// 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
//
//     http://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.

syntax = "proto3";

package google.cloud.tasks.v2beta3;

import "google/api/annotations.proto";
import "google/api/client.proto";
import "google/api/field_behavior.proto";
import "google/api/field_info.proto";
import "google/api/resource.proto";
import "google/cloud/tasks/v2beta3/cmek_config.proto";
import "google/cloud/tasks/v2beta3/queue.proto";
import "google/cloud/tasks/v2beta3/task.proto";
import "google/iam/v1/iam_policy.proto";
import "google/iam/v1/policy.proto";
import "google/longrunning/operations.proto";
import "google/protobuf/empty.proto";
import "google/protobuf/field_mask.proto";
import "google/protobuf/timestamp.proto";
import "google/rpc/status.proto";

option go_package = "cloud.google.com/go/cloudtasks/apiv2beta3/cloudtaskspb;cloudtaskspb";
option java_multiple_files = true;
option java_outer_classname = "CloudTasksProto";
option java_package = "com.google.cloud.tasks.v2beta3";
option objc_class_prefix = "TASKS";

// Cloud Tasks allows developers to manage the execution of background
// work in their applications.
service CloudTasks {
  option (google.api.default_host) = "cloudtasks.googleapis.com";
  option (google.api.oauth_scopes) =
      "https://www.googleapis.com/auth/cloud-platform";

  // Lists queues.
  //
  // Queues are returned in lexicographical order.
  rpc ListQueues(ListQueuesRequest) returns (ListQueuesResponse) {
    option (google.api.http) = {
      get: "/v2beta3/{parent=projects/*/locations/*}/queues"
    };
    option (google.api.method_signature) = "parent";
  }

  // Gets a queue.
  rpc GetQueue(GetQueueRequest) returns (Queue) {
    option (google.api.http) = {
      get: "/v2beta3/{name=projects/*/locations/*/queues/*}"
    };
    option (google.api.method_signature) = "name";
  }

  // Creates a queue.
  //
  // Queues created with this method allow tasks to live for a maximum of 31
  // days. After a task is 31 days old, the task will be deleted regardless of
  // whether it was dispatched or not.
  //
  // WARNING: Using this method may have unintended side effects if you are
  // using an App Engine `queue.yaml` or `queue.xml` file to manage your queues.
  // Read
  // [Overview of Queue Management and
  // queue.yaml](https://cloud.google.com/tasks/docs/queue-yaml) before using
  // this method.
  rpc CreateQueue(CreateQueueRequest) returns (Queue) {
    option (google.api.http) = {
      post: "/v2beta3/{parent=projects/*/locations/*}/queues"
      body: "queue"
    };
    option (google.api.method_signature) = "parent,queue";
  }

  // Updates a queue.
  //
  // This method creates the queue if it does not exist and updates
  // the queue if it does exist.
  //
  // Queues created with this method allow tasks to live for a maximum of 31
  // days. After a task is 31 days old, the task will be deleted regardless of
  // whether it was dispatched or not.
  //
  // WARNING: Using this method may have unintended side effects if you are
  // using an App Engine `queue.yaml` or `queue.xml` file to manage your queues.
  // Read
  // [Overview of Queue Management and
  // queue.yaml](https://cloud.google.com/tasks/docs/queue-yaml) before using
  // this method.
  rpc UpdateQueue(UpdateQueueRequest) returns (Queue) {
    option (google.api.http) = {
      patch: "/v2beta3/{queue.name=projects/*/locations/*/queues/*}"
      body: "queue"
    };
    option (google.api.method_signature) = "queue,update_mask";
  }

  // Deletes a queue.
  //
  // This command will delete the queue even if it has tasks in it.
  //
  // Note : If you delete a queue, you may be prevented from creating a new
  // queue with the same name as the deleted queue for a tombstone window of up
  // to 3 days. During this window, the CreateQueue operation may appear to
  // recreate the queue, but this can be misleading. If you attempt to create
  // a queue with the same name as one that is in the tombstone window, run
  // GetQueue to confirm that the queue creation was successful. If GetQueue
  // returns 200 response code, your queue was successfully created with the
  // name of the previously deleted queue. Otherwise, your queue did not
  // successfully recreate.
  //
  // WARNING: Using this method may have unintended side effects if you are
  // using an App Engine `queue.yaml` or `queue.xml` file to manage your queues.
  // Read
  // [Overview of Queue Management and
  // queue.yaml](https://cloud.google.com/tasks/docs/queue-yaml) before using
  // this method.
  rpc DeleteQueue(DeleteQueueRequest) returns (google.protobuf.Empty) {
    option (google.api.http) = {
      delete: "/v2beta3/{name=projects/*/locations/*/queues/*}"
    };
    option (google.api.method_signature) = "name";
  }

