/*
 * Copyright 2026 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!
// NO CHECKED-IN PROTOBUF GENCODE
// source: google/pubsub/v1/pubsub.proto
// Protobuf Java Version: 4.33.2

package com.google.pubsub.v1;

/**
 *
 *
 * <pre>
 * A message that is published by publishers and consumed by subscribers. The
 * message must contain either a non-empty data field or at least one attribute.
 * Note that client libraries represent this object differently
 * depending on the language. See the corresponding [client library
 * documentation](https://cloud.google.com/pubsub/docs/reference/libraries) for
 * more information. See [quotas and limits]
 * (https://cloud.google.com/pubsub/quotas) for more information about message
 * limits.
 * </pre>
 *
 * Protobuf type {@code google.pubsub.v1.PubsubMessage}
 */
@com.google.protobuf.Generated
public final class PubsubMessage extends com.google.protobuf.GeneratedMessage
    implements
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  /**
   *
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   * Optional. Attributes for this message. If this field is empty, the message
   * must contain non-empty data. This can be used to filter messages on the
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   * </pre>
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  /**
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  /**
   *
   *
   * <pre>
   * Optional. Attributes for this message. If this field is empty, the message
   * must contain non-empty data. This can be used to filter messages on the
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   * </pre>
   *
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  /**
   *
   *
   * <pre>
   * ID of this message, assigned by the server when the message is published.
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  /**
   *
   *
   * <pre>
   * ID of this message, assigned by the server when the message is published.
   * Guaranteed to be unique within the topic. This value may be read by a
   * subscriber that receives a `PubsubMessage` via a `Pull` call or a push
   * delivery. It must not be populated by the publisher in a `Publish` call.
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  /**
   *
   *
   * <pre>
   * The time at which the message was published, populated by the server when
   * it receives the `Publish` call. It must not be populated by the
   * publisher in a `Publish` call.
   * </pre>
   *
   * <code>.google.protobuf.Timestamp publish_time = 4;</code>
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  /**
   *
   *
   * <pre>
   * The time at which the message was published, populated by the server when
   * it receives the `Publish` call. It must not be populated by the
   * publisher in a `Publish` call.
   * </pre>
   *
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   *
   *
   * <pre>
   * The time at which the message was published, populated by the server when
   * it receives the `Publish` call. It must not be populated by the
   * publisher in a `Publish` call.
   * </pre>
   *
   * <code>.google.protobuf.Timestamp publish_time = 4;</code>
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  @SuppressWarnings("serial")
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  /**
   *
   *
   * <pre>
   * Optional. If non-empty, identifies related messages for which publish order
   * should be respected. If a `Subscription` has `enable_message_ordering` set
   * to `true`, messages published with the same non-empty `ordering_key` value
   * will be delivered to subscribers in the order in which they are received by
   * the Pub/Sub system. All `PubsubMessage`s published in a given
   * `PublishRequest` must specify the same `ordering_key` value. For more
   * information, see [ordering
   * messages](https://cloud.google.com/pubsub/docs/ordering).
   * </pre>
   *
   * <code>string ordering_key = 5 [(.google.api.field_behavior) = OPTIONAL];</code>
   *
   * @return The orderingKey.
   */
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   * <pre>
   * Optional. If non-empty, identifies related messages for which publish order
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   * to `true`, messages published with the same non-empty `ordering_key` value
   * will be delivered to subscribers in the order in which they are received by
   * the Pub/Sub system. All `PubsubMessage`s published in a given
   * `PublishRequest` must specify the same `ordering_key` value. For more
   * information, see [ordering
   * messages](https://cloud.google.com/pubsub/docs/ordering).
   * </pre>
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   * Note that client libraries represent this object differently
   * depending on the language. See the corresponding [client library
   * documentation](https://cloud.google.com/pubsub/docs/reference/libraries) for
   * more information. See [quotas and limits]
   * (https://cloud.google.com/pubsub/quotas) for more information about message
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      }
      if (((from_bitField0_ & 0x00000002) != 0)) {
        result.attributes_ = internalGetAttributes();
        result.attributes_.makeImmutable();
      }
      if (((from_bitField0_ & 0x00000004) != 0)) {
        result.messageId_ = messageId_;
      }
      int to_bitField0_ = 0;
      if (((from_bitField0_ & 0x00000008) != 0)) {
        result.publishTime_ =
            publishTimeBuilder_ == null ? publishTime_ : publishTimeBuilder_.build();
        to_bitField0_ |= 0x00000001;
      }
      if (((from_bitField0_ & 0x00000010) != 0)) {
        result.orderingKey_ = orderingKey_;
      }
      result.bitField0_ |= to_bitField0_;
    }

