubWrapper.getDefaultInstance();
  }

  public static final int NO_WRAPPER_FIELD_NUMBER = 5;

  /**
   *
   *
   * <pre>
   * Optional. When set, the payload to the push endpoint is not wrapped.
   * </pre>
   *
   * <code>
   * .google.pubsub.v1.PushConfig.NoWrapper no_wrapper = 5 [(.google.api.field_behavior) = OPTIONAL];
   * </code>
   *
   * @return Whether the noWrapper field is set.
   */
  @java.lang.Override
  public boolean hasNoWrapper() {
    return wrapperCase_ == 5;
  }

  /**
   *
   *
   * <pre>
   * Optional. When set, the payload to the push endpoint is not wrapped.
   * </pre>
   *
   * <code>
   * .google.pubsub.v1.PushConfig.NoWrapper no_wrapper = 5 [(.google.api.field_behavior) = OPTIONAL];
   * </code>
   *
   * @return The noWrapper.
   */
  @java.lang.Override
  public com.google.pubsub.v1.PushConfig.NoWrapper getNoWrapper() {
    if (wrapperCase_ == 5) {
      return (com.google.pubsub.v1.PushConfig.NoWrapper) wrapper_;
    }
    return com.google.pubsub.v1.PushConfig.NoWrapper.getDefaultInstance();
  }

  /**
   *
   *
   * <pre>
   * Optional. When set, the payload to the push endpoint is not wrapped.
   * </pre>
   *
   * <code>
   * .google.pubsub.v1.PushConfig.NoWrapper no_wrapper = 5 [(.google.api.field_behavior) = OPTIONAL];
   * </code>
   */
  @java.lang.Override
  public com.google.pubsub.v1.PushConfig.NoWrapperOrBuilder getNoWrapperOrBuilder() {
    if (wrapperCase_ == 5) {
      return (com.google.pubsub.v1.PushConfig.NoWrapper) wrapper_;
    }
    return com.google.pubsub.v1.PushConfig.NoWrapper.getDefaultInstance();
  }

  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(pushEndpoint_)) {
      com.google.protobuf.GeneratedMessageV3.writeString(output, 1, pushEndpoint_);
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    com.google.protobuf.GeneratedMessageV3.serializeStringMapTo(
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    if (wrapperCase_ == 5) {
      output.writeMessage(5, (com.google.pubsub.v1.PushConfig.NoWrapper) wrapper_);
    }
    getUnknownFields().writeTo(output);
  }

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

    size = 0;
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      size += com.google.protobuf.GeneratedMessageV3.computeStringSize(1, pushEndpoint_);
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    for (java.util.Map.Entry<java.lang.String, java.lang.String> entry :
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      com.google.protobuf.MapEntry<java.lang.String, java.lang.String> attributes__ =
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              .setKey(entry.getKey())
              .setValue(entry.getValue())
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    if (authenticationMethodCase_ == 3) {
      size +=
          com.google.protobuf.CodedOutputStream.computeMessageSize(
              3, (com.google.pubsub.v1.PushConfig.OidcToken) authenticationMethod_);
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    if (wrapperCase_ == 4) {
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    }
    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.pubsub.v1.PushConfig)) {
      return super.equals(obj);
    }
    com.google.pubsub.v1.PushConfig other = (com.google.pubsub.v1.PushConfig) obj;

    if (!getPushEndpoint().equals(other.getPushEndpoint())) return false;
    if (!internalGetAttributes().equals(other.internalGetAttributes())) return false;
    if (!getAuthenticationMethodCase().equals(other.getAuthenticationMethodCase())) return false;
    switch (authenticationMethodCase_) {
      case 3:
        if (!getOidcToken().equals(other.getOidcToken())) return false;
        break;
      case 0:
      default:
    }
    if (!getWrapperCase().equals(other.getWrapperCase())) return false;
    switch (wrapperCase_) {
      case 4:
        if (!getPubsubWrapper().equals(other.getPubsubWrapper())) return false;
        break;
      case 5:
        if (!getNoWrapper().equals(other.getNoWrapper())) 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) + PUSH_ENDPOINT_FIELD_NUMBER;
    hash = (53 * hash) + getPushEndpoint().hashCode();
    if (!internalGetAttributes().getMap().isEmpty()) {
      hash = (37 * hash) + ATTRIBUTES_FIELD_NUMBER;
      hash = (53 * hash) + internalGetAttributes().hashCode();
    }
    switch (authenticationMethodCase_) {
      case 3:
        hash = (37 * hash) + OIDC_TOKEN_FIELD_NUMBER;
        hash = (53 * hash) + getOidcToken().hashCode();
        break;
      case 0:
      default:
    }
    switch (wrapperCase_) {
      case 4:
        hash = (37 * hash) + PUBSUB_WRAPPER_FIELD_NUMBER;
        hash = (53 * hash) + getPubsubWrapper().hashCode();
        break;
      case 5:
        hash = (37 * hash) + NO_WRAPPER_FIELD_NUMBER;
        hash = (53 * hash) + getNoWrapper().hashCode();
        break;
      case 0:
      default:
    }
    hash = (29 * hash) + getUnknownFields().hashCode();
    memoizedHashCode = hash;
    return hash;
  }

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

  public static com.google.pubsub.v1.PushConfig parseFrom(
      java.nio.ByteBuffer data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
      throws com.google.protobuf.InvalidProtocolBufferException {
    return PARSER.parseFrom(data, extensionRegistry);
  }

  public static com.google.pubsub.v1.PushConfig parseFrom(com.google.protobuf.ByteString data)
      throws com.google.protobuf.InvalidProtocolBufferException {
    return PARSER.parseFrom(data);
  }

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

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

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

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

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

  public static com.google.pubsub.v1.PushConfig 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.pubsub.v1.PushConfig 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>
   * Configuration for a push delivery endpoint.
   * </pre>
   *
   * Protobuf type {@code google.pubsub.v1.PushConfig}
   */
  public static final class Builder extends com.google.protobuf.GeneratedMessageV3.Builder<Builder>
      implements
      // @@protoc_insertion_point(builder_implements:google.pubsub.v1.PushConfig)
      com.google.pubsub.v1.PushConfigOrBuilder {
    public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
      return com.google.pubsub.v1.PubsubProto
          .internal_static_google_pubsub_v1_PushConfig_descriptor;
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    @SuppressWarnings({"rawtypes"})
    protected com.google.protobuf.MapFieldReflectionAccessor internalGetMapFieldReflection(
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          return internalGetAttributes();
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    protected com.google.protobuf.MapFieldReflectionAccessor internalGetMutableMapFieldReflection(
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    protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
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    // Construct using com.google.pubsub.v1.PushConfig.newBuilder()
    private Builder() {}