  // Purges a queue by deleting all of its tasks.
  //
  // All tasks created before this method is called are permanently deleted.
  //
  // Purge operations can take up to one minute to take effect. Tasks
  // might be dispatched before the purge takes effect. A purge is irreversible.
  rpc PurgeQueue(PurgeQueueRequest) returns (Queue) {
    option (google.api.http) = {
      post: "/v2beta3/{name=projects/*/locations/*/queues/*}:purge"
      body: "*"
    };
    option (google.api.method_signature) = "name";
  }

  // Pauses the queue.
  //
  // If a queue is paused then the system will stop dispatching tasks
  // until the queue is resumed via
  // [ResumeQueue][google.cloud.tasks.v2beta3.CloudTasks.ResumeQueue]. Tasks can
  // still be added when the queue is paused. A queue is paused if its
  // [state][google.cloud.tasks.v2beta3.Queue.state] is
  // [PAUSED][google.cloud.tasks.v2beta3.Queue.State.PAUSED].
  rpc PauseQueue(PauseQueueRequest) returns (Queue) {
    option (google.api.http) = {
      post: "/v2beta3/{name=projects/*/locations/*/queues/*}:pause"
      body: "*"
    };
    option (google.api.method_signature) = "name";
  }

  // Resume a queue.
  //
  // This method resumes a queue after it has been
  // [PAUSED][google.cloud.tasks.v2beta3.Queue.State.PAUSED] or
  // [DISABLED][google.cloud.tasks.v2beta3.Queue.State.DISABLED]. The state of a
  // queue is stored in the queue's
  // [state][google.cloud.tasks.v2beta3.Queue.state]; after calling this method
  // it will be set to
  // [RUNNING][google.cloud.tasks.v2beta3.Queue.State.RUNNING].
  //
  // WARNING: Resuming many high-QPS queues at the same time can
  // lead to target overloading. If you are resuming high-QPS
  // queues, follow the 500/50/5 pattern described in
  // [Managing Cloud Tasks Scaling
  // Risks](https://cloud.google.com/tasks/docs/manage-cloud-task-scaling).
  rpc ResumeQueue(ResumeQueueRequest) returns (Queue) {
    option (google.api.http) = {
      post: "/v2beta3/{name=projects/*/locations/*/queues/*}:resume"
      body: "*"
    };
    option (google.api.method_signature) = "name";
  }

  // Gets the access control policy for a
  // [Queue][google.cloud.tasks.v2beta3.Queue]. Returns an empty policy if the
  // resource exists and does not have a policy set.
  //
  // Authorization requires the following
  // [Google IAM](https://cloud.google.com/iam) permission on the specified
  // resource parent:
  //
  // * `cloudtasks.queues.getIamPolicy`
  rpc GetIamPolicy(google.iam.v1.GetIamPolicyRequest)
      returns (google.iam.v1.Policy) {
    option (google.api.http) = {
      post: "/v2beta3/{resource=projects/*/locations/*/queues/*}:getIamPolicy"
      body: "*"
    };
    option (google.api.method_signature) = "resource";
  }

  // Sets the access control policy for a
  // [Queue][google.cloud.tasks.v2beta3.Queue]. Replaces any existing policy.
  //
  // Note: The Cloud Console does not check queue-level IAM permissions yet.
  // Project-level permissions are required to use the Cloud Console.
  //
  // Authorization requires the following
  // [Google IAM](https://cloud.google.com/iam) permission on the specified
  // resource parent:
  //
  // * `cloudtasks.queues.setIamPolicy`
  rpc SetIamPolicy(google.iam.v1.SetIamPolicyRequest)
      returns (google.iam.v1.Policy) {
    option (google.api.http) = {
      post: "/v2beta3/{resource=projects/*/locations/*/queues/*}:setIamPolicy"
      body: "*"
    };
    option (google.api.method_signature) = "resource,policy";
  }

  // Returns permissions that a caller has on a
  // [Queue][google.cloud.tasks.v2beta3.Queue]. If the resource does not exist,
  // this will return an empty set of permissions, not a
  // [NOT_FOUND][google.rpc.Code.NOT_FOUND] error.
  //
  // Note: This operation is designed to be used for building permission-aware
  // UIs and command-line tools, not for authorization checking. This operation
  // may "fail open" without warning.
  rpc TestIamPermissions(google.iam.v1.TestIamPermissionsRequest)
      returns (google.iam.v1.TestIamPermissionsResponse) {
    option (google.api.http) = {
      post: "/v2beta3/{resource=projects/*/locations/*/queues/*}:testIamPermissions"
      body: "*"
    };
    option (google.api.method_signature) = "resource,permissions";
  }

