// Generated by the protocol buffer compiler.  DO NOT EDIT!
// source: google/cloud/tasks/v2beta2/cloudtasks.proto

package com.google.cloud.tasks.v2beta2;

/**
 * <pre>
 * Request message for leasing tasks using [LeaseTasks][google.cloud.tasks.v2beta2.CloudTasks.LeaseTasks].
 * </pre>
 *
 * Protobuf type {@code google.cloud.tasks.v2beta2.LeaseTasksRequest}
 */
public  final class LeaseTasksRequest extends
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  /**
   * <pre>
   * Required.
   * The queue name. For example:
   * `projects/PROJECT_ID/locations/LOCATION_ID/queues/QUEUE_ID`
   * </pre>
   *
   * <code>string parent = 1;</code>
   */
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  /**
   * <pre>
   * Required.
   * The queue name. For example:
   * `projects/PROJECT_ID/locations/LOCATION_ID/queues/QUEUE_ID`
   * </pre>
   *
   * <code>string parent = 1;</code>
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  public static final int MAX_TASKS_FIELD_NUMBER = 2;
  private int maxTasks_;
  /**
   * <pre>
   * The maximum number of tasks to lease.
   * The system will make a best effort to return as close to as
   * `max_tasks` as possible.
   * The largest that `max_tasks` can be is 1000.
   * </pre>
   *
   * <code>int32 max_tasks = 2;</code>
   */
  public int getMaxTasks() {
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  }