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

    @java.lang.Override
    public Builder clear() {
      super.clear();
      bitField0_ = 0;
      pushEndpoint_ = "";
      internalGetMutableAttributes().clear();
      if (oidcTokenBuilder_ != null) {
        oidcTokenBuilder_.clear();
      }
      if (pubsubWrapperBuilder_ != null) {
        pubsubWrapperBuilder_.clear();
      }
      if (noWrapperBuilder_ != null) {
        noWrapperBuilder_.clear();
      }
      authenticationMethodCase_ = 0;
      authenticationMethod_ = null;
      wrapperCase_ = 0;
      wrapper_ = null;
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    }

    @java.lang.Override
    public com.google.protobuf.Descriptors.Descriptor getDescriptorForType() {
      return com.google.pubsub.v1.PubsubProto
          .internal_static_google_pubsub_v1_PushConfig_descriptor;
    }

    @java.lang.Override
    public com.google.pubsub.v1.PushConfig getDefaultInstanceForType() {
      return com.google.pubsub.v1.PushConfig.getDefaultInstance();
    }

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

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

    private void buildPartial0(com.google.pubsub.v1.PushConfig result) {
      int from_bitField0_ = bitField0_;
      if (((from_bitField0_ & 0x00000001) != 0)) {
        result.pushEndpoint_ = pushEndpoint_;
      }
      if (((from_bitField0_ & 0x00000002) != 0)) {
        result.attributes_ = internalGetAttributes();
        result.attributes_.makeImmutable();
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    }

    private void buildPartialOneofs(com.google.pubsub.v1.PushConfig result) {
      result.authenticationMethodCase_ = authenticationMethodCase_;
      result.authenticationMethod_ = this.authenticationMethod_;
      if (authenticationMethodCase_ == 3 && oidcTokenBuilder_ != null) {
        result.authenticationMethod_ = oidcTokenBuilder_.build();
      }
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        super.mergeFrom(other);
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      }
    }

    public Builder mergeFrom(com.google.pubsub.v1.PushConfig other) {
      if (other == com.google.pubsub.v1.PushConfig.getDefaultInstance()) return this;
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          }
        case WRAPPER_NOT_SET:
          {
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          }
      }
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              {
                pushEndpoint_ = input.readStringRequireUtf8();
                bitField0_ |= 0x00000001;
                break;
              } // case 10
            case 18:
              {
                com.google.protobuf.MapEntry<java.lang.String, java.lang.String> attributes__ =
                    input.readMessage(
                        AttributesDefaultEntryHolder.defaultEntry.getParserForType(),
                        extensionRegistry);
                internalGetMutableAttributes()
                    .getMutableMap()
                    .put(attributes__.getKey(), attributes__.getValue());
                bitField0_ |= 0x00000002;
                break;
              } // case 18
            case 26:
              {
                input.readMessage(getOidcTokenFieldBuilder().getBuilder(), extensionRegistry);
                authenticationMethodCase_ = 3;
                break;
              } // case 26
            case 34:
              {
                input.readMessage(getPubsubWrapperFieldBuilder().getBuilder(), extensionRegistry);
                wrapperCase_ = 4;
                break;
              } // case 34
            case 42:
              {
                input.readMessage(getNoWrapperFieldBuilder().getBuilder(), extensionRegistry);
                wrapperCase_ = 5;
                break;
              } // case 42
            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 authenticationMethodCase_ = 0;
    private java.lang.Object authenticationMethod_;

    public AuthenticationMethodCase getAuthenticationMethodCase() {
      return AuthenticationMethodCase.forNumber(authenticationMethodCase_);
    }

    public Builder clearAuthenticationMethod() {
      authenticationMethodCase_ = 0;
      authenticationMethod_ = null;
      onChanged();
      return this;
    }

    private int wrapperCase_ = 0;
    private java.lang.Object wrapper_;

    public WrapperCase getWrapperCase() {
      return WrapperCase.forNumber(wrapperCase_);
    }

    public Builder clearWrapper() {
      wrapperCase_ = 0;
      wrapper_ = null;
      onChanged();
      return this;
    }

    private int bitField0_;

    private java.lang.Object pushEndpoint_ = "";

    /**
     *
     *
     * <pre>
     * Optional. A URL locating the endpoint to which messages should be pushed.
     * For example, a Webhook endpoint might use `https://example.com/push`.
     * </pre>
     *
     * <code>string push_endpoint = 1 [(.google.api.field_behavior) = OPTIONAL];</code>
     *
     * @return The pushEndpoint.
     */
    public java.lang.String getPushEndpoint() {
      java.lang.Object ref = pushEndpoint_;
      if (!(ref instanceof java.lang.String)) {
        com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
        java.lang.String s = bs.toStringUtf8();
        pushEndpoint_ = s;
        return s;
      } else {
        return (java.lang.String) ref;
      }
    }

    /**
     *
     *
     * <pre>
     * Optional. A URL locating the endpoint to which messages should be pushed.
     * For example, a Webhook endpoint might use `https://example.com/push`.
     * </pre>
     *
     * <code>string push_endpoint = 1 [(.google.api.field_behavior) = OPTIONAL];</code>
     *
     * @return The bytes for pushEndpoint.
     */
    public com.google.protobuf.ByteString getPushEndpointBytes() {
      java.lang.Object ref = pushEndpoint_;
      if (ref instanceof String) {
        com.google.protobuf.ByteString b =
            com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
        pushEndpoint_ = b;
        return b;
      } else {
        return (com.google.protobuf.ByteString) ref;
      }
    }

    /**
     *
     *
     * <pre>
     * Optional. A URL locating the endpoint to which messages should be pushed.
     * For example, a Webhook endpoint might use `https://example.com/push`.
     * </pre>
     *
     * <code>string push_endpoint = 1 [(.google.api.field_behavior) = OPTIONAL];</code>
     *
     * @param value The pushEndpoint to set.
     * @return This builder for chaining.
     */
    public Builder setPushEndpoint(java.lang.String value) {
      if (value == null) {
        throw new NullPointerException();
      }
      pushEndpoint_ = value;
      bitField0_ |= 0x00000001;
      onChanged();
      return this;
    }

    /**
     *
     *
     * <pre>
     * Optional. A URL locating the endpoint to which messages should be pushed.
     * For example, a Webhook endpoint might use `https://example.com/push`.
     * </pre>
     *
     * <code>string push_endpoint = 1 [(.google.api.field_behavior) = OPTIONAL];</code>
     *
     * @return This builder for chaining.
     */
    public Builder clearPushEndpoint() {
      pushEndpoint_ = getDefaultInstance().getPushEndpoint();
      bitField0_ = (bitField0_ & ~0x00000001);
      onChanged();
      return this;
    }