  // Lists the tasks in a queue.
  //
  // By default, only the [BASIC][google.cloud.tasks.v2beta3.Task.View.BASIC]
  // view is retrieved due to performance considerations;
  // [response_view][google.cloud.tasks.v2beta3.ListTasksRequest.response_view]
  // controls the subset of information which is returned.
  //
  // The tasks may be returned in any order. The ordering may change at any
  // time.
  rpc ListTasks(ListTasksRequest) returns (ListTasksResponse) {
    option (google.api.http) = {
      get: "/v2beta3/{parent=projects/*/locations/*/queues/*}/tasks"
    };
    option (google.api.method_signature) = "parent";
  }

  // Gets a task.
  //
  // After a task is successfully executed or has exhausted its retry attempts,
  // the task is deleted. A `GetTask` request for a deleted task returns a
  // `NOT_FOUND` error.
  rpc GetTask(GetTaskRequest) returns (Task) {
    option (google.api.http) = {
      get: "/v2beta3/{name=projects/*/locations/*/queues/*/tasks/*}"
    };
    option (google.api.method_signature) = "name";
  }

  // Creates a task and adds it to a queue.
  //
  // Tasks cannot be updated after creation; there is no UpdateTask command.
  //
  // * The maximum task size is 100KB.
  rpc CreateTask(CreateTaskRequest) returns (Task) {
    option (google.api.http) = {
      post: "/v2beta3/{parent=projects/*/locations/*/queues/*}/tasks"
      body: "*"
    };
    option (google.api.method_signature) = "parent,task";
  }

  // Creates a batch of tasks and adds them to a queue.
  // This call is not atomic.
  //
  // All tasks must be for the same queue.
  // A maximum of 100 tasks can be created in a single batch.
  rpc BatchCreateTasks(BatchCreateTasksRequest)
      returns (google.longrunning.Operation) {
    option (google.api.http) = {
      post: "/v2beta3/{parent=projects/*/locations/*/queues/*}/tasks:batchCreate"
      body: "*"
    };
    option (google.api.method_signature) = "parent,requests";
    option (google.longrunning.operation_info) = {
      response_type: "BatchCreateTasksResponse"
      metadata_type: "BatchCreateTasksMetadata"
    };
  }

  // Deletes a task.
  //
  // A task can be deleted if it is scheduled or dispatched. A task
  // cannot be deleted if it has executed successfully or permanently
  // failed.
  rpc DeleteTask(DeleteTaskRequest) returns (google.protobuf.Empty) {
    option (google.api.http) = {
      delete: "/v2beta3/{name=projects/*/locations/*/queues/*/tasks/*}"
    };
    option (google.api.method_signature) = "name";
  }

  // Deletes a batch of tasks.
  // This is a non-atomic operation: if deletion fails for some tasks, it
  // can still succeed for others. The metadata field of
  // google.longrunning.Operation contains details of failed deletions.
  // A maximum of 1000 tasks can be deleted in a batch.
  rpc BatchDeleteTasks(BatchDeleteTasksRequest)
      returns (google.longrunning.Operation) {
    option (google.api.http) = {
      post: "/v2beta3/{parent=projects/*/locations/*/queues/*}/tasks:batchDelete"
      body: "*"
    };
    option (google.api.method_signature) = "parent,names";
    option (google.longrunning.operation_info) = {
      response_type: "google.protobuf.Empty"
      metadata_type: "BatchDeleteTasksMetadata"
    };
  }

  // Forces a task to run now.
  //
  // When this method is called, Cloud Tasks will dispatch the task, even if
  // the task is already running, the queue has reached its
  // [RateLimits][google.cloud.tasks.v2beta3.RateLimits] or is
  // [PAUSED][google.cloud.tasks.v2beta3.Queue.State.PAUSED].
  //
  // This command is meant to be used for manual debugging. For
  // example, [RunTask][google.cloud.tasks.v2beta3.CloudTasks.RunTask] can be
  // used to retry a failed task after a fix has been made or to manually force
  // a task to be dispatched now.
  //
  // The dispatched task is returned. That is, the task that is returned
  // contains the [status][google.cloud.tasks.v2beta3.Task.first_attempt] after
  // the task is dispatched but before the task is received by its target.
  //
  // If Cloud Tasks receives a successful response from the task's
  // target, then the task will be deleted; otherwise the task's
  // [schedule_time][google.cloud.tasks.v2beta3.Task.schedule_time] will be
  // reset to the time that
  // [RunTask][google.cloud.tasks.v2beta3.CloudTasks.RunTask] was called plus
  // the retry delay specified in the queue's
  // [RetryConfig][google.cloud.tasks.v2beta3.RetryConfig].
  //
  // [RunTask][google.cloud.tasks.v2beta3.CloudTasks.RunTask] returns
  // [NOT_FOUND][google.rpc.Code.NOT_FOUND] when it is called on a
  // task that has already succeeded or permanently failed.
  rpc RunTask(RunTaskRequest) returns (Task) {
    option (google.api.http) = {
      post: "/v2beta3/{name=projects/*/locations/*/queues/*/tasks/*}:run"
      body: "*"
    };
    option (google.api.method_signature) = "name";
  }