  public static final int LEASE_DURATION_FIELD_NUMBER = 3;
  private com.google.protobuf.Duration leaseDuration_;
  /**
   * <pre>
   * After the worker has successfully finished the work associated
   * with the task, the worker must call via
   * [AcknowledgeTask][google.cloud.tasks.v2beta2.CloudTasks.AcknowledgeTask] before the
   * [schedule_time][google.cloud.tasks.v2beta2.Task.schedule_time]. Otherwise the task will be
   * returned to a later [LeaseTasks][google.cloud.tasks.v2beta2.CloudTasks.LeaseTasks] call so
   * that another worker can retry it.
   * The maximum lease duration is 1 week.
   * `lease_duration` will be truncated to the nearest second.
   * </pre>
   *
   * <code>.google.protobuf.Duration lease_duration = 3;</code>
   */
  public boolean hasLeaseDuration() {
    return leaseDuration_ != null;
  }
  /**
   * <pre>
   * After the worker has successfully finished the work associated
   * with the task, the worker must call via
   * [AcknowledgeTask][google.cloud.tasks.v2beta2.CloudTasks.AcknowledgeTask] before the
   * [schedule_time][google.cloud.tasks.v2beta2.Task.schedule_time]. Otherwise the task will be
   * returned to a later [LeaseTasks][google.cloud.tasks.v2beta2.CloudTasks.LeaseTasks] call so
   * that another worker can retry it.
   * The maximum lease duration is 1 week.
   * `lease_duration` will be truncated to the nearest second.
   * </pre>
   *
   * <code>.google.protobuf.Duration lease_duration = 3;</code>
   */
  public com.google.protobuf.Duration getLeaseDuration() {
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  }
  /**
   * <pre>
   * After the worker has successfully finished the work associated
   * with the task, the worker must call via
   * [AcknowledgeTask][google.cloud.tasks.v2beta2.CloudTasks.AcknowledgeTask] before the
   * [schedule_time][google.cloud.tasks.v2beta2.Task.schedule_time]. Otherwise the task will be
   * returned to a later [LeaseTasks][google.cloud.tasks.v2beta2.CloudTasks.LeaseTasks] call so
   * that another worker can retry it.
   * The maximum lease duration is 1 week.
   * `lease_duration` will be truncated to the nearest second.
   * </pre>
   *
   * <code>.google.protobuf.Duration lease_duration = 3;</code>
   */
  public com.google.protobuf.DurationOrBuilder getLeaseDurationOrBuilder() {
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  public static final int RESPONSE_VIEW_FIELD_NUMBER = 4;
  private int responseView_;
  /**
   * <pre>
   * The response_view specifies which subset of the [Task][google.cloud.tasks.v2beta2.Task] will be
   * returned.
   * By default response_view is [BASIC][google.cloud.tasks.v2beta2.Task.View.BASIC]; not all
   * information is retrieved by default because some data, such as
   * payloads, might be desirable to return only when needed because
   * of its large size or because of the sensitivity of data that it
   * contains.
   * Authorization for [FULL][google.cloud.tasks.v2beta2.Task.View.FULL] requires
   * `cloudtasks.tasks.fullView` [Google IAM](https://cloud.google.com/iam/)
   * permission on the [Task][google.cloud.tasks.v2beta2.Task] resource.
   * </pre>
   *
   * <code>.google.cloud.tasks.v2beta2.Task.View response_view = 4;</code>
   */
  public int getResponseViewValue() {
    return responseView_;
  }
  /**
   * <pre>
   * The response_view specifies which subset of the [Task][google.cloud.tasks.v2beta2.Task] will be
   * returned.
   * By default response_view is [BASIC][google.cloud.tasks.v2beta2.Task.View.BASIC]; not all
   * information is retrieved by default because some data, such as
   * payloads, might be desirable to return only when needed because
   * of its large size or because of the sensitivity of data that it
   * contains.
   * Authorization for [FULL][google.cloud.tasks.v2beta2.Task.View.FULL] requires
   * `cloudtasks.tasks.fullView` [Google IAM](https://cloud.google.com/iam/)
   * permission on the [Task][google.cloud.tasks.v2beta2.Task] resource.
   * </pre>
   *
   * <code>.google.cloud.tasks.v2beta2.Task.View response_view = 4;</code>
   */
  public com.google.cloud.tasks.v2beta2.Task.View getResponseView() {
    @SuppressWarnings("deprecation")
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  public static final int FILTER_FIELD_NUMBER = 5;
  private volatile java.lang.Object filter_;
  /**
   * <pre>
   * `filter` can be used to specify a subset of tasks to lease.
   * When `filter` is set to `tag=&lt;my-tag&gt;` then the
   * [response][google.cloud.tasks.v2beta2.LeaseTasksResponse] will contain only tasks whose
   * [tag][google.cloud.tasks.v2beta2.PullMessage.tag] is equal to `&lt;my-tag&gt;`. `&lt;my-tag&gt;` must be
   * less than 500 characters.
   * When `filter` is set to `tag_function=oldest_tag()`, only tasks which have
   * the same tag as the task with the oldest
   * [schedule_time][google.cloud.tasks.v2beta2.Task.schedule_time] will be returned.
   * Grammar Syntax:
   * * `filter = "tag=" tag | "tag_function=" function`
   * * `tag = string`
   * * `function = "oldest_tag()"`
   * The `oldest_tag()` function returns tasks which have the same tag as the
   * oldest task (ordered by schedule time).
   * SDK compatibility: Although the SDK allows tags to be either
   * string or
   * [bytes](https://cloud.google.com/appengine/docs/standard/java/javadoc/com/google/appengine/api/taskqueue/TaskOptions.html#tag-byte:A-),
   * only UTF-8 encoded tags can be used in Cloud Tasks. Tag which
   * aren't UTF-8 encoded can't be used in the
   * [filter][google.cloud.tasks.v2beta2.LeaseTasksRequest.filter] and the task's
   * [tag][google.cloud.tasks.v2beta2.PullMessage.tag] will be displayed as empty in Cloud Tasks.
   * </pre>
   *
   * <code>string filter = 5;</code>
   */
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      java.lang.String s = bs.toStringUtf8();
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      return s;
    }
  }
  /**
   * <pre>
   * `filter` can be used to specify a subset of tasks to lease.
   * When `filter` is set to `tag=&lt;my-tag&gt;` then the
   * [response][google.cloud.tasks.v2beta2.LeaseTasksResponse] will contain only tasks whose
   * [tag][google.cloud.tasks.v2beta2.PullMessage.tag] is equal to `&lt;my-tag&gt;`. `&lt;my-tag&gt;` must be
   * less than 500 characters.
   * When `filter` is set to `tag_function=oldest_tag()`, only tasks which have
   * the same tag as the task with the oldest
   * [schedule_time][google.cloud.tasks.v2beta2.Task.schedule_time] will be returned.
   * Grammar Syntax:
   * * `filter = "tag=" tag | "tag_function=" function`
   * * `tag = string`
   * * `function = "oldest_tag()"`
   * The `oldest_tag()` function returns tasks which have the same tag as the
   * oldest task (ordered by schedule time).
   * SDK compatibility: Although the SDK allows tags to be either
   * string or
   * [bytes](https://cloud.google.com/appengine/docs/standard/java/javadoc/com/google/appengine/api/taskqueue/TaskOptions.html#tag-byte:A-),
   * only UTF-8 encoded tags can be used in Cloud Tasks. Tag which
   * aren't UTF-8 encoded can't be used in the
   * [filter][google.cloud.tasks.v2beta2.LeaseTasksRequest.filter] and the task's
   * [tag][google.cloud.tasks.v2beta2.PullMessage.tag] will be displayed as empty in Cloud Tasks.
   * </pre>
   *
   * <code>string filter = 5;</code>
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  /**
   * <pre>
   * Request message for leasing tasks using [LeaseTasks][google.cloud.tasks.v2beta2.CloudTasks.LeaseTasks].
   * </pre>
   *
   * Protobuf type {@code google.cloud.tasks.v2beta2.LeaseTasksRequest}
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    public Builder clearField(
        com.google.protobuf.Descriptors.FieldDescriptor field) {
      return (Builder) super.clearField(field);
    }
    @java.lang.Override
    public Builder clearOneof(
        com.google.protobuf.Descriptors.OneofDescriptor oneof) {
      return (Builder) super.clearOneof(oneof);
    }
    @java.lang.Override
    public Builder setRepeatedField(
        com.google.protobuf.Descriptors.FieldDescriptor field,
        int index, java.lang.Object value) {
      return (Builder) super.setRepeatedField(field, index, value);
    }
    @java.lang.Override
    public Builder addRepeatedField(
        com.google.protobuf.Descriptors.FieldDescriptor field,
        java.lang.Object value) {
      return (Builder) super.addRepeatedField(field, value);
    }
    @java.lang.Override
    public Builder mergeFrom(com.google.protobuf.Message other) {
      if (other instanceof com.google.cloud.tasks.v2beta2.LeaseTasksRequest) {
        return mergeFrom((com.google.cloud.tasks.v2beta2.LeaseTasksRequest)other);
      } else {
        super.mergeFrom(other);
        return this;
      }
    }