    /**
     *
     *
     * <pre>
     * Optional. A URL locating the endpoint to which messages should be pushed.
     * For example, a Webhook endpoint might use `https://example.com/push`.
     * </pre>
     *
     * <code>string push_endpoint = 1 [(.google.api.field_behavior) = OPTIONAL];</code>
     *
     * @param value The bytes for pushEndpoint to set.
     * @return This builder for chaining.
     */
    public Builder setPushEndpointBytes(com.google.protobuf.ByteString value) {
      if (value == null) {
        throw new NullPointerException();
      }
      checkByteStringIsUtf8(value);
      pushEndpoint_ = value;
      bitField0_ |= 0x00000001;
      onChanged();
      return this;
    }

    private com.google.protobuf.MapField<java.lang.String, java.lang.String> attributes_;

    private com.google.protobuf.MapField<java.lang.String, java.lang.String>
        internalGetAttributes() {
      if (attributes_ == null) {
        return com.google.protobuf.MapField.emptyMapField(
            AttributesDefaultEntryHolder.defaultEntry);
      }
      return attributes_;
    }

    private com.google.protobuf.MapField<java.lang.String, java.lang.String>
        internalGetMutableAttributes() {
      if (attributes_ == null) {
        attributes_ =
            com.google.protobuf.MapField.newMapField(AttributesDefaultEntryHolder.defaultEntry);
      }
      if (!attributes_.isMutable()) {
        attributes_ = attributes_.copy();
      }
      bitField0_ |= 0x00000002;
      onChanged();
      return attributes_;
    }

    public int getAttributesCount() {
      return internalGetAttributes().getMap().size();
    }

    /**
     *
     *
     * <pre>
     * Optional. Endpoint configuration attributes that can be used to control
     * different aspects of the message delivery.
     *
     * The only currently supported attribute is `x-goog-version`, which you can
     * use to change the format of the pushed message. This attribute
     * indicates the version of the data expected by the endpoint. This
     * controls the shape of the pushed message (i.e., its fields and metadata).
     *
     * If not present during the `CreateSubscription` call, it will default to
     * the version of the Pub/Sub API used to make such call. If not present in a
     * `ModifyPushConfig` call, its value will not be changed. `GetSubscription`
     * calls will always return a valid version, even if the subscription was
     * created without this attribute.
     *
     * The only supported values for the `x-goog-version` attribute are:
     *
     * * `v1beta1`: uses the push format defined in the v1beta1 Pub/Sub API.
     * * `v1` or `v1beta2`: uses the push format defined in the v1 Pub/Sub API.
     *
     * For example:
     * `attributes { "x-goog-version": "v1" }`
     * </pre>
     *
     * <code>map&lt;string, string&gt; attributes = 2 [(.google.api.field_behavior) = OPTIONAL];
     * </code>
     */
    @java.lang.Override
    public boolean containsAttributes(java.lang.String key) {
      if (key == null) {
        throw new NullPointerException("map key");
      }
      return internalGetAttributes().getMap().containsKey(key);
    }

    /** Use {@link #getAttributesMap()} instead. */
    @java.lang.Override
    @java.lang.Deprecated
    public java.util.Map<java.lang.String, java.lang.String> getAttributes() {
      return getAttributesMap();
    }

    /**
     *
     *
     * <pre>
     * Optional. Endpoint configuration attributes that can be used to control
     * different aspects of the message delivery.
     *
     * The only currently supported attribute is `x-goog-version`, which you can
     * use to change the format of the pushed message. This attribute
     * indicates the version of the data expected by the endpoint. This
     * controls the shape of the pushed message (i.e., its fields and metadata).
     *
     * If not present during the `CreateSubscription` call, it will default to
     * the version of the Pub/Sub API used to make such call. If not present in a
     * `ModifyPushConfig` call, its value will not be changed. `GetSubscription`
     * calls will always return a valid version, even if the subscription was
     * created without this attribute.
     *
     * The only supported values for the `x-goog-version` attribute are:
     *
     * * `v1beta1`: uses the push format defined in the v1beta1 Pub/Sub API.
     * * `v1` or `v1beta2`: uses the push format defined in the v1 Pub/Sub API.
     *
     * For example:
     * `attributes { "x-goog-version": "v1" }`
     * </pre>
     *
     * <code>map&lt;string, string&gt; attributes = 2 [(.google.api.field_behavior) = OPTIONAL];
     * </code>
     */
    @java.lang.Override
    public java.util.Map<java.lang.String, java.lang.String> getAttributesMap() {
      return internalGetAttributes().getMap();
    }

    /**
     *
     *
     * <pre>
     * Optional. Endpoint configuration attributes that can be used to control
     * different aspects of the message delivery.
     *
     * The only currently supported attribute is `x-goog-version`, which you can
     * use to change the format of the pushed message. This attribute
     * indicates the version of the data expected by the endpoint. This
     * controls the shape of the pushed message (i.e., its fields and metadata).
     *
     * If not present during the `CreateSubscription` call, it will default to
     * the version of the Pub/Sub API used to make such call. If not present in a
     * `ModifyPushConfig` call, its value will not be changed. `GetSubscription`
     * calls will always return a valid version, even if the subscription was
     * created without this attribute.
     *
     * The only supported values for the `x-goog-version` attribute are:
     *
     * * `v1beta1`: uses the push format defined in the v1beta1 Pub/Sub API.
     * * `v1` or `v1beta2`: uses the push format defined in the v1 Pub/Sub API.
     *
     * For example:
     * `attributes { "x-goog-version": "v1" }`
     * </pre>
     *
     * <code>map&lt;string, string&gt; attributes = 2 [(.google.api.field_behavior) = OPTIONAL];
     * </code>
     */
    @java.lang.Override
    public /* nullable */ java.lang.String getAttributesOrDefault(
        java.lang.String key,
        /* nullable */
        java.lang.String defaultValue) {
      if (key == null) {
        throw new NullPointerException("map key");
      }
      java.util.Map<java.lang.String, java.lang.String> map = internalGetAttributes().getMap();
      return map.containsKey(key) ? map.get(key) : defaultValue;
    }