  // Creates or Updates a CMEK config.
  //
  // Updates the Customer Managed Encryption Key associated with the Cloud Tasks
  // location (Creates if the key does not already exist). All new tasks created
  // in the location will be encrypted at-rest with the KMS-key provided in the
  // config.
  rpc UpdateCmekConfig(UpdateCmekConfigRequest) returns (CmekConfig) {
    option (google.api.http) = {
      patch: "/v2beta3/{cmek_config.name=projects/*/locations/*/cmekConfig}"
      body: "cmek_config"
    };
    option (google.api.method_signature) = "cmek_config,update_mask";
  }

  // Gets the CMEK config.
  //
  // Gets the Customer Managed Encryption Key configured with the Cloud Tasks
  // lcoation. By default there is no kms_key configured.
  rpc GetCmekConfig(GetCmekConfigRequest) returns (CmekConfig) {
    option (google.api.http) = {
      get: "/v2beta3/{name=projects/*/locations/*/cmekConfig}"
    };
    option (google.api.method_signature) = "name";
  }
}

// Request message for
// [ListQueues][google.cloud.tasks.v2beta3.CloudTasks.ListQueues].
message ListQueuesRequest {
  // Required. The location name.
  // For example: `projects/PROJECT_ID/locations/LOCATION_ID`
  string parent = 1 [
    (google.api.field_behavior) = REQUIRED,
    (google.api.resource_reference) = {
      child_type: "cloudtasks.googleapis.com/Queue"
    }
  ];

  // `filter` can be used to specify a subset of queues. Any
  // [Queue][google.cloud.tasks.v2beta3.Queue] field can be used as a filter and
  // several operators as supported. For example: `<=, <, >=, >, !=, =, :`. The
  // filter syntax is the same as described in [Stackdriver's Advanced Logs
  // Filters](https://cloud.google.com/logging/docs/view/advanced_filters).
  //
  // Sample filter "state: PAUSED".
  //
  // Note that using filters might cause fewer queues than the
  // requested page_size to be returned.
  string filter = 2;

  // Requested page size.
  //
  // The maximum page size is 9800. If unspecified, the page size will
  // be the maximum. Fewer queues than requested might be returned,
  // even if more queues exist; use the
  // [next_page_token][google.cloud.tasks.v2beta3.ListQueuesResponse.next_page_token]
  // in the response to determine if more queues exist.
  int32 page_size = 3;

  // A token identifying the page of results to return.
  //
  // To request the first page results, page_token must be empty. To
  // request the next page of results, page_token must be the value of
  // [next_page_token][google.cloud.tasks.v2beta3.ListQueuesResponse.next_page_token]
  // returned from the previous call to
  // [ListQueues][google.cloud.tasks.v2beta3.CloudTasks.ListQueues] method. It
  // is an error to switch the value of the
  // [filter][google.cloud.tasks.v2beta3.ListQueuesRequest.filter] while
  // iterating through pages.
  string page_token = 4;

  // Optional. Read mask is used for a more granular control over what the API
  // returns. If the mask is not present all fields will be returned except
  // [Queue.stats]. [Queue.stats] will be returned only if it was  explicitly
  // specified in the mask.
  google.protobuf.FieldMask read_mask = 5
      [(google.api.field_behavior) = OPTIONAL];
}

// Response message for
// [ListQueues][google.cloud.tasks.v2beta3.CloudTasks.ListQueues].
message ListQueuesResponse {
  // The list of queues.
  repeated Queue queues = 1;

  // A token to retrieve next page of results.
  //
  // To return the next page of results, call
  // [ListQueues][google.cloud.tasks.v2beta3.CloudTasks.ListQueues] with this
  // value as the
  // [page_token][google.cloud.tasks.v2beta3.ListQueuesRequest.page_token].
  //
  // If the next_page_token is empty, there are no more results.
  //
  // The page token is valid for only 2 hours.
  string next_page_token = 2;
}