    public Builder mergeFrom(com.google.cloud.tasks.v2beta2.LeaseTasksRequest other) {
      if (other == com.google.cloud.tasks.v2beta2.LeaseTasksRequest.getDefaultInstance()) return this;
      if (!other.getParent().isEmpty()) {
        parent_ = other.parent_;
        onChanged();
      }
      if (other.getMaxTasks() != 0) {
        setMaxTasks(other.getMaxTasks());
      }
      if (other.hasLeaseDuration()) {
        mergeLeaseDuration(other.getLeaseDuration());
      }
      if (other.responseView_ != 0) {
        setResponseViewValue(other.getResponseViewValue());
      }
      if (!other.getFilter().isEmpty()) {
        filter_ = other.filter_;
        onChanged();
      }
      this.mergeUnknownFields(other.unknownFields);
      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 {
      com.google.cloud.tasks.v2beta2.LeaseTasksRequest parsedMessage = null;
      try {
        parsedMessage = PARSER.parsePartialFrom(input, extensionRegistry);
      } catch (com.google.protobuf.InvalidProtocolBufferException e) {
        parsedMessage = (com.google.cloud.tasks.v2beta2.LeaseTasksRequest) e.getUnfinishedMessage();
        throw e.unwrapIOException();
      } finally {
        if (parsedMessage != null) {
          mergeFrom(parsedMessage);
        }
      }
      return this;
    }

    private java.lang.Object parent_ = "";
    /**
     * <pre>
     * Required.
     * The queue name. For example:
     * `projects/PROJECT_ID/locations/LOCATION_ID/queues/QUEUE_ID`
     * </pre>
     *
     * <code>string parent = 1;</code>
     */
    public java.lang.String getParent() {
      java.lang.Object ref = parent_;
      if (!(ref instanceof java.lang.String)) {
        com.google.protobuf.ByteString bs =
            (com.google.protobuf.ByteString) ref;
        java.lang.String s = bs.toStringUtf8();
        parent_ = s;
        return s;
      } else {
        return (java.lang.String) ref;
      }
    }
    /**
     * <pre>
     * Required.
     * The queue name. For example:
     * `projects/PROJECT_ID/locations/LOCATION_ID/queues/QUEUE_ID`
     * </pre>
     *
     * <code>string parent = 1;</code>
     */
    public com.google.protobuf.ByteString
        getParentBytes() {
      java.lang.Object ref = parent_;
      if (ref instanceof String) {
        com.google.protobuf.ByteString b = 
            com.google.protobuf.ByteString.copyFromUtf8(
                (java.lang.String) ref);
        parent_ = b;
        return b;
      } else {
        return (com.google.protobuf.ByteString) ref;
      }
    }
    /**
     * <pre>
     * Required.
     * The queue name. For example:
     * `projects/PROJECT_ID/locations/LOCATION_ID/queues/QUEUE_ID`
     * </pre>
     *
     * <code>string parent = 1;</code>
     */
    public Builder setParent(
        java.lang.String value) {
      if (value == null) {
    throw new NullPointerException();
  }
  
      parent_ = value;
      onChanged();
      return this;
    }
    /**
     * <pre>
     * Required.
     * The queue name. For example:
     * `projects/PROJECT_ID/locations/LOCATION_ID/queues/QUEUE_ID`
     * </pre>
     *
     * <code>string parent = 1;</code>
     */
    public Builder clearParent() {
      
      parent_ = getDefaultInstance().getParent();
      onChanged();
      return this;
    }
    /**
     * <pre>
     * Required.
     * The queue name. For example:
     * `projects/PROJECT_ID/locations/LOCATION_ID/queues/QUEUE_ID`
     * </pre>
     *
     * <code>string parent = 1;</code>
     */
    public Builder setParentBytes(
        com.google.protobuf.ByteString value) {
      if (value == null) {
    throw new NullPointerException();
  }
  checkByteStringIsUtf8(value);
      
      parent_ = value;
      onChanged();
      return this;
    }

    private int maxTasks_ ;
    /**
     * <pre>
     * The maximum number of tasks to lease.
     * The system will make a best effort to return as close to as
     * `max_tasks` as possible.
     * The largest that `max_tasks` can be is 1000.
     * </pre>
     *
     * <code>int32 max_tasks = 2;</code>
     */
    public int getMaxTasks() {
      return maxTasks_;
    }
    /**
     * <pre>
     * The maximum number of tasks to lease.
     * The system will make a best effort to return as close to as
     * `max_tasks` as possible.
     * The largest that `max_tasks` can be is 1000.
     * </pre>
     *
     * <code>int32 max_tasks = 2;</code>
     */
    public Builder setMaxTasks(int value) {
      
      maxTasks_ = value;
      onChanged();
      return this;
    }
    /**
     * <pre>
     * The maximum number of tasks to lease.
     * The system will make a best effort to return as close to as
     * `max_tasks` as possible.
     * The largest that `max_tasks` can be is 1000.
     * </pre>
     *
     * <code>int32 max_tasks = 2;</code>
     */
    public Builder clearMaxTasks() {
      