    @java.lang.Override
    public Builder mergeFrom(com.google.protobuf.Message other) {
      if (other instanceof com.google.pubsub.v1.PubsubMessage) {
        return mergeFrom((com.google.pubsub.v1.PubsubMessage) other);
      } else {
        super.mergeFrom(other);
        return this;
      }
    }

    public Builder mergeFrom(com.google.pubsub.v1.PubsubMessage other) {
      if (other == com.google.pubsub.v1.PubsubMessage.getDefaultInstance()) return this;
      if (!other.getData().isEmpty()) {
        setData(other.getData());
      }
      internalGetMutableAttributes().mergeFrom(other.internalGetAttributes());
      bitField0_ |= 0x00000002;
      if (!other.getMessageId().isEmpty()) {
        messageId_ = other.messageId_;
        bitField0_ |= 0x00000004;
        onChanged();
      }
      if (other.hasPublishTime()) {
        mergePublishTime(other.getPublishTime());
      }
      if (!other.getOrderingKey().isEmpty()) {
        orderingKey_ = other.orderingKey_;
        bitField0_ |= 0x00000010;
        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:
              {
                data_ = input.readBytes();
                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:
              {
                messageId_ = input.readStringRequireUtf8();
                bitField0_ |= 0x00000004;
                break;
              } // case 26
            case 34:
              {
                input.readMessage(
                    internalGetPublishTimeFieldBuilder().getBuilder(), extensionRegistry);
                bitField0_ |= 0x00000008;
                break;
              } // case 34
            case 42:
              {
                orderingKey_ = input.readStringRequireUtf8();
                bitField0_ |= 0x00000010;
                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 bitField0_;

    private com.google.protobuf.ByteString data_ = com.google.protobuf.ByteString.EMPTY;

    /**
     *
     *
     * <pre>
     * Optional. The message data field. If this field is empty, the message must
     * contain at least one attribute.
     * </pre>
     *
     * <code>bytes data = 1 [(.google.api.field_behavior) = OPTIONAL];</code>
     *
     * @return The data.
     */
    @java.lang.Override
    public com.google.protobuf.ByteString getData() {
      return data_;
    }

    /**
     *
     *
     * <pre>
     * Optional. The message data field. If this field is empty, the message must
     * contain at least one attribute.
     * </pre>
     *
     * <code>bytes data = 1 [(.google.api.field_behavior) = OPTIONAL];</code>
     *
     * @param value The data to set.
     * @return This builder for chaining.
     */
    public Builder setData(com.google.protobuf.ByteString value) {
      if (value == null) {
        throw new NullPointerException();
      }
      data_ = value;
      bitField0_ |= 0x00000001;
      onChanged();
      return this;
    }