// Request message for
// [GetQueue][google.cloud.tasks.v2beta3.CloudTasks.GetQueue].
message GetQueueRequest {
  // Required. The resource name of the queue. For example:
  // `projects/PROJECT_ID/locations/LOCATION_ID/queues/QUEUE_ID`
  string name = 1 [
    (google.api.field_behavior) = REQUIRED,
    (google.api.resource_reference) = {
      type: "cloudtasks.googleapis.com/Queue"
    }
  ];

  // Optional. Read mask is used for a more granular control over what the API
  // returns. If the mask is not present all fields will be returned except
  // [Queue.stats]. [Queue.stats] will be returned only if it was  explicitly
  // specified in the mask.
  google.protobuf.FieldMask read_mask = 2
      [(google.api.field_behavior) = OPTIONAL];
}

// Request message for
// [CreateQueue][google.cloud.tasks.v2beta3.CloudTasks.CreateQueue].
message CreateQueueRequest {
  // Required. The location name in which the queue will be created.
  // For example: `projects/PROJECT_ID/locations/LOCATION_ID`
  //
  // The list of allowed locations can be obtained by calling Cloud
  // Tasks' implementation of
  // [ListLocations][google.cloud.location.Locations.ListLocations].
  string parent = 1 [
    (google.api.field_behavior) = REQUIRED,
    (google.api.resource_reference) = {
      child_type: "cloudtasks.googleapis.com/Queue"
    }
  ];

  // Required. The queue to create.
  //
  // [Queue's name][google.cloud.tasks.v2beta3.Queue.name] cannot be the same as
  // an existing queue.
  Queue queue = 2 [(google.api.field_behavior) = REQUIRED];
}

// Request message for
// [UpdateQueue][google.cloud.tasks.v2beta3.CloudTasks.UpdateQueue].
message UpdateQueueRequest {
  // Required. The queue to create or update.
  //
  // The queue's [name][google.cloud.tasks.v2beta3.Queue.name] must be
  // specified.
  //
  // Output only fields cannot be modified using UpdateQueue.
  // Any value specified for an output only field will be ignored.
  // The queue's [name][google.cloud.tasks.v2beta3.Queue.name] cannot be
  // changed.
  Queue queue = 1 [(google.api.field_behavior) = REQUIRED];

  // A mask used to specify which fields of the queue are being updated.
  //
  // If empty, then all fields will be updated.
  google.protobuf.FieldMask update_mask = 2;
}

// Request message for
// [DeleteQueue][google.cloud.tasks.v2beta3.CloudTasks.DeleteQueue].
message DeleteQueueRequest {
  // Required. The queue name. For example:
  // `projects/PROJECT_ID/locations/LOCATION_ID/queues/QUEUE_ID`
  string name = 1 [
    (google.api.field_behavior) = REQUIRED,
    (google.api.resource_reference) = {
      type: "cloudtasks.googleapis.com/Queue"
    }
  ];
}

// Request message for
// [PurgeQueue][google.cloud.tasks.v2beta3.CloudTasks.PurgeQueue].
message PurgeQueueRequest {
  // Required. The queue name. For example:
  // `projects/PROJECT_ID/location/LOCATION_ID/queues/QUEUE_ID`
  string name = 1 [
    (google.api.field_behavior) = REQUIRED,
    (google.api.resource_reference) = {
      type: "cloudtasks.googleapis.com/Queue"
    }
  ];
}

// Request message for
// [PauseQueue][google.cloud.tasks.v2beta3.CloudTasks.PauseQueue].
message PauseQueueRequest {
  // Required. The queue name. For example:
  // `projects/PROJECT_ID/location/LOCATION_ID/queues/QUEUE_ID`
  string name = 1 [
    (google.api.field_behavior) = REQUIRED,
    (google.api.resource_reference) = {
      type: "cloudtasks.googleapis.com/Queue"
    }
  ];
}

// Request message for
// [ResumeQueue][google.cloud.tasks.v2beta3.CloudTasks.ResumeQueue].
message ResumeQueueRequest {
  // Required. The queue name. For example:
  // `projects/PROJECT_ID/location/LOCATION_ID/queues/QUEUE_ID`
  string name = 1 [
    (google.api.field_behavior) = REQUIRED,
    (google.api.resource_reference) = {
      type: "cloudtasks.googleapis.com/Queue"
    }
  ];
}

