/*
 * 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(
      int number) {
    switch (number) {
      case 2:
        return internalGetAttributes();
      default:
        throw new RuntimeException("Invalid map field number: " + number);
    }
  }

  @java.lang.Override
  protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
      internalGetFieldAccessorTable() {
    return com.google.pubsub.v1.PubsubProto
        .internal_static_google_pubsub_v1_PushConfig_fieldAccessorTable
        .ensureFieldAccessorsInitialized(
            com.google.pubsub.v1.PushConfig.class, com.google.pubsub.v1.PushConfig.Builder.class);
  }

  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
      implements
      // @@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) {
      super(builder);
    }

    private OidcToken() {
      serviceAccountEmail_ = "";
      audience_ = "";
    }

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

    public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
      return com.google.pubsub.v1.PubsubProto
          .internal_static_google_pubsub_v1_PushConfig_OidcToken_descriptor;
    }

    @java.lang.Override
    protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
        internalGetFieldAccessorTable() {
      return com.google.pubsub.v1.PubsubProto
          .internal_static_google_pubsub_v1_PushConfig_OidcToken_fieldAccessorTable
          .ensureFieldAccessorsInitialized(
              com.google.pubsub.v1.PushConfig.OidcToken.class,
              com.google.pubsub.v1.PushConfig.OidcToken.Builder.class);
    }

    public static final int SERVICE_ACCOUNT_EMAIL_FIELD_NUMBER = 1;

    @SuppressWarnings("serial")
    private volatile java.lang.Object serviceAccountEmail_ = "";

    /**
     *
     *
     * <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.Override
    public java.lang.String getServiceAccountEmail() {
      java.lang.Object ref = serviceAccountEmail_;
      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();
        serviceAccountEmail_ = s;
        return s;
      }
    }

    /**
     *
     *
     * <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.
     */
    @java.lang.Override
    public com.google.protobuf.ByteString getServiceAccountEmailBytes() {
      java.lang.Object ref = serviceAccountEmail_;
      if (ref instanceof java.lang.String) {
        com.google.protobuf.ByteString b =
            com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
        serviceAccountEmail_ = b;
        return b;
      } else {
        return (com.google.protobuf.ByteString) ref;
      }
    }

    public static final int AUDIENCE_FIELD_NUMBER = 2;

    @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.
     */
    @java.lang.Override
    public java.lang.String getAudience() {
      java.lang.Object ref = audience_;
      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();
        audience_ = s;
        return s;
      }
    }

    /**
     *
     *
     * <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.
     */
    @java.lang.Override
    public com.google.protobuf.ByteString getAudienceBytes() {
      java.lang.Object ref = audience_;
      if (ref instanceof java.lang.String) {
        com.google.protobuf.ByteString b =
            com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
        audience_ = 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(serviceAccountEmail_)) {
        com.google.protobuf.GeneratedMessageV3.writeString(output, 1, serviceAccountEmail_);
      }
      if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(audience_)) {
        com.google.protobuf.GeneratedMessageV3.writeString(output, 2, audience_);
      }
      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(serviceAccountEmail_)) {
        size += com.google.protobuf.GeneratedMessageV3.computeStringSize(1, serviceAccountEmail_);
      }
      if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(audience_)) {
        size += com.google.protobuf.GeneratedMessageV3.computeStringSize(2, audience_);
      }
      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.OidcToken)) {
        return super.equals(obj);
      }
      com.google.pubsub.v1.PushConfig.OidcToken other =
          (com.google.pubsub.v1.PushConfig.OidcToken) obj;

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

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

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

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

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

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

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

    public static com.google.pubsub.v1.PushConfig.OidcToken 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.OidcToken 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.OidcToken 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.OidcToken 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>
     * 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
            .internal_static_google_pubsub_v1_PushConfig_OidcToken_descriptor;
      }

      @java.lang.Override
      protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
          internalGetFieldAccessorTable() {
        return com.google.pubsub.v1.PubsubProto
            .internal_static_google_pubsub_v1_PushConfig_OidcToken_fieldAccessorTable
            .ensureFieldAccessorsInitialized(
                com.google.pubsub.v1.PushConfig.OidcToken.class,
                com.google.pubsub.v1.PushConfig.OidcToken.Builder.class);
      }

      // Construct using com.google.pubsub.v1.PushConfig.OidcToken.newBuilder()
      private Builder() {}

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

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

      @java.lang.Override
      public com.google.protobuf.Descriptors.Descriptor getDescriptorForType() {
        return com.google.pubsub.v1.PubsubProto
            .internal_static_google_pubsub_v1_PushConfig_OidcToken_descriptor;
      }