    /**
     *
     *
     * <pre>
     * Optional. The message data field. If this field is empty, the message must
     * contain at least one attribute.
     * </pre>
     *
     * <code>bytes data = 1 [(.google.api.field_behavior) = OPTIONAL];</code>
     *
     * @return This builder for chaining.
     */
    public Builder clearData() {
      bitField0_ = (bitField0_ & ~0x00000001);
      data_ = getDefaultInstance().getData();
      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. Attributes for this message. If this field is empty, the message
     * must contain non-empty data. This can be used to filter messages on the
     * subscription.
     * </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. Attributes for this message. If this field is empty, the message
     * must contain non-empty data. This can be used to filter messages on the
     * subscription.
     * </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. Attributes for this message. If this field is empty, the message
     * must contain non-empty data. This can be used to filter messages on the
     * subscription.
     * </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. Attributes for this message. If this field is empty, the message
     * must contain non-empty data. This can be used to filter messages on the
     * subscription.
     * </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. Attributes for this message. If this field is empty, the message
     * must contain non-empty data. This can be used to filter messages on the
     * subscription.
     * </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. Attributes for this message. If this field is empty, the message
     * must contain non-empty data. This can be used to filter messages on the
     * subscription.
     * </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. Attributes for this message. If this field is empty, the message
     * must contain non-empty data. This can be used to filter messages on the
     * subscription.
     * </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 java.lang.Object messageId_ = "";

    /**
     *
     *
     * <pre>
     * ID of this message, assigned by the server when the message is published.
     * Guaranteed to be unique within the topic. This value may be read by a
     * subscriber that receives a `PubsubMessage` via a `Pull` call or a push
     * delivery. It must not be populated by the publisher in a `Publish` call.
     * </pre>
     *
     * <code>string message_id = 3;</code>
     *
     * @return The messageId.
     */
    public java.lang.String getMessageId() {
      java.lang.Object ref = messageId_;
      if (!(ref instanceof java.lang.String)) {
        com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
        java.lang.String s = bs.toStringUtf8();
        messageId_ = s;
        return s;
      } else {
        return (java.lang.String) ref;
      }
    }

    /**
     *
     *
     * <pre>
     * ID of this message, assigned by the server when the message is published.
     * Guaranteed to be unique within the topic. This value may be read by a
     * subscriber that receives a `PubsubMessage` via a `Pull` call or a push
     * delivery. It must not be populated by the publisher in a `Publish` call.
     * </pre>
     *
     * <code>string message_id = 3;</code>
     *
     * @return The bytes for messageId.
     */
    public com.google.protobuf.ByteString getMessageIdBytes() {
      java.lang.Object ref = messageId_;
      if (ref instanceof String) {
        com.google.protobuf.ByteString b =
            com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
        messageId_ = b;
        return b;
      } else {
        return (com.google.protobuf.ByteString) ref;
      }
    }

    /**
     *
     *
     * <pre>
     * ID of this message, assigned by the server when the message is published.
     * Guaranteed to be unique within the topic. This value may be read by a
     * subscriber that receives a `PubsubMessage` via a `Pull` call or a push
     * delivery. It must not be populated by the publisher in a `Publish` call.
     * </pre>
     *
     * <code>string message_id = 3;</code>
     *
     * @param value The messageId to set.
     * @return This builder for chaining.
     */
    public Builder setMessageId(java.lang.String value) {
      if (value == null) {
        throw new NullPointerException();
      }
      messageId_ = value;
      bitField0_ |= 0x00000004;
      onChanged();
      return this;
    }

    /**
     *
     *
     * <pre>
     * ID of this message, assigned by the server when the message is published.
     * Guaranteed to be unique within the topic. This value may be read by a
     * subscriber that receives a `PubsubMessage` via a `Pull` call or a push
     * delivery. It must not be populated by the publisher in a `Publish` call.
     * </pre>
     *
     * <code>string message_id = 3;</code>
     *
     * @return This builder for chaining.
     */
    public Builder clearMessageId() {
      messageId_ = getDefaultInstance().getMessageId();
      bitField0_ = (bitField0_ & ~0x00000004);
      onChanged();
      return this;
    }