// Request message for listing tasks using
// [ListTasks][google.cloud.tasks.v2beta3.CloudTasks.ListTasks].
message ListTasksRequest {
  // Required. The queue name. For example:
  // `projects/PROJECT_ID/locations/LOCATION_ID/queues/QUEUE_ID`
  string parent = 1 [
    (google.api.field_behavior) = REQUIRED,
    (google.api.resource_reference) = {
      child_type: "cloudtasks.googleapis.com/Task"
    }
  ];

  // The response_view specifies which subset of the
  // [Task][google.cloud.tasks.v2beta3.Task] will be returned.
  //
  // By default response_view is
  // [BASIC][google.cloud.tasks.v2beta3.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.v2beta3.Task.View.FULL]
  // requires `cloudtasks.tasks.fullView` [Google
  // IAM](https://cloud.google.com/iam/) permission on the
  // [Task][google.cloud.tasks.v2beta3.Task] resource.
  Task.View response_view = 2;

  // Maximum page size.
  //
  // Fewer tasks than requested might be returned, even if more tasks exist; use
  // [next_page_token][google.cloud.tasks.v2beta3.ListTasksResponse.next_page_token]
  // in the response to determine if more tasks exist.
  //
  // The maximum page size is 1000. If unspecified, the page size will be the
  // maximum.
  int32 page_size = 3;

  // A token identifying the page of results to return.
  //
  // To request the first page results, page_token must be empty. To
  // request the next page of results, page_token must be the value of
  // [next_page_token][google.cloud.tasks.v2beta3.ListTasksResponse.next_page_token]
  // returned from the previous call to
  // [ListTasks][google.cloud.tasks.v2beta3.CloudTasks.ListTasks] method.
  //
  // The page token is valid for only 2 hours.
  string page_token = 4;
}

// Response message for listing tasks using
// [ListTasks][google.cloud.tasks.v2beta3.CloudTasks.ListTasks].
message ListTasksResponse {
  // The list of tasks.
  repeated Task tasks = 1;

  // A token to retrieve next page of results.
  //
  // To return the next page of results, call
  // [ListTasks][google.cloud.tasks.v2beta3.CloudTasks.ListTasks] with this
  // value as the
  // [page_token][google.cloud.tasks.v2beta3.ListTasksRequest.page_token].
  //
  // If the next_page_token is empty, there are no more results.
  string next_page_token = 2;
}

// Request message for getting a task using
// [GetTask][google.cloud.tasks.v2beta3.CloudTasks.GetTask].
message GetTaskRequest {
  // Required. The task name. For example:
  // `projects/PROJECT_ID/locations/LOCATION_ID/queues/QUEUE_ID/tasks/TASK_ID`
  string name = 1 [
    (google.api.field_behavior) = REQUIRED,
    (google.api.resource_reference) = { type: "cloudtasks.googleapis.com/Task" }
  ];

  // The response_view specifies which subset of the
  // [Task][google.cloud.tasks.v2beta3.Task] will be returned.
  //
  // By default response_view is
  // [BASIC][google.cloud.tasks.v2beta3.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.v2beta3.Task.View.FULL]
  // requires `cloudtasks.tasks.fullView` [Google
  // IAM](https://cloud.google.com/iam/) permission on the
  // [Task][google.cloud.tasks.v2beta3.Task] resource.
  Task.View response_view = 2;
}

// Request message for
// [CreateTask][google.cloud.tasks.v2beta3.CloudTasks.CreateTask].
message CreateTaskRequest {
  // Required. The queue name. For example:
  // `projects/PROJECT_ID/locations/LOCATION_ID/queues/QUEUE_ID`
  //
  // The queue must already exist.
  string parent = 1 [
    (google.api.field_behavior) = REQUIRED,
    (google.api.resource_reference) = {
      child_type: "cloudtasks.googleapis.com/Task"
    }
  ];

  // Required. The task to add.
  //
  // Task names have the following format:
  // `projects/PROJECT_ID/locations/LOCATION_ID/queues/QUEUE_ID/tasks/TASK_ID`.
  // The user can optionally specify a task
  // [name][google.cloud.tasks.v2beta3.Task.name]. If a name is not specified
  // then the system will generate a random unique task id, which will be set in
  // the task returned in the [response][google.cloud.tasks.v2beta3.Task.name].
  //
  // If [schedule_time][google.cloud.tasks.v2beta3.Task.schedule_time] is not
  // set or is in the past then Cloud Tasks will set it to the current time.
  //
  // Task De-duplication:
  //
  // Explicitly specifying a task ID enables task de-duplication.  If
  // a task's ID is identical to that of an existing task or a task
  // that was deleted or executed recently then the call will fail
  // with [ALREADY_EXISTS][google.rpc.Code.ALREADY_EXISTS].
  // The IDs of deleted tasks are not immediately available for reuse.  It can
  // take up to 24 hours (or 9 days if the task's queue was created using a
  // queue.yaml or queue.xml) for the task ID to be released and made available
  // again.
  //
  // Because there is an extra lookup cost to identify duplicate task
  // names, these [CreateTask][google.cloud.tasks.v2beta3.CloudTasks.CreateTask]
  // calls have significantly increased latency. Using hashed strings for the
  // task id or for the prefix of the task id is recommended. Choosing task ids
  // that are sequential or have sequential prefixes, for example using a
  // timestamp, causes an increase in latency and error rates in all
  // task commands. The infrastructure relies on an approximately
  // uniform distribution of task ids to store and serve tasks
  // efficiently.
  Task task = 2 [(google.api.field_behavior) = REQUIRED];