      maxTasks_ = 0;
      onChanged();
      return this;
    }

    private com.google.protobuf.Duration leaseDuration_ = null;
    private com.google.protobuf.SingleFieldBuilderV3<
        com.google.protobuf.Duration, com.google.protobuf.Duration.Builder, com.google.protobuf.DurationOrBuilder> leaseDurationBuilder_;
    /**
     * <pre>
     * After the worker has successfully finished the work associated
     * with the task, the worker must call via
     * [AcknowledgeTask][google.cloud.tasks.v2beta2.CloudTasks.AcknowledgeTask] before the
     * [schedule_time][google.cloud.tasks.v2beta2.Task.schedule_time]. Otherwise the task will be
     * returned to a later [LeaseTasks][google.cloud.tasks.v2beta2.CloudTasks.LeaseTasks] call so
     * that another worker can retry it.
     * The maximum lease duration is 1 week.
     * `lease_duration` will be truncated to the nearest second.
     * </pre>
     *
     * <code>.google.protobuf.Duration lease_duration = 3;</code>
     */
    public boolean hasLeaseDuration() {
      return leaseDurationBuilder_ != null || leaseDuration_ != null;
    }
    /**
     * <pre>
     * After the worker has successfully finished the work associated
     * with the task, the worker must call via
     * [AcknowledgeTask][google.cloud.tasks.v2beta2.CloudTasks.AcknowledgeTask] before the
     * [schedule_time][google.cloud.tasks.v2beta2.Task.schedule_time]. Otherwise the task will be
     * returned to a later [LeaseTasks][google.cloud.tasks.v2beta2.CloudTasks.LeaseTasks] call so
     * that another worker can retry it.
     * The maximum lease duration is 1 week.
     * `lease_duration` will be truncated to the nearest second.
     * </pre>
     *
     * <code>.google.protobuf.Duration lease_duration = 3;</code>
     */
    public com.google.protobuf.Duration getLeaseDuration() {
      if (leaseDurationBuilder_ == null) {
        return leaseDuration_ == null ? com.google.protobuf.Duration.getDefaultInstance() : leaseDuration_;
      } else {
        return leaseDurationBuilder_.getMessage();
      }
    }
    /**
     * <pre>
     * After the worker has successfully finished the work associated
     * with the task, the worker must call via
     * [AcknowledgeTask][google.cloud.tasks.v2beta2.CloudTasks.AcknowledgeTask] before the
     * [schedule_time][google.cloud.tasks.v2beta2.Task.schedule_time]. Otherwise the task will be
     * returned to a later [LeaseTasks][google.cloud.tasks.v2beta2.CloudTasks.LeaseTasks] call so
     * that another worker can retry it.
     * The maximum lease duration is 1 week.
     * `lease_duration` will be truncated to the nearest second.
     * </pre>
     *
     * <code>.google.protobuf.Duration lease_duration = 3;</code>
     */
    public Builder setLeaseDuration(com.google.protobuf.Duration value) {
      if (leaseDurationBuilder_ == null) {
        if (value == null) {
          throw new NullPointerException();
        }
        leaseDuration_ = value;
        onChanged();
      } else {
        leaseDurationBuilder_.setMessage(value);
      }

      return this;
    }
    /**
     * <pre>
     * After the worker has successfully finished the work associated
     * with the task, the worker must call via
     * [AcknowledgeTask][google.cloud.tasks.v2beta2.CloudTasks.AcknowledgeTask] before the
     * [schedule_time][google.cloud.tasks.v2beta2.Task.schedule_time]. Otherwise the task will be
     * returned to a later [LeaseTasks][google.cloud.tasks.v2beta2.CloudTasks.LeaseTasks] call so
     * that another worker can retry it.
     * The maximum lease duration is 1 week.
     * `lease_duration` will be truncated to the nearest second.
     * </pre>
     *
     * <code>.google.protobuf.Duration lease_duration = 3;</code>
     */
    public Builder setLeaseDuration(
        com.google.protobuf.Duration.Builder builderForValue) {
      if (leaseDurationBuilder_ == null) {
        leaseDuration_ = builderForValue.build();
        onChanged();
      } else {
        leaseDurationBuilder_.setMessage(builderForValue.build());
      }

      return this;
    }
    /**
     * <pre>
     * After the worker has successfully finished the work associated
     * with the task, the worker must call via
     * [AcknowledgeTask][google.cloud.tasks.v2beta2.CloudTasks.AcknowledgeTask] before the
     * [schedule_time][google.cloud.tasks.v2beta2.Task.schedule_time]. Otherwise the task will be
     * returned to a later [LeaseTasks][google.cloud.tasks.v2beta2.CloudTasks.LeaseTasks] call so
     * that another worker can retry it.
     * The maximum lease duration is 1 week.
     * `lease_duration` will be truncated to the nearest second.
     * </pre>
     *
     * <code>.google.protobuf.Duration lease_duration = 3;</code>
     */
    public Builder mergeLeaseDuration(com.google.protobuf.Duration value) {
      if (leaseDurationBuilder_ == null) {
        if (leaseDuration_ != null) {
          leaseDuration_ =
            com.google.protobuf.Duration.newBuilder(leaseDuration_).mergeFrom(value).buildPartial();
        } else {
          leaseDuration_ = value;
        }
        onChanged();
      } else {
        leaseDurationBuilder_.mergeFrom(value);
      }