    /**
     *
     *
     * <pre>
     * ID of this message, assigned by the server when the message is published.
     * Guaranteed to be unique within the topic. This value may be read by a
     * subscriber that receives a `PubsubMessage` via a `Pull` call or a push
     * delivery. It must not be populated by the publisher in a `Publish` call.
     * </pre>
     *
     * <code>string message_id = 3;</code>
     *
     * @param value The bytes for messageId to set.
     * @return This builder for chaining.
     */
    public Builder setMessageIdBytes(com.google.protobuf.ByteString value) {
      if (value == null) {
        throw new NullPointerException();
      }
      checkByteStringIsUtf8(value);
      messageId_ = value;
      bitField0_ |= 0x00000004;
      onChanged();
      return this;
    }

    private com.google.protobuf.Timestamp publishTime_;
    private com.google.protobuf.SingleFieldBuilder<
            com.google.protobuf.Timestamp,
            com.google.protobuf.Timestamp.Builder,
            com.google.protobuf.TimestampOrBuilder>
        publishTimeBuilder_;

    /**
     *
     *
     * <pre>
     * The time at which the message was published, populated by the server when
     * it receives the `Publish` call. It must not be populated by the
     * publisher in a `Publish` call.
     * </pre>
     *
     * <code>.google.protobuf.Timestamp publish_time = 4;</code>
     *
     * @return Whether the publishTime field is set.
     */
    public boolean hasPublishTime() {
      return ((bitField0_ & 0x00000008) != 0);
    }

    /**
     *
     *
     * <pre>
     * The time at which the message was published, populated by the server when
     * it receives the `Publish` call. It must not be populated by the
     * publisher in a `Publish` call.
     * </pre>
     *
     * <code>.google.protobuf.Timestamp publish_time = 4;</code>
     *
     * @return The publishTime.
     */
    public com.google.protobuf.Timestamp getPublishTime() {
      if (publishTimeBuilder_ == null) {
        return publishTime_ == null
            ? com.google.protobuf.Timestamp.getDefaultInstance()
            : publishTime_;
      } else {
        return publishTimeBuilder_.getMessage();
      }
    }

    /**
     *
     *
     * <pre>
     * The time at which the message was published, populated by the server when
     * it receives the `Publish` call. It must not be populated by the
     * publisher in a `Publish` call.
     * </pre>
     *
     * <code>.google.protobuf.Timestamp publish_time = 4;</code>
     */
    public Builder setPublishTime(com.google.protobuf.Timestamp value) {
      if (publishTimeBuilder_ == null) {
        if (value == null) {
          throw new NullPointerException();
        }
        publishTime_ = value;
      } else {
        publishTimeBuilder_.setMessage(value);
      }
      bitField0_ |= 0x00000008;
      onChanged();
      return this;
    }

    /**
     *
     *
     * <pre>
     * The time at which the message was published, populated by the server when
     * it receives the `Publish` call. It must not be populated by the
     * publisher in a `Publish` call.
     * </pre>
     *
     * <code>.google.protobuf.Timestamp publish_time = 4;</code>
     */
    public Builder setPublishTime(com.google.protobuf.Timestamp.Builder builderForValue) {
      if (publishTimeBuilder_ == null) {
        publishTime_ = builderForValue.build();
      } else {
        publishTimeBuilder_.setMessage(builderForValue.build());
      }
      bitField0_ |= 0x00000008;
      onChanged();
      return this;
    }

    /**
     *
     *
     * <pre>
     * The time at which the message was published, populated by the server when
     * it receives the `Publish` call. It must not be populated by the
     * publisher in a `Publish` call.
     * </pre>
     *
     * <code>.google.protobuf.Timestamp publish_time = 4;</code>
     */
    public Builder mergePublishTime(com.google.protobuf.Timestamp value) {
      if (publishTimeBuilder_ == null) {
        if (((bitField0_ & 0x00000008) != 0)
            && publishTime_ != null
            && publishTime_ != com.google.protobuf.Timestamp.getDefaultInstance()) {
          getPublishTimeBuilder().mergeFrom(value);
        } else {
          publishTime_ = value;
        }
      } else {
        publishTimeBuilder_.mergeFrom(value);
      }
      if (publishTime_ != null) {
        bitField0_ |= 0x00000008;
        onChanged();
      }
      return this;
    }