  // The response_view specifies which subset of the
  // [Task][google.cloud.tasks.v2beta3.Task] will be returned.
  //
  // By default response_view is
  // [BASIC][google.cloud.tasks.v2beta3.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.v2beta3.Task.View.FULL]
  // requires `cloudtasks.tasks.fullView` [Google
  // IAM](https://cloud.google.com/iam/) permission on the
  // [Task][google.cloud.tasks.v2beta3.Task] resource.
  Task.View response_view = 3;
}

// Request message for [BatchCreateTasks].
message BatchCreateTasksRequest {
  // Required. The queue name. For example:
  // `projects/PROJECT_ID/locations/LOCATION_ID/queues/QUEUE_ID`
  //
  // The queue must already exist.
  string parent = 1 [
    (google.api.field_behavior) = REQUIRED,
    (google.api.resource_reference) = {
      type: "cloudtasks.googleapis.com/Queue"
    }
  ];

  // Required. The list of requests to create tasks.
  // The queue specified in parent field of each CreateTaskRequest will be
  // the same. This validation happens on the client side as well as in the
  // handler.
  // BatchCreateTasksRequest.parent will also be the same value as the
  // individual CreateTaskRequest.parent .
  // The maximum number of requests is 100.
  repeated CreateTaskRequest requests = 2
      [(google.api.field_behavior) = REQUIRED];

  // Optional. This field will be used to identify the long running operation,
  // avoiding duplication when user retries. If not provided, then a UUID will
  // be generated at server side.
  string request_id = 3 [
    (google.api.field_info).format = UUID4,
    (google.api.field_behavior) = OPTIONAL
  ];
}

// Request message for deleting a task using
// [DeleteTask][google.cloud.tasks.v2beta3.CloudTasks.DeleteTask].
message DeleteTaskRequest {
  // Required. The task name. For example:
  // `projects/PROJECT_ID/locations/LOCATION_ID/queues/QUEUE_ID/tasks/TASK_ID`
  string name = 1 [
    (google.api.field_behavior) = REQUIRED,
    (google.api.resource_reference) = { type: "cloudtasks.googleapis.com/Task" }
  ];
}

// Request message for deleting a batch of tasks using
// [BatchDeleteTasks][google.cloud.tasks.v2beta3.CloudTasks.BatchDeleteTasks].
message BatchDeleteTasksRequest {
  // Required. The queue name. For example:
  // Format: `projects/PROJECT_ID/locations/LOCATION_ID/queues/QUEUE_ID`
  string parent = 1 [
    (google.api.field_behavior) = REQUIRED,
    (google.api.resource_reference) = {
      type: "cloudtasks.googleapis.com/Queue"
    }
  ];

  // Required. The names of the tasks to delete.
  // A maximum of 1000 tasks can be deleted in a batch.
  // For example:
  // Format:
  // `projects/PROJECT_ID/locations/LOCATION_ID/queues/QUEUE_ID/tasks/TASK_ID`
  repeated string names = 2 [
    (google.api.field_behavior) = REQUIRED,
    (google.api.resource_reference) = { type: "cloudtasks.googleapis.com/Task" }
  ];

  // Optional. This field will be used to identify the long running operation,
  // avoiding duplication when user retries. If not provided, then a UUID will
  // be generated at server side.
  string request_id = 3 [
    (google.api.field_info).format = UUID4,
    (google.api.field_behavior) = OPTIONAL
  ];
}

// Metadata for the long-running operation returned by
// [BatchDeleteTasks][google.cloud.tasks.v2beta3.CloudTasks.BatchDeleteTasks].
// This message is used to hold metadata information about the
// batch delete tasks operation; that is, it is put in
// [google.longrunning.Operation.metadata][google.longrunning.Operation.metadata].
message BatchDeleteTasksMetadata {
  // The state of the batch delete operation.
  // This enum is not frozen and new values may be added in the future.
  enum State {
    // The default value. This value is used if the state is omitted.
    STATE_UNSPECIFIED = 0;