      return this;
    }
    /**
     * <pre>
     * After the worker has successfully finished the work associated
     * with the task, the worker must call via
     * [AcknowledgeTask][google.cloud.tasks.v2beta2.CloudTasks.AcknowledgeTask] before the
     * [schedule_time][google.cloud.tasks.v2beta2.Task.schedule_time]. Otherwise the task will be
     * returned to a later [LeaseTasks][google.cloud.tasks.v2beta2.CloudTasks.LeaseTasks] call so
     * that another worker can retry it.
     * The maximum lease duration is 1 week.
     * `lease_duration` will be truncated to the nearest second.
     * </pre>
     *
     * <code>.google.protobuf.Duration lease_duration = 3;</code>
     */
    public Builder clearLeaseDuration() {
      if (leaseDurationBuilder_ == null) {
        leaseDuration_ = null;
        onChanged();
      } else {
        leaseDuration_ = null;
        leaseDurationBuilder_ = null;
      }

      return this;
    }
    /**
     * <pre>
     * After the worker has successfully finished the work associated
     * with the task, the worker must call via
     * [AcknowledgeTask][google.cloud.tasks.v2beta2.CloudTasks.AcknowledgeTask] before the
     * [schedule_time][google.cloud.tasks.v2beta2.Task.schedule_time]. Otherwise the task will be
     * returned to a later [LeaseTasks][google.cloud.tasks.v2beta2.CloudTasks.LeaseTasks] call so
     * that another worker can retry it.
     * The maximum lease duration is 1 week.
     * `lease_duration` will be truncated to the nearest second.
     * </pre>
     *
     * <code>.google.protobuf.Duration lease_duration = 3;</code>
     */
    public com.google.protobuf.Duration.Builder getLeaseDurationBuilder() {
      
      onChanged();
      return getLeaseDurationFieldBuilder().getBuilder();
    }
    /**
     * <pre>
     * After the worker has successfully finished the work associated
     * with the task, the worker must call via
     * [AcknowledgeTask][google.cloud.tasks.v2beta2.CloudTasks.AcknowledgeTask] before the
     * [schedule_time][google.cloud.tasks.v2beta2.Task.schedule_time]. Otherwise the task will be
     * returned to a later [LeaseTasks][google.cloud.tasks.v2beta2.CloudTasks.LeaseTasks] call so
     * that another worker can retry it.
     * The maximum lease duration is 1 week.
     * `lease_duration` will be truncated to the nearest second.
     * </pre>
     *
     * <code>.google.protobuf.Duration lease_duration = 3;</code>
     */
    public com.google.protobuf.DurationOrBuilder getLeaseDurationOrBuilder() {
      if (leaseDurationBuilder_ != null) {
        return leaseDurationBuilder_.getMessageOrBuilder();
      } else {
        return leaseDuration_ == null ?
            com.google.protobuf.Duration.getDefaultInstance() : leaseDuration_;
      }
    }
    /**
     * <pre>
     * After the worker has successfully finished the work associated
     * with the task, the worker must call via
     * [AcknowledgeTask][google.cloud.tasks.v2beta2.CloudTasks.AcknowledgeTask] before the
     * [schedule_time][google.cloud.tasks.v2beta2.Task.schedule_time]. Otherwise the task will be
     * returned to a later [LeaseTasks][google.cloud.tasks.v2beta2.CloudTasks.LeaseTasks] call so
     * that another worker can retry it.
     * The maximum lease duration is 1 week.
     * `lease_duration` will be truncated to the nearest second.
     * </pre>
     *
     * <code>.google.protobuf.Duration lease_duration = 3;</code>
     */
    private com.google.protobuf.SingleFieldBuilderV3<
        com.google.protobuf.Duration, com.google.protobuf.Duration.Builder, com.google.protobuf.DurationOrBuilder> 
        getLeaseDurationFieldBuilder() {
      if (leaseDurationBuilder_ == null) {
        leaseDurationBuilder_ = new com.google.protobuf.SingleFieldBuilderV3<
            com.google.protobuf.Duration, com.google.protobuf.Duration.Builder, com.google.protobuf.DurationOrBuilder>(
                getLeaseDuration(),
                getParentForChildren(),
                isClean());
        leaseDuration_ = null;
      }
      return leaseDurationBuilder_;
    }