    /**
     *
     *
     * <pre>
     * Optional. Endpoint configuration attributes that can be used to control
     * different aspects of the message delivery.
     *
     * The only currently supported attribute is `x-goog-version`, which you can
     * use to change the format of the pushed message. This attribute
     * indicates the version of the data expected by the endpoint. This
     * controls the shape of the pushed message (i.e., its fields and metadata).
     *
     * If not present during the `CreateSubscription` call, it will default to
     * the version of the Pub/Sub API used to make such call. If not present in a
     * `ModifyPushConfig` call, its value will not be changed. `GetSubscription`
     * calls will always return a valid version, even if the subscription was
     * created without this attribute.
     *
     * The only supported values for the `x-goog-version` attribute are:
     *
     * * `v1beta1`: uses the push format defined in the v1beta1 Pub/Sub API.
     * * `v1` or `v1beta2`: uses the push format defined in the v1 Pub/Sub API.
     *
     * For example:
     * `attributes { "x-goog-version": "v1" }`
     * </pre>
     *
     * <code>map&lt;string, string&gt; attributes = 2 [(.google.api.field_behavior) = OPTIONAL];
     * </code>
     */
    @java.lang.Override
    public java.lang.String getAttributesOrThrow(java.lang.String key) {
      if (key == null) {
        throw new NullPointerException("map key");
      }
      java.util.Map<java.lang.String, java.lang.String> map = internalGetAttributes().getMap();
      if (!map.containsKey(key)) {
        throw new java.lang.IllegalArgumentException();
      }
      return map.get(key);
    }

    public Builder clearAttributes() {
      bitField0_ = (bitField0_ & ~0x00000002);
      internalGetMutableAttributes().getMutableMap().clear();
      return this;
    }

    /**
     *
     *
     * <pre>
     * Optional. Endpoint configuration attributes that can be used to control
     * different aspects of the message delivery.
     *
     * The only currently supported attribute is `x-goog-version`, which you can
     * use to change the format of the pushed message. This attribute
     * indicates the version of the data expected by the endpoint. This
     * controls the shape of the pushed message (i.e., its fields and metadata).
     *
     * If not present during the `CreateSubscription` call, it will default to
     * the version of the Pub/Sub API used to make such call. If not present in a
     * `ModifyPushConfig` call, its value will not be changed. `GetSubscription`
     * calls will always return a valid version, even if the subscription was
     * created without this attribute.
     *
     * The only supported values for the `x-goog-version` attribute are:
     *
     * * `v1beta1`: uses the push format defined in the v1beta1 Pub/Sub API.
     * * `v1` or `v1beta2`: uses the push format defined in the v1 Pub/Sub API.
     *
     * For example:
     * `attributes { "x-goog-version": "v1" }`
     * </pre>
     *
     * <code>map&lt;string, string&gt; attributes = 2 [(.google.api.field_behavior) = OPTIONAL];
     * </code>
     */
    public Builder removeAttributes(java.lang.String key) {
      if (key == null) {
        throw new NullPointerException("map key");
      }
      internalGetMutableAttributes().getMutableMap().remove(key);
      return this;
    }

    /** Use alternate mutation accessors instead. */
    @java.lang.Deprecated
    public java.util.Map<java.lang.String, java.lang.String> getMutableAttributes() {
      bitField0_ |= 0x00000002;
      return internalGetMutableAttributes().getMutableMap();
    }

    /**
     *
     *
     * <pre>
     * Optional. Endpoint configuration attributes that can be used to control
     * different aspects of the message delivery.
     *
     * The only currently supported attribute is `x-goog-version`, which you can
     * use to change the format of the pushed message. This attribute
     * indicates the version of the data expected by the endpoint. This
     * controls the shape of the pushed message (i.e., its fields and metadata).
     *
     * If not present during the `CreateSubscription` call, it will default to
     * the version of the Pub/Sub API used to make such call. If not present in a
     * `ModifyPushConfig` call, its value will not be changed. `GetSubscription`
     * calls will always return a valid version, even if the subscription was
     * created without this attribute.
     *
     * The only supported values for the `x-goog-version` attribute are:
     *
     * * `v1beta1`: uses the push format defined in the v1beta1 Pub/Sub API.
     * * `v1` or `v1beta2`: uses the push format defined in the v1 Pub/Sub API.
     *
     * For example:
     * `attributes { "x-goog-version": "v1" }`
     * </pre>
     *
     * <code>map&lt;string, string&gt; attributes = 2 [(.google.api.field_behavior) = OPTIONAL];
     * </code>
     */
    public Builder putAttributes(java.lang.String key, java.lang.String value) {
      if (key == null) {
        throw new NullPointerException("map key");
      }
      if (value == null) {
        throw new NullPointerException("map value");
      }
      internalGetMutableAttributes().getMutableMap().put(key, value);
      bitField0_ |= 0x00000002;
      return this;
    }

    /**
     *
     *
     * <pre>
     * Optional. Endpoint configuration attributes that can be used to control
     * different aspects of the message delivery.
     *
     * The only currently supported attribute is `x-goog-version`, which you can
     * use to change the format of the pushed message. This attribute
     * indicates the version of the data expected by the endpoint. This
     * controls the shape of the pushed message (i.e., its fields and metadata).
     *
     * If not present during the `CreateSubscription` call, it will default to
     * the version of the Pub/Sub API used to make such call. If not present in a
     * `ModifyPushConfig` call, its value will not be changed. `GetSubscription`
     * calls will always return a valid version, even if the subscription was
     * created without this attribute.
     *
     * The only supported values for the `x-goog-version` attribute are:
     *
     * * `v1beta1`: uses the push format defined in the v1beta1 Pub/Sub API.
     * * `v1` or `v1beta2`: uses the push format defined in the v1 Pub/Sub API.
     *
     * For example:
     * `attributes { "x-goog-version": "v1" }`
     * </pre>
     *
     * <code>map&lt;string, string&gt; attributes = 2 [(.google.api.field_behavior) = OPTIONAL];
     * </code>
     */
    public Builder putAllAttributes(java.util.Map<java.lang.String, java.lang.String> values) {
      internalGetMutableAttributes().getMutableMap().putAll(values);
      bitField0_ |= 0x00000002;
      return this;
    }

    private com.google.protobuf.SingleFieldBuilderV3<
            com.google.pubsub.v1.PushConfig.OidcToken,
            com.google.pubsub.v1.PushConfig.OidcToken.Builder,
            com.google.pubsub.v1.PushConfig.OidcTokenOrBuilder>
        oidcTokenBuilder_;

    /**
     *
     *
     * <pre>
     * Optional. If specified, Pub/Sub will generate and attach an OIDC JWT
     * token as an `Authorization` header in the HTTP request for every pushed
     * message.
     * </pre>
     *
     * <code>
     * .google.pubsub.v1.PushConfig.OidcToken oidc_token = 3 [(.google.api.field_behavior) = OPTIONAL];
     * </code>
     *
     * @return Whether the oidcToken field is set.
     */
    @java.lang.Override
    public boolean hasOidcToken() {
      return authenticationMethodCase_ == 3;
    }