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

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

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

      private void buildPartial0(com.google.pubsub.v1.PushConfig.OidcToken result) {
        int from_bitField0_ = bitField0_;
        if (((from_bitField0_ & 0x00000001) != 0)) {
          result.serviceAccountEmail_ = serviceAccountEmail_;
        }
        if (((from_bitField0_ & 0x00000002) != 0)) {
          result.audience_ = audience_;
        }
      }

      @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.pubsub.v1.PushConfig.OidcToken) {
          return mergeFrom((com.google.pubsub.v1.PushConfig.OidcToken) other);
        } else {
          super.mergeFrom(other);
          return this;
        }
      }

      public Builder mergeFrom(com.google.pubsub.v1.PushConfig.OidcToken other) {
        if (other == com.google.pubsub.v1.PushConfig.OidcToken.getDefaultInstance()) return this;
        if (!other.getServiceAccountEmail().isEmpty()) {
          serviceAccountEmail_ = other.serviceAccountEmail_;
          bitField0_ |= 0x00000001;
          onChanged();
        }
        if (!other.getAudience().isEmpty()) {
          audience_ = other.audience_;
          bitField0_ |= 0x00000002;
          onChanged();
        }
        this.mergeUnknownFields(other.getUnknownFields());
        onChanged();
        return this;
      }

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

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

      private int bitField0_;

      private java.lang.Object serviceAccountEmail_ = "";

      /**
       *
       *
       * <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.
       */
      public java.lang.String getServiceAccountEmail() {
        java.lang.Object ref = serviceAccountEmail_;
        if (!(ref instanceof java.lang.String)) {
          com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
          java.lang.String s = bs.toStringUtf8();
          serviceAccountEmail_ = s;
          return s;
        } else {
          return (java.lang.String) ref;
        }
      }

      /**
       *
       *
       * <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.
       */
      public com.google.protobuf.ByteString getServiceAccountEmailBytes() {
        java.lang.Object ref = serviceAccountEmail_;
        if (ref instanceof String) {
          com.google.protobuf.ByteString b =
              com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
          serviceAccountEmail_ = b;
          return b;
        } else {
          return (com.google.protobuf.ByteString) ref;
        }
      }

      /**
       *
       *
       * <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>
       *
       * @param value The serviceAccountEmail to set.
       * @return This builder for chaining.
       */
      public Builder setServiceAccountEmail(java.lang.String value) {
        if (value == null) {
          throw new NullPointerException();
        }
        serviceAccountEmail_ = value;
        bitField0_ |= 0x00000001;
        onChanged();
        return this;
      }

      /**
       *
       *
       * <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 This builder for chaining.
       */
      public Builder clearServiceAccountEmail() {
        serviceAccountEmail_ = getDefaultInstance().getServiceAccountEmail();
        bitField0_ = (bitField0_ & ~0x00000001);
        onChanged();
        return this;
      }

      /**
       *
       *
       * <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>
       *
       * @param value The bytes for serviceAccountEmail to set.
       * @return This builder for chaining.
       */
      public Builder setServiceAccountEmailBytes(com.google.protobuf.ByteString value) {
        if (value == null) {
          throw new NullPointerException();
        }
        checkByteStringIsUtf8(value);
        serviceAccountEmail_ = value;
        bitField0_ |= 0x00000001;
        onChanged();
        return this;
      }

      private 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.
       */
      public java.lang.String getAudience() {
        java.lang.Object ref = audience_;
        if (!(ref instanceof java.lang.String)) {
          com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
          java.lang.String s = bs.toStringUtf8();
          audience_ = s;
          return s;
        } else {
          return (java.lang.String) ref;
        }
      }

      /**
       *
       *
       * <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.
       */
      public com.google.protobuf.ByteString getAudienceBytes() {
        java.lang.Object ref = audience_;
        if (ref instanceof String) {
          com.google.protobuf.ByteString b =
              com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
          audience_ = b;
          return b;
        } else {
          return (com.google.protobuf.ByteString) ref;
        }
      }

      /**
       *
       *
       * <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>
       *
       * @param value The audience to set.
       * @return This builder for chaining.
       */
      public Builder setAudience(java.lang.String value) {
        if (value == null) {
          throw new NullPointerException();
        }
        audience_ = value;
        bitField0_ |= 0x00000002;
        onChanged();
        return this;
      }

      /**
       *
       *
       * <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>
       *