    /**
     *
     *
     * <pre>
     * The time at which the message was published, populated by the server when
     * it receives the `Publish` call. It must not be populated by the
     * publisher in a `Publish` call.
     * </pre>
     *
     * <code>.google.protobuf.Timestamp publish_time = 4;</code>
     */
    public Builder clearPublishTime() {
      bitField0_ = (bitField0_ & ~0x00000008);
      publishTime_ = null;
      if (publishTimeBuilder_ != null) {
        publishTimeBuilder_.dispose();
        publishTimeBuilder_ = null;
      }
      onChanged();
      return this;
    }

    /**
     *
     *
     * <pre>
     * The time at which the message was published, populated by the server when
     * it receives the `Publish` call. It must not be populated by the
     * publisher in a `Publish` call.
     * </pre>
     *
     * <code>.google.protobuf.Timestamp publish_time = 4;</code>
     */
    public com.google.protobuf.Timestamp.Builder getPublishTimeBuilder() {
      bitField0_ |= 0x00000008;
      onChanged();
      return internalGetPublishTimeFieldBuilder().getBuilder();
    }

    /**
     *
     *
     * <pre>
     * The time at which the message was published, populated by the server when
     * it receives the `Publish` call. It must not be populated by the
     * publisher in a `Publish` call.
     * </pre>
     *
     * <code>.google.protobuf.Timestamp publish_time = 4;</code>
     */
    public com.google.protobuf.TimestampOrBuilder getPublishTimeOrBuilder() {
      if (publishTimeBuilder_ != null) {
        return publishTimeBuilder_.getMessageOrBuilder();
      } else {
        return publishTime_ == null
            ? com.google.protobuf.Timestamp.getDefaultInstance()
            : publishTime_;
      }
    }

    /**
     *
     *
     * <pre>
     * The time at which the message was published, populated by the server when
     * it receives the `Publish` call. It must not be populated by the
     * publisher in a `Publish` call.
     * </pre>
     *
     * <code>.google.protobuf.Timestamp publish_time = 4;</code>
     */
    private com.google.protobuf.SingleFieldBuilder<
            com.google.protobuf.Timestamp,
            com.google.protobuf.Timestamp.Builder,
            com.google.protobuf.TimestampOrBuilder>
        internalGetPublishTimeFieldBuilder() {
      if (publishTimeBuilder_ == null) {
        publishTimeBuilder_ =
            new com.google.protobuf.SingleFieldBuilder<
                com.google.protobuf.Timestamp,
                com.google.protobuf.Timestamp.Builder,
                com.google.protobuf.TimestampOrBuilder>(
                getPublishTime(), getParentForChildren(), isClean());
        publishTime_ = null;
      }
      return publishTimeBuilder_;
    }

    private java.lang.Object orderingKey_ = "";

    /**
     *
     *
     * <pre>
     * Optional. If non-empty, identifies related messages for which publish order
     * should be respected. If a `Subscription` has `enable_message_ordering` set
     * to `true`, messages published with the same non-empty `ordering_key` value
     * will be delivered to subscribers in the order in which they are received by
     * the Pub/Sub system. All `PubsubMessage`s published in a given
     * `PublishRequest` must specify the same `ordering_key` value. For more
     * information, see [ordering
     * messages](https://cloud.google.com/pubsub/docs/ordering).
     * </pre>
     *
     * <code>string ordering_key = 5 [(.google.api.field_behavior) = OPTIONAL];</code>
     *
     * @return The orderingKey.
     */
    public java.lang.String getOrderingKey() {
      java.lang.Object ref = orderingKey_;
      if (!(ref instanceof java.lang.String)) {
        com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
        java.lang.String s = bs.toStringUtf8();
        orderingKey_ = s;
        return s;
      } else {
        return (java.lang.String) ref;
      }
    }