    /**
     *
     *
     * <pre>
     * Optional. If specified, Pub/Sub will generate and attach an OIDC JWT
     * token as an `Authorization` header in the HTTP request for every pushed
     * message.
     * </pre>
     *
     * <code>
     * .google.pubsub.v1.PushConfig.OidcToken oidc_token = 3 [(.google.api.field_behavior) = OPTIONAL];
     * </code>
     *
     * @return The oidcToken.
     */
    @java.lang.Override
    public com.google.pubsub.v1.PushConfig.OidcToken getOidcToken() {
      if (oidcTokenBuilder_ == null) {
        if (authenticationMethodCase_ == 3) {
          return (com.google.pubsub.v1.PushConfig.OidcToken) authenticationMethod_;
        }
        return com.google.pubsub.v1.PushConfig.OidcToken.getDefaultInstance();
      } else {
        if (authenticationMethodCase_ == 3) {
          return oidcTokenBuilder_.getMessage();
        }
        return com.google.pubsub.v1.PushConfig.OidcToken.getDefaultInstance();
      }
    }

    /**
     *
     *
     * <pre>
     * Optional. If specified, Pub/Sub will generate and attach an OIDC JWT
     * token as an `Authorization` header in the HTTP request for every pushed
     * message.
     * </pre>
     *
     * <code>
     * .google.pubsub.v1.PushConfig.OidcToken oidc_token = 3 [(.google.api.field_behavior) = OPTIONAL];
     * </code>
     */
    public Builder setOidcToken(com.google.pubsub.v1.PushConfig.OidcToken value) {
      if (oidcTokenBuilder_ == null) {
        if (value == null) {
          throw new NullPointerException();
        }
        authenticationMethod_ = value;
        onChanged();
      } else {
        oidcTokenBuilder_.setMessage(value);
      }
      authenticationMethodCase_ = 3;
      return this;
    }

    /**
     *
     *
     * <pre>
     * Optional. If specified, Pub/Sub will generate and attach an OIDC JWT
     * token as an `Authorization` header in the HTTP request for every pushed
     * message.
     * </pre>
     *
     * <code>
     * .google.pubsub.v1.PushConfig.OidcToken oidc_token = 3 [(.google.api.field_behavior) = OPTIONAL];
     * </code>
     */
    public Builder setOidcToken(com.google.pubsub.v1.PushConfig.OidcToken.Builder builderForValue) {
      if (oidcTokenBuilder_ == null) {
        authenticationMethod_ = builderForValue.build();
        onChanged();
      } else {
        oidcTokenBuilder_.setMessage(builderForValue.build());
      }
      authenticationMethodCase_ = 3;
      return this;
    }

    /**
     *
     *
     * <pre>
     * Optional. If specified, Pub/Sub will generate and attach an OIDC JWT
     * token as an `Authorization` header in the HTTP request for every pushed
     * message.
     * </pre>
     *
     * <code>
     * .google.pubsub.v1.PushConfig.OidcToken oidc_token = 3 [(.google.api.field_behavior) = OPTIONAL];
     * </code>
     */
    public Builder mergeOidcToken(com.google.pubsub.v1.PushConfig.OidcToken value) {
      if (oidcTokenBuilder_ == null) {
        if (authenticationMethodCase_ == 3
            && authenticationMethod_
                != com.google.pubsub.v1.PushConfig.OidcToken.getDefaultInstance()) {
          authenticationMethod_ =
              com.google.pubsub.v1.PushConfig.OidcToken.newBuilder(
                      (com.google.pubsub.v1.PushConfig.OidcToken) authenticationMethod_)
                  .mergeFrom(value)
                  .buildPartial();
        } else {
          authenticationMethod_ = value;
        }
        onChanged();
      } else {
        if (authenticationMethodCase_ == 3) {
          oidcTokenBuilder_.mergeFrom(value);
        } else {
          oidcTokenBuilder_.setMessage(value);
        }
      }
      authenticationMethodCase_ = 3;
      return this;
    }

    /**
     *
     *
     * <pre>
     * Optional. If specified, Pub/Sub will generate and attach an OIDC JWT
     * token as an `Authorization` header in the HTTP request for every pushed
     * message.
     * </pre>
     *
     * <code>
     * .google.pubsub.v1.PushConfig.OidcToken oidc_token = 3 [(.google.api.field_behavior) = OPTIONAL];
     * </code>
     */
    public Builder clearOidcToken() {
      if (oidcTokenBuilder_ == null) {
        if (authenticationMethodCase_ == 3) {
          authenticationMethodCase_ = 0;
          authenticationMethod_ = null;
          onChanged();
        }
      } else {
        if (authenticationMethodCase_ == 3) {
          authenticationMethodCase_ = 0;
          authenticationMethod_ = null;
        }
        oidcTokenBuilder_.clear();
      }
      return this;
    }

    /**
     *
     *
     * <pre>
     * Optional. If specified, Pub/Sub will generate and attach an OIDC JWT
     * token as an `Authorization` header in the HTTP request for every pushed
     * message.
     * </pre>
     *
     * <code>
     * .google.pubsub.v1.PushConfig.OidcToken oidc_token = 3 [(.google.api.field_behavior) = OPTIONAL];
     * </code>
     */
    public com.google.pubsub.v1.PushConfig.OidcToken.Builder getOidcTokenBuilder() {
      return getOidcTokenFieldBuilder().getBuilder();
    }

    /**
     *
     *
     * <pre>
     * Optional. If specified, Pub/Sub will generate and attach an OIDC JWT
     * token as an `Authorization` header in the HTTP request for every pushed
     * message.
     * </pre>
     *
     * <code>
     * .google.pubsub.v1.PushConfig.OidcToken oidc_token = 3 [(.google.api.field_behavior) = OPTIONAL];
     * </code>
     */
    @java.lang.Override
    public com.google.pubsub.v1.PushConfig.OidcTokenOrBuilder getOidcTokenOrBuilder() {
      if ((authenticationMethodCase_ == 3) && (oidcTokenBuilder_ != null)) {
        return oidcTokenBuilder_.getMessageOrBuilder();
      } else {
        if (authenticationMethodCase_ == 3) {
          return (com.google.pubsub.v1.PushConfig.OidcToken) authenticationMethod_;
        }
        return com.google.pubsub.v1.PushConfig.OidcToken.getDefaultInstance();
      }
    }