    private int responseView_ = 0;
    /**
     * <pre>
     * The response_view specifies which subset of the [Task][google.cloud.tasks.v2beta2.Task] will be
     * returned.
     * By default response_view is [BASIC][google.cloud.tasks.v2beta2.Task.View.BASIC]; not all
     * information is retrieved by default because some data, such as
     * payloads, might be desirable to return only when needed because
     * of its large size or because of the sensitivity of data that it
     * contains.
     * Authorization for [FULL][google.cloud.tasks.v2beta2.Task.View.FULL] requires
     * `cloudtasks.tasks.fullView` [Google IAM](https://cloud.google.com/iam/)
     * permission on the [Task][google.cloud.tasks.v2beta2.Task] resource.
     * </pre>
     *
     * <code>.google.cloud.tasks.v2beta2.Task.View response_view = 4;</code>
     */
    public int getResponseViewValue() {
      return responseView_;
    }
    /**
     * <pre>
     * The response_view specifies which subset of the [Task][google.cloud.tasks.v2beta2.Task] will be
     * returned.
     * By default response_view is [BASIC][google.cloud.tasks.v2beta2.Task.View.BASIC]; not all
     * information is retrieved by default because some data, such as
     * payloads, might be desirable to return only when needed because
     * of its large size or because of the sensitivity of data that it
     * contains.
     * Authorization for [FULL][google.cloud.tasks.v2beta2.Task.View.FULL] requires
     * `cloudtasks.tasks.fullView` [Google IAM](https://cloud.google.com/iam/)
     * permission on the [Task][google.cloud.tasks.v2beta2.Task] resource.
     * </pre>
     *
     * <code>.google.cloud.tasks.v2beta2.Task.View response_view = 4;</code>
     */
    public Builder setResponseViewValue(int value) {
      responseView_ = value;
      onChanged();
      return this;
    }
    /**
     * <pre>
     * The response_view specifies which subset of the [Task][google.cloud.tasks.v2beta2.Task] will be
     * returned.
     * By default response_view is [BASIC][google.cloud.tasks.v2beta2.Task.View.BASIC]; not all
     * information is retrieved by default because some data, such as
     * payloads, might be desirable to return only when needed because
     * of its large size or because of the sensitivity of data that it
     * contains.
     * Authorization for [FULL][google.cloud.tasks.v2beta2.Task.View.FULL] requires
     * `cloudtasks.tasks.fullView` [Google IAM](https://cloud.google.com/iam/)
     * permission on the [Task][google.cloud.tasks.v2beta2.Task] resource.
     * </pre>
     *
     * <code>.google.cloud.tasks.v2beta2.Task.View response_view = 4;</code>
     */
    public com.google.cloud.tasks.v2beta2.Task.View getResponseView() {
      @SuppressWarnings("deprecation")
      com.google.cloud.tasks.v2beta2.Task.View result = com.google.cloud.tasks.v2beta2.Task.View.valueOf(responseView_);
      return result == null ? com.google.cloud.tasks.v2beta2.Task.View.UNRECOGNIZED : result;
    }
    /**
     * <pre>
     * The response_view specifies which subset of the [Task][google.cloud.tasks.v2beta2.Task] will be
     * returned.
     * By default response_view is [BASIC][google.cloud.tasks.v2beta2.Task.View.BASIC]; not all
     * information is retrieved by default because some data, such as
     * payloads, might be desirable to return only when needed because
     * of its large size or because of the sensitivity of data that it
     * contains.
     * Authorization for [FULL][google.cloud.tasks.v2beta2.Task.View.FULL] requires
     * `cloudtasks.tasks.fullView` [Google IAM](https://cloud.google.com/iam/)
     * permission on the [Task][google.cloud.tasks.v2beta2.Task] resource.
     * </pre>
     *
     * <code>.google.cloud.tasks.v2beta2.Task.View response_view = 4;</code>
     */
    public Builder setResponseView(com.google.cloud.tasks.v2beta2.Task.View value) {
      if (value == null) {
        throw new NullPointerException();
      }
      
      responseView_ = value.getNumber();
      onChanged();
      return this;
    }
    /**
     * <pre>
     * The response_view specifies which subset of the [Task][google.cloud.tasks.v2beta2.Task] will be
     * returned.
     * By default response_view is [BASIC][google.cloud.tasks.v2beta2.Task.View.BASIC]; not all
     * information is retrieved by default because some data, such as
     * payloads, might be desirable to return only when needed because
     * of its large size or because of the sensitivity of data that it
     * contains.
     * Authorization for [FULL][google.cloud.tasks.v2beta2.Task.View.FULL] requires
     * `cloudtasks.tasks.fullView` [Google IAM](https://cloud.google.com/iam/)
     * permission on the [Task][google.cloud.tasks.v2beta2.Task] resource.
     * </pre>
     *
     * <code>.google.cloud.tasks.v2beta2.Task.View response_view = 4;</code>
     */
    public Builder clearResponseView() {
      