    // The batch delete is running.
    RUNNING = 1;

    // The batch delete has finished and all tasks were successfully deleted.
    SUCCEEDED = 2;

    // The batch delete has finished with partial success.
    // The tasks that failed to be deleted are reported in
    // [failed_requests][google.cloud.tasks.v2beta3.BatchDeleteTasksMetadata.failed_requests].
    // When all requests in the batch fail,
    // [google.longrunning.Operation.error][google.longrunning.Operation.error]
    // will be set with `code` = `google.rpc.Code.ABORTED` and `message` = "None
    // of the requests succeeded, refer to
    // BatchDeleteTasksMetadata.failed_requests for individual error details".
    PARTIALLY_SUCCEEDED = 3;

    // The batch delete has failed.
    // This means the overall batch delete operation failed to complete.
    // This can happen due to an internal error preventing the operation from
    // finishing.
    FAILED = 4;
  }

  // Output only. The time when the batch delete started.
  google.protobuf.Timestamp start_time = 1
      [(google.api.field_behavior) = OUTPUT_ONLY];

  // Output only. The time when the batch delete finished.
  google.protobuf.Timestamp end_time = 2
      [(google.api.field_behavior) = OUTPUT_ONLY];

  // Output only. The state of the batch delete operation.
  State state = 3 [(google.api.field_behavior) = OUTPUT_ONLY];

  // Output only. A map of failed requests, where the key is the index of the
  // request in BatchDeleteTasksRequest.names and the value is the error status.
  map<int32, google.rpc.Status> failed_requests = 4
      [(google.api.field_behavior) = OUTPUT_ONLY];
}

// Request message for forcing a task to run now using
// [RunTask][google.cloud.tasks.v2beta3.CloudTasks.RunTask].
message RunTaskRequest {
  // Required. The task name. For example:
  // `projects/PROJECT_ID/locations/LOCATION_ID/queues/QUEUE_ID/tasks/TASK_ID`
  string name = 1 [
    (google.api.field_behavior) = REQUIRED,
    (google.api.resource_reference) = { type: "cloudtasks.googleapis.com/Task" }
  ];

  // The response_view specifies which subset of the
  // [Task][google.cloud.tasks.v2beta3.Task] will be returned.
  //
  // By default response_view is
  // [BASIC][google.cloud.tasks.v2beta3.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.v2beta3.Task.View.FULL]
  // requires `cloudtasks.tasks.fullView` [Google
  // IAM](https://cloud.google.com/iam/) permission on the
  // [Task][google.cloud.tasks.v2beta3.Task] resource.
  Task.View response_view = 2;
}

// Response message for [BatchCreateTasks].
message BatchCreateTasksResponse {
  // The tasks that were successfully created.
  repeated Task tasks = 1;
}

// Metadata message for [BatchCreateTasks].
message BatchCreateTasksMetadata {
  // The state of the batch create operation.
  enum State {
    // The default value. This value is used if the state is omitted.
    STATE_UNSPECIFIED = 0;

    // The batch create is running.
    RUNNING = 1;

    // The batch create has finished.
    // All tasks in the request were successfully created.
    SUCCEEDED = 2;

    // The batch create has finished with partial success.
    // The tasks that failed to be created are reported in
    // [failed_requests][google.cloud.tasks.v2beta3.BatchCreateTasksMetadata.failed_requests].
    PARTIALLY_SUCCEEDED = 5;

    // The batch create has failed.
    // This means the overall batch create operation failed to complete.
    // This can happen due to an internal error preventing the operation from
    // finishing.
    FAILED = 3;

    // The batch create was cancelled.
    CANCELLED = 4;
  }

  // The time when the batch create started.
  google.protobuf.Timestamp start_time = 1;

  // The time when the batch create finished.
  google.protobuf.Timestamp end_time = 2;

  // Output only. The state of the batch create operation.
  State state = 3 [(google.api.field_behavior) = OUTPUT_ONLY];

  // A map of failed requests, where the key is the index of the request in
  // BatchCreateTasksRequest.requests and the value is the error status.
  map<int32, google.rpc.Status> failed_requests = 4;
}

// Request message for
// [UpdateCmekConfig][google.cloud.tasks.v2beta3.CloudTasks.UpdateCmekConfig].
message UpdateCmekConfigRequest {
  // Required. The config to update.  Its name attribute distinguishes it.
  CmekConfig cmek_config = 1 [(google.api.field_behavior) = REQUIRED];

  // List of fields to be updated