    /**
     *
     *
     * <pre>
     * Optional. If specified, Pub/Sub will generate and attach an OIDC JWT
     * token as an `Authorization` header in the HTTP request for every pushed
     * message.
     * </pre>
     *
     * <code>
     * .google.pubsub.v1.PushConfig.OidcToken oidc_token = 3 [(.google.api.field_behavior) = OPTIONAL];
     * </code>
     */
    private com.google.protobuf.SingleFieldBuilderV3<
            com.google.pubsub.v1.PushConfig.OidcToken,
            com.google.pubsub.v1.PushConfig.OidcToken.Builder,
            com.google.pubsub.v1.PushConfig.OidcTokenOrBuilder>
        getOidcTokenFieldBuilder() {
      if (oidcTokenBuilder_ == null) {
        if (!(authenticationMethodCase_ == 3)) {
          authenticationMethod_ = com.google.pubsub.v1.PushConfig.OidcToken.getDefaultInstance();
        }
        oidcTokenBuilder_ =
            new com.google.protobuf.SingleFieldBuilderV3<
                com.google.pubsub.v1.PushConfig.OidcToken,
                com.google.pubsub.v1.PushConfig.OidcToken.Builder,
                com.google.pubsub.v1.PushConfig.OidcTokenOrBuilder>(
                (com.google.pubsub.v1.PushConfig.OidcToken) authenticationMethod_,
                getParentForChildren(),
                isClean());
        authenticationMethod_ = null;
      }
      authenticationMethodCase_ = 3;
      onChanged();
      return oidcTokenBuilder_;
    }

    private com.google.protobuf.SingleFieldBuilderV3<
            com.google.pubsub.v1.PushConfig.PubsubWrapper,
            com.google.pubsub.v1.PushConfig.PubsubWrapper.Builder,
            com.google.pubsub.v1.PushConfig.PubsubWrapperOrBuilder>
        pubsubWrapperBuilder_;

    /**
     *
     *
     * <pre>
     * Optional. When set, the payload to the push endpoint is in the form of
     * the JSON representation of a PubsubMessage
     * (https://cloud.google.com/pubsub/docs/reference/rpc/google.pubsub.v1#pubsubmessage).
     * </pre>
     *
     * <code>
     * .google.pubsub.v1.PushConfig.PubsubWrapper pubsub_wrapper = 4 [(.google.api.field_behavior) = OPTIONAL];
     * </code>
     *
     * @return Whether the pubsubWrapper field is set.
     */
    @java.lang.Override
    public boolean hasPubsubWrapper() {
      return wrapperCase_ == 4;
    }

    /**
     *
     *
     * <pre>
     * Optional. When set, the payload to the push endpoint is in the form of
     * the JSON representation of a PubsubMessage
     * (https://cloud.google.com/pubsub/docs/reference/rpc/google.pubsub.v1#pubsubmessage).
     * </pre>
     *
     * <code>
     * .google.pubsub.v1.PushConfig.PubsubWrapper pubsub_wrapper = 4 [(.google.api.field_behavior) = OPTIONAL];
     * </code>
     *
     * @return The pubsubWrapper.
     */
    @java.lang.Override
    public com.google.pubsub.v1.PushConfig.PubsubWrapper getPubsubWrapper() {
      if (pubsubWrapperBuilder_ == null) {
        if (wrapperCase_ == 4) {
          return (com.google.pubsub.v1.PushConfig.PubsubWrapper) wrapper_;
        }
        return com.google.pubsub.v1.PushConfig.PubsubWrapper.getDefaultInstance();
      } else {
        if (wrapperCase_ == 4) {
          return pubsubWrapperBuilder_.getMessage();
        }
        return com.google.pubsub.v1.PushConfig.PubsubWrapper.getDefaultInstance();
      }
    }

    /**
     *
     *
     * <pre>
     * Optional. When set, the payload to the push endpoint is in the form of
     * the JSON representation of a PubsubMessage
     * (https://cloud.google.com/pubsub/docs/reference/rpc/google.pubsub.v1#pubsubmessage).
     * </pre>
     *
     * <code>
     * .google.pubsub.v1.PushConfig.PubsubWrapper pubsub_wrapper = 4 [(.google.api.field_behavior) = OPTIONAL];
     * </code>
     */
    public Builder setPubsubWrapper(com.google.pubsub.v1.PushConfig.PubsubWrapper value) {
      if (pubsubWrapperBuilder_ == null) {
        if (value == null) {
          throw new NullPointerException();
        }
        wrapper_ = value;
        onChanged();
      } else {
        pubsubWrapperBuilder_.setMessage(value);
      }
      wrapperCase_ = 4;
      return this;
    }

    /**
     *
     *
     * <pre>
     * Optional. When set, the payload to the push endpoint is in the form of
     * the JSON representation of a PubsubMessage
     * (https://cloud.google.com/pubsub/docs/reference/rpc/google.pubsub.v1#pubsubmessage).
     * </pre>
     *
     * <code>
     * .google.pubsub.v1.PushConfig.PubsubWrapper pubsub_wrapper = 4 [(.google.api.field_behavior) = OPTIONAL];
     * </code>
     */
    public Builder setPubsubWrapper(
        com.google.pubsub.v1.PushConfig.PubsubWrapper.Builder builderForValue) {
      if (pubsubWrapperBuilder_ == null) {
        wrapper_ = builderForValue.build();
        onChanged();
      } else {
        pubsubWrapperBuilder_.setMessage(builderForValue.build());
      }
      wrapperCase_ = 4;
      return this;
    }

    /**
     *
     *
     * <pre>
     * Optional. When set, the payload to the push endpoint is in the form of
     * the JSON representation of a PubsubMessage
     * (https://cloud.google.com/pubsub/docs/reference/rpc/google.pubsub.v1#pubsubmessage).
     * </pre>
     *
     * <code>
     * .google.pubsub.v1.PushConfig.PubsubWrapper pubsub_wrapper = 4 [(.google.api.field_behavior) = OPTIONAL];
     * </code>
     */
    public Builder mergePubsubWrapper(com.google.pubsub.v1.PushConfig.PubsubWrapper value) {
      if (pubsubWrapperBuilder_ == null) {
        if (wrapperCase_ == 4
            && wrapper_ != com.google.pubsub.v1.PushConfig.PubsubWrapper.getDefaultInstance()) {
          wrapper_ =
              com.google.pubsub.v1.PushConfig.PubsubWrapper.newBuilder(
                      (com.google.pubsub.v1.PushConfig.PubsubWrapper) wrapper_)
                  .mergeFrom(value)
                  .buildPartial();
        } else {
          wrapper_ = value;
        }
        onChanged();
      } else {
        if (wrapperCase_ == 4) {
          pubsubWrapperBuilder_.mergeFrom(value);
        } else {
          pubsubWrapperBuilder_.setMessage(value);
        }
      }
      wrapperCase_ = 4;
      return this;
    }