      responseView_ = 0;
      onChanged();
      return this;
    }

    private java.lang.Object filter_ = "";
    /**
     * <pre>
     * `filter` can be used to specify a subset of tasks to lease.
     * When `filter` is set to `tag=&lt;my-tag&gt;` then the
     * [response][google.cloud.tasks.v2beta2.LeaseTasksResponse] will contain only tasks whose
     * [tag][google.cloud.tasks.v2beta2.PullMessage.tag] is equal to `&lt;my-tag&gt;`. `&lt;my-tag&gt;` must be
     * less than 500 characters.
     * When `filter` is set to `tag_function=oldest_tag()`, only tasks which have
     * the same tag as the task with the oldest
     * [schedule_time][google.cloud.tasks.v2beta2.Task.schedule_time] will be returned.
     * Grammar Syntax:
     * * `filter = "tag=" tag | "tag_function=" function`
     * * `tag = string`
     * * `function = "oldest_tag()"`
     * The `oldest_tag()` function returns tasks which have the same tag as the
     * oldest task (ordered by schedule time).
     * SDK compatibility: Although the SDK allows tags to be either
     * string or
     * [bytes](https://cloud.google.com/appengine/docs/standard/java/javadoc/com/google/appengine/api/taskqueue/TaskOptions.html#tag-byte:A-),
     * only UTF-8 encoded tags can be used in Cloud Tasks. Tag which
     * aren't UTF-8 encoded can't be used in the
     * [filter][google.cloud.tasks.v2beta2.LeaseTasksRequest.filter] and the task's
     * [tag][google.cloud.tasks.v2beta2.PullMessage.tag] will be displayed as empty in Cloud Tasks.
     * </pre>
     *
     * <code>string filter = 5;</code>
     */
    public java.lang.String getFilter() {
      java.lang.Object ref = filter_;
      if (!(ref instanceof java.lang.String)) {
        com.google.protobuf.ByteString bs =
            (com.google.protobuf.ByteString) ref;
        java.lang.String s = bs.toStringUtf8();
        filter_ = s;
        return s;
      } else {
        return (java.lang.String) ref;
      }
    }
    /**
     * <pre>
     * `filter` can be used to specify a subset of tasks to lease.
     * When `filter` is set to `tag=&lt;my-tag&gt;` then the
     * [response][google.cloud.tasks.v2beta2.LeaseTasksResponse] will contain only tasks whose
     * [tag][google.cloud.tasks.v2beta2.PullMessage.tag] is equal to `&lt;my-tag&gt;`. `&lt;my-tag&gt;` must be
     * less than 500 characters.
     * When `filter` is set to `tag_function=oldest_tag()`, only tasks which have
     * the same tag as the task with the oldest
     * [schedule_time][google.cloud.tasks.v2beta2.Task.schedule_time] will be returned.
     * Grammar Syntax:
     * * `filter = "tag=" tag | "tag_function=" function`
     * * `tag = string`
     * * `function = "oldest_tag()"`
     * The `oldest_tag()` function returns tasks which have the same tag as the
     * oldest task (ordered by schedule time).
     * SDK compatibility: Although the SDK allows tags to be either
     * string or
     * [bytes](https://cloud.google.com/appengine/docs/standard/java/javadoc/com/google/appengine/api/taskqueue/TaskOptions.html#tag-byte:A-),
     * only UTF-8 encoded tags can be used in Cloud Tasks. Tag which
     * aren't UTF-8 encoded can't be used in the
     * [filter][google.cloud.tasks.v2beta2.LeaseTasksRequest.filter] and the task's
     * [tag][google.cloud.tasks.v2beta2.PullMessage.tag] will be displayed as empty in Cloud Tasks.
     * </pre>
     *
     * <code>string filter = 5;</code>
     */
    public com.google.protobuf.ByteString
        getFilterBytes() {
      java.lang.Object ref = filter_;
      if (ref instanceof String) {
        com.google.protobuf.ByteString b = 
            com.google.protobuf.ByteString.copyFromUtf8(
                (java.lang.String) ref);
        filter_ = b;
        return b;
      } else {
        return (com.google.protobuf.ByteString) ref;
      }
    }
    /**
     * <pre>
     * `filter` can be used to specify a subset of tasks to lease.
     * When `filter` is set to `tag=&lt;my-tag&gt;` then the
     * [response][google.cloud.tasks.v2beta2.LeaseTasksResponse] will contain only tasks whose
     * [tag][google.cloud.tasks.v2beta2.PullMessage.tag] is equal to `&lt;my-tag&gt;`. `&lt;my-tag&gt;` must be
     * less than 500 characters.
     * When `filter` is set to `tag_function=oldest_tag()`, only tasks which have
     * the same tag as the task with the oldest
     * [schedule_time][google.cloud.tasks.v2beta2.Task.schedule_time] will be returned.
     * Grammar Syntax:
     * * `filter = "tag=" tag | "tag_function=" function`
     * * `tag = string`
     * * `function = "oldest_tag()"`
     * The `oldest_tag()` function returns tasks which have the same tag as the
     * oldest task (ordered by schedule time).
     * SDK compatibility: Although the SDK allows tags to be either
     * string or
     * [bytes](https://cloud.google.com/appengine/docs/standard/java/javadoc/com/google/appengine/api/taskqueue/TaskOptions.html#tag-byte:A-),
     * only UTF-8 encoded tags can be used in Cloud Tasks. Tag which
     * aren't UTF-8 encoded can't be used in the
     * [filter][google.cloud.tasks.v2beta2.LeaseTasksRequest.filter] and the task's
     * [tag][google.cloud.tasks.v2beta2.PullMessage.tag] will be displayed as empty in Cloud Tasks.
     * </pre>
     *
     * <code>string filter = 5;</code>
     */
    public Builder setFilter(
        java.lang.String value) {
      if (value == null) {
    throw new NullPointerException();
  }
  