    /**
     *
     *
     * <pre>
     * Optional. If non-empty, identifies related messages for which publish order
     * should be respected. If a `Subscription` has `enable_message_ordering` set
     * to `true`, messages published with the same non-empty `ordering_key` value
     * will be delivered to subscribers in the order in which they are received by
     * the Pub/Sub system. All `PubsubMessage`s published in a given
     * `PublishRequest` must specify the same `ordering_key` value. For more
     * information, see [ordering
     * messages](https://cloud.google.com/pubsub/docs/ordering).
     * </pre>
     *
     * <code>string ordering_key = 5 [(.google.api.field_behavior) = OPTIONAL];</code>
     *
     * @return The bytes for orderingKey.
     */
    public com.google.protobuf.ByteString getOrderingKeyBytes() {
      java.lang.Object ref = orderingKey_;
      if (ref instanceof String) {
        com.google.protobuf.ByteString b =
            com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
        orderingKey_ = b;
        return b;
      } else {
        return (com.google.protobuf.ByteString) ref;
      }
    }

    /**
     *
     *
     * <pre>
     * Optional. If non-empty, identifies related messages for which publish order
     * should be respected. If a `Subscription` has `enable_message_ordering` set
     * to `true`, messages published with the same non-empty `ordering_key` value
     * will be delivered to subscribers in the order in which they are received by
     * the Pub/Sub system. All `PubsubMessage`s published in a given
     * `PublishRequest` must specify the same `ordering_key` value. For more
     * information, see [ordering
     * messages](https://cloud.google.com/pubsub/docs/ordering).
     * </pre>
     *
     * <code>string ordering_key = 5 [(.google.api.field_behavior) = OPTIONAL];</code>
     *
     * @param value The orderingKey to set.
     * @return This builder for chaining.
     */
    public Builder setOrderingKey(java.lang.String value) {
      if (value == null) {
        throw new NullPointerException();
      }
      orderingKey_ = value;
      bitField0_ |= 0x00000010;
      onChanged();
      return this;
    }

    /**
     *
     *
     * <pre>
     * Optional. If non-empty, identifies related messages for which publish order
     * should be respected. If a `Subscription` has `enable_message_ordering` set
     * to `true`, messages published with the same non-empty `ordering_key` value
     * will be delivered to subscribers in the order in which they are received by
     * the Pub/Sub system. All `PubsubMessage`s published in a given
     * `PublishRequest` must specify the same `ordering_key` value. For more
     * information, see [ordering
     * messages](https://cloud.google.com/pubsub/docs/ordering).
     * </pre>
     *
     * <code>string ordering_key = 5 [(.google.api.field_behavior) = OPTIONAL];</code>
     *
     * @return This builder for chaining.
     */
    public Builder clearOrderingKey() {
      orderingKey_ = getDefaultInstance().getOrderingKey();
      bitField0_ = (bitField0_ & ~0x00000010);
      onChanged();
      return this;
    }

    /**
     *
     *
     * <pre>
     * Optional. If non-empty, identifies related messages for which publish order
     * should be respected. If a `Subscription` has `enable_message_ordering` set
     * to `true`, messages published with the same non-empty `ordering_key` value
     * will be delivered to subscribers in the order in which they are received by
     * the Pub/Sub system. All `PubsubMessage`s published in a given
     * `PublishRequest` must specify the same `ordering_key` value. For more
     * information, see [ordering
     * messages](https://cloud.google.com/pubsub/docs/ordering).
     * </pre>
     *
     * <code>string ordering_key = 5 [(.google.api.field_behavior) = OPTIONAL];</code>
     *
     * @param value The bytes for orderingKey to set.
     * @return This builder for chaining.
     */
    public Builder setOrderingKeyBytes(com.google.protobuf.ByteString value) {
      if (value == null) {
        throw new NullPointerException();
      }
      checkByteStringIsUtf8(value);
      orderingKey_ = value;
      bitField0_ |= 0x00000010;
      onChanged();
      return this;
    }

    // @@protoc_insertion_point(builder_scope:google.pubsub.v1.PubsubMessage)
  }

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

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

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

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

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

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