    /**
     *
     *
     * <pre>
     * Optional. When set, the payload to the push endpoint is in the form of
     * the JSON representation of a PubsubMessage
     * (https://cloud.google.com/pubsub/docs/reference/rpc/google.pubsub.v1#pubsubmessage).
     * </pre>
     *
     * <code>
     * .google.pubsub.v1.PushConfig.PubsubWrapper pubsub_wrapper = 4 [(.google.api.field_behavior) = OPTIONAL];
     * </code>
     */
    public Builder clearPubsubWrapper() {
      if (pubsubWrapperBuilder_ == null) {
        if (wrapperCase_ == 4) {
          wrapperCase_ = 0;
          wrapper_ = null;
          onChanged();
        }
      } else {
        if (wrapperCase_ == 4) {
          wrapperCase_ = 0;
          wrapper_ = null;
        }
        pubsubWrapperBuilder_.clear();
      }
      return this;
    }

    /**
     *
     *
     * <pre>
     * Optional. When set, the payload to the push endpoint is in the form of
     * the JSON representation of a PubsubMessage
     * (https://cloud.google.com/pubsub/docs/reference/rpc/google.pubsub.v1#pubsubmessage).
     * </pre>
     *
     * <code>
     * .google.pubsub.v1.PushConfig.PubsubWrapper pubsub_wrapper = 4 [(.google.api.field_behavior) = OPTIONAL];
     * </code>
     */
    public com.google.pubsub.v1.PushConfig.PubsubWrapper.Builder getPubsubWrapperBuilder() {
      return getPubsubWrapperFieldBuilder().getBuilder();
    }

    /**
     *
     *
     * <pre>
     * Optional. When set, the payload to the push endpoint is in the form of
     * the JSON representation of a PubsubMessage
     * (https://cloud.google.com/pubsub/docs/reference/rpc/google.pubsub.v1#pubsubmessage).
     * </pre>
     *
     * <code>
     * .google.pubsub.v1.PushConfig.PubsubWrapper pubsub_wrapper = 4 [(.google.api.field_behavior) = OPTIONAL];
     * </code>
     */
    @java.lang.Override
    public com.google.pubsub.v1.PushConfig.PubsubWrapperOrBuilder getPubsubWrapperOrBuilder() {
      if ((wrapperCase_ == 4) && (pubsubWrapperBuilder_ != null)) {
        return pubsubWrapperBuilder_.getMessageOrBuilder();
      } else {
        if (wrapperCase_ == 4) {
          return (com.google.pubsub.v1.PushConfig.PubsubWrapper) wrapper_;
        }
        return com.google.pubsub.v1.PushConfig.PubsubWrapper.getDefaultInstance();
      }
    }

    /**
     *
     *
     * <pre>
     * Optional. When set, the payload to the push endpoint is in the form of
     * the JSON representation of a PubsubMessage
     * (https://cloud.google.com/pubsub/docs/reference/rpc/google.pubsub.v1#pubsubmessage).
     * </pre>
     *
     * <code>
     * .google.pubsub.v1.PushConfig.PubsubWrapper pubsub_wrapper = 4 [(.google.api.field_behavior) = OPTIONAL];
     * </code>
     */
    private com.google.protobuf.SingleFieldBuilderV3<
            com.google.pubsub.v1.PushConfig.PubsubWrapper,
            com.google.pubsub.v1.PushConfig.PubsubWrapper.Builder,
            com.google.pubsub.v1.PushConfig.PubsubWrapperOrBuilder>
        getPubsubWrapperFieldBuilder() {
      if (pubsubWrapperBuilder_ == null) {
        if (!(wrapperCase_ == 4)) {
          wrapper_ = com.google.pubsub.v1.PushConfig.PubsubWrapper.getDefaultInstance();
        }
        pubsubWrapperBuilder_ =
            new com.google.protobuf.SingleFieldBuilderV3<
                com.google.pubsub.v1.PushConfig.PubsubWrapper,
                com.google.pubsub.v1.PushConfig.PubsubWrapper.Builder,
                com.google.pubsub.v1.PushConfig.PubsubWrapperOrBuilder>(
                (com.google.pubsub.v1.PushConfig.PubsubWrapper) wrapper_,
                getParentForChildren(),
                isClean());
        wrapper_ = null;
      }
      wrapperCase_ = 4;
      onChanged();
      return pubsubWrapperBuilder_;
    }

    private com.google.protobuf.SingleFieldBuilderV3<
            com.google.pubsub.v1.PushConfig.NoWrapper,
            com.google.pubsub.v1.PushConfig.NoWrapper.Builder,
            com.google.pubsub.v1.PushConfig.NoWrapperOrBuilder>
        noWrapperBuilder_;

    /**
     *
     *
     * <pre>
     * Optional. When set, the payload to the push endpoint is not wrapped.
     * </pre>
     *
     * <code>
     * .google.pubsub.v1.PushConfig.NoWrapper no_wrapper = 5 [(.google.api.field_behavior) = OPTIONAL];
     * </code>
     *
     * @return Whether the noWrapper field is set.
     */
    @java.lang.Override
    public boolean hasNoWrapper() {
      return wrapperCase_ == 5;
    }

    /**
     *
     *
     * <pre>
     * Optional. When set, the payload to the push endpoint is not wrapped.
     * </pre>
     *
     * <code>
     * .google.pubsub.v1.PushConfig.NoWrapper no_wrapper = 5 [(.google.api.field_behavior) = OPTIONAL];
     * </code>
     *
     * @return The noWrapper.
     */
    @java.lang.Override
    public com.google.pubsub.v1.PushConfig.NoWrapper getNoWrapper() {
      if (noWrapperBuilder_ == null) {
        if (wrapperCase_ == 5) {
          return (com.google.pubsub.v1.PushConfig.NoWrapper) wrapper_;
        }
        return com.google.pubsub.v1.PushConfig.NoWrapper.getDefaultInstance();
      } else {
        if (wrapperCase_ == 5) {
          return noWrapperBuilder_.getMessage();
        }
        return com.google.pubsub.v1.PushConfig.NoWrapper.getDefaultInstance();
      }
    }