      filter_ = value;
      onChanged();
      return this;
    }
    /**
     * <pre>
     * `filter` can be used to specify a subset of tasks to lease.
     * When `filter` is set to `tag=&lt;my-tag&gt;` then the
     * [response][google.cloud.tasks.v2beta2.LeaseTasksResponse] will contain only tasks whose
     * [tag][google.cloud.tasks.v2beta2.PullMessage.tag] is equal to `&lt;my-tag&gt;`. `&lt;my-tag&gt;` must be
     * less than 500 characters.
     * When `filter` is set to `tag_function=oldest_tag()`, only tasks which have
     * the same tag as the task with the oldest
     * [schedule_time][google.cloud.tasks.v2beta2.Task.schedule_time] will be returned.
     * Grammar Syntax:
     * * `filter = "tag=" tag | "tag_function=" function`
     * * `tag = string`
     * * `function = "oldest_tag()"`
     * The `oldest_tag()` function returns tasks which have the same tag as the
     * oldest task (ordered by schedule time).
     * SDK compatibility: Although the SDK allows tags to be either
     * string or
     * [bytes](https://cloud.google.com/appengine/docs/standard/java/javadoc/com/google/appengine/api/taskqueue/TaskOptions.html#tag-byte:A-),
     * only UTF-8 encoded tags can be used in Cloud Tasks. Tag which
     * aren't UTF-8 encoded can't be used in the
     * [filter][google.cloud.tasks.v2beta2.LeaseTasksRequest.filter] and the task's
     * [tag][google.cloud.tasks.v2beta2.PullMessage.tag] will be displayed as empty in Cloud Tasks.
     * </pre>
     *
     * <code>string filter = 5;</code>
     */
    public Builder clearFilter() {
      
      filter_ = getDefaultInstance().getFilter();
      onChanged();
      return this;
    }
    /**
     * <pre>
     * `filter` can be used to specify a subset of tasks to lease.
     * When `filter` is set to `tag=&lt;my-tag&gt;` then the
     * [response][google.cloud.tasks.v2beta2.LeaseTasksResponse] will contain only tasks whose
     * [tag][google.cloud.tasks.v2beta2.PullMessage.tag] is equal to `&lt;my-tag&gt;`. `&lt;my-tag&gt;` must be
     * less than 500 characters.
     * When `filter` is set to `tag_function=oldest_tag()`, only tasks which have
     * the same tag as the task with the oldest
     * [schedule_time][google.cloud.tasks.v2beta2.Task.schedule_time] will be returned.
     * Grammar Syntax:
     * * `filter = "tag=" tag | "tag_function=" function`
     * * `tag = string`
     * * `function = "oldest_tag()"`
     * The `oldest_tag()` function returns tasks which have the same tag as the
     * oldest task (ordered by schedule time).
     * SDK compatibility: Although the SDK allows tags to be either
     * string or
     * [bytes](https://cloud.google.com/appengine/docs/standard/java/javadoc/com/google/appengine/api/taskqueue/TaskOptions.html#tag-byte:A-),
     * only UTF-8 encoded tags can be used in Cloud Tasks. Tag which
     * aren't UTF-8 encoded can't be used in the
     * [filter][google.cloud.tasks.v2beta2.LeaseTasksRequest.filter] and the task's
     * [tag][google.cloud.tasks.v2beta2.PullMessage.tag] will be displayed as empty in Cloud Tasks.
     * </pre>
     *
     * <code>string filter = 5;</code>
     */
    public Builder setFilterBytes(
        com.google.protobuf.ByteString value) {
      if (value == null) {
    throw new NullPointerException();
  }
  checkByteStringIsUtf8(value);
      
      filter_ = value;
      onChanged();
      return this;
    }
    @java.lang.Override
    public final Builder setUnknownFields(
        final com.google.protobuf.UnknownFieldSet unknownFields) {
      return super.setUnknownFieldsProto3(unknownFields);
    }

    @java.lang.Override
    public final Builder mergeUnknownFields(
        final com.google.protobuf.UnknownFieldSet unknownFields) {
      return super.mergeUnknownFields(unknownFields);
    }


    // @@protoc_insertion_point(builder_scope:google.cloud.tasks.v2beta2.LeaseTasksRequest)
  }

  // @@protoc_insertion_point(class_scope:google.cloud.tasks.v2beta2.LeaseTasksRequest)
  private static final com.google.cloud.tasks.v2beta2.LeaseTasksRequest DEFAULT_INSTANCE;
  static {
    DEFAULT_INSTANCE = new com.google.cloud.tasks.v2beta2.LeaseTasksRequest();
  }

  public static com.google.cloud.tasks.v2beta2.LeaseTasksRequest getDefaultInstance() {
    return DEFAULT_INSTANCE;
  }

  private static final com.google.protobuf.Parser<LeaseTasksRequest>
      PARSER = new com.google.protobuf.AbstractParser<LeaseTasksRequest>() {
    @java.lang.Override
    public LeaseTasksRequest parsePartialFrom(
        com.google.protobuf.CodedInputStream input,
        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
        throws com.google.protobuf.InvalidProtocolBufferException {
      return new LeaseTasksRequest(input, extensionRegistry);
    }
  };

  public static com.google.protobuf.Parser<LeaseTasksRequest> parser() {
    return PARSER;
  }

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

  @java.lang.Override
  public com.google.cloud.tasks.v2beta2.LeaseTasksRequest getDefaultInstanceForType() {
    return DEFAULT_INSTANCE;
  }

}