    /**
     *
     *
     * <pre>
     * Optional. When set, the payload to the push endpoint is not wrapped.
     * </pre>
     *
     * <code>
     * .google.pubsub.v1.PushConfig.NoWrapper no_wrapper = 5 [(.google.api.field_behavior) = OPTIONAL];
     * </code>
     */
    public Builder setNoWrapper(com.google.pubsub.v1.PushConfig.NoWrapper value) {
      if (noWrapperBuilder_ == null) {
        if (value == null) {
          throw new NullPointerException();
        }
        wrapper_ = value;
        onChanged();
      } else {
        noWrapperBuilder_.setMessage(value);
      }
      wrapperCase_ = 5;
      return this;
    }

    /**
     *
     *
     * <pre>
     * Optional. When set, the payload to the push endpoint is not wrapped.
     * </pre>
     *
     * <code>
     * .google.pubsub.v1.PushConfig.NoWrapper no_wrapper = 5 [(.google.api.field_behavior) = OPTIONAL];
     * </code>
     */
    public Builder setNoWrapper(com.google.pubsub.v1.PushConfig.NoWrapper.Builder builderForValue) {
      if (noWrapperBuilder_ == null) {
        wrapper_ = builderForValue.build();
        onChanged();
      } else {
        noWrapperBuilder_.setMessage(builderForValue.build());
      }
      wrapperCase_ = 5;
      return this;
    }

    /**
     *
     *
     * <pre>
     * Optional. When set, the payload to the push endpoint is not wrapped.
     * </pre>
     *
     * <code>
     * .google.pubsub.v1.PushConfig.NoWrapper no_wrapper = 5 [(.google.api.field_behavior) = OPTIONAL];
     * </code>
     */
    public Builder mergeNoWrapper(com.google.pubsub.v1.PushConfig.NoWrapper value) {
      if (noWrapperBuilder_ == null) {
        if (wrapperCase_ == 5
            && wrapper_ != com.google.pubsub.v1.PushConfig.NoWrapper.getDefaultInstance()) {
          wrapper_ =
              com.google.pubsub.v1.PushConfig.NoWrapper.newBuilder(
                      (com.google.pubsub.v1.PushConfig.NoWrapper) wrapper_)
                  .mergeFrom(value)
                  .buildPartial();
        } else {
          wrapper_ = value;
        }
        onChanged();
      } else {
        if (wrapperCase_ == 5) {
          noWrapperBuilder_.mergeFrom(value);
        } else {
          noWrapperBuilder_.setMessage(value);
        }
      }
      wrapperCase_ = 5;
      return this;
    }

    /**
     *
     *
     * <pre>
     * Optional. When set, the payload to the push endpoint is not wrapped.
     * </pre>
     *
     * <code>
     * .google.pubsub.v1.PushConfig.NoWrapper no_wrapper = 5 [(.google.api.field_behavior) = OPTIONAL];
     * </code>
     */
    public Builder clearNoWrapper() {
      if (noWrapperBuilder_ == null) {
        if (wrapperCase_ == 5) {
          wrapperCase_ = 0;
          wrapper_ = null;
          onChanged();
        }
      } else {
        if (wrapperCase_ == 5) {
          wrapperCase_ = 0;
          wrapper_ = null;
        }
        noWrapperBuilder_.clear();
      }
      return this;
    }

    /**
     *
     *
     * <pre>
     * Optional. When set, the payload to the push endpoint is not wrapped.
     * </pre>
     *
     * <code>
     * .google.pubsub.v1.PushConfig.NoWrapper no_wrapper = 5 [(.google.api.field_behavior) = OPTIONAL];
     * </code>
     */
    public com.google.pubsub.v1.PushConfig.NoWrapper.Builder getNoWrapperBuilder() {
      return getNoWrapperFieldBuilder().getBuilder();
    }

    /**
     *
     *
     * <pre>
     * Optional. When set, the payload to the push endpoint is not wrapped.
     * </pre>
     *
     * <code>
     * .google.pubsub.v1.PushConfig.NoWrapper no_wrapper = 5 [(.google.api.field_behavior) = OPTIONAL];
     * </code>
     */
    @java.lang.Override
    public com.google.pubsub.v1.PushConfig.NoWrapperOrBuilder getNoWrapperOrBuilder() {
      if ((wrapperCase_ == 5) && (noWrapperBuilder_ != null)) {
        return noWrapperBuilder_.getMessageOrBuilder();
      } else {
        if (wrapperCase_ == 5) {
          return (com.google.pubsub.v1.PushConfig.NoWrapper) wrapper_;
        }
        return com.google.pubsub.v1.PushConfig.NoWrapper.getDefaultInstance();
      }
    }

    /**
     *
     *
     * <pre>
     * Optional. When set, the payload to the push endpoint is not wrapped.
     * </pre>
     *
     * <code>
     * .google.pubsub.v1.PushConfig.NoWrapper no_wrapper = 5 [(.google.api.field_behavior) = OPTIONAL];
     * </code>
     */
    private com.google.protobuf.SingleFieldBuilderV3<
            com.google.pubsub.v1.PushConfig.NoWrapper,
            com.google.pubsub.v1.PushConfig.NoWrapper.Builder,
            com.google.pubsub.v1.PushConfig.NoWrapperOrBuilder>
        getNoWrapperFieldBuilder() {
      if (noWrapperBuilder_ == null) {
        if (!(wrapperCase_ == 5)) {
          wrapper_ = com.google.pubsub.v1.PushConfig.NoWrapper.getDefaultInstance();
        }
        noWrapperBuilder_ =
            new com.google.protobuf.SingleFieldBuilderV3<
                com.google.pubsub.v1.PushConfig.NoWrapper,
                com.google.pubsub.v1.PushConfig.NoWrapper.Builder,
                com.google.pubsub.v1.PushConfig.NoWrapperOrBuilder>(
                (com.google.pubsub.v1.PushConfig.NoWrapper) wrapper_,
                getParentForChildren(),
                isClean());
        wrapper_ = null;
      }
      wrapperCase_ = 5;
      onChanged();
      return noWrapperBuilder_;
    }

    @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.pubsub.v1.PushConfig)
  }

  // @@protoc_insertion_point(class_scope:google.pubsub.v1.PushConfig)
  private static final com.google.pubsub.v1.PushConfig DEFAULT_INSTANCE;

  static {
    DEFAULT_INSTANCE = new com.google.pubsub.v1.PushConfig();
  }

  public static com.google.pubsub.v1.PushConfig getDefaultInstance() {
    return DEFAULT_INSTANCE;
  }

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

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

  @java.lang.Override
  public com.google.pubsub.v1.PushConfig getDefaultInstanceForType() {
    return DEFAULT_INSTANCE;
  }
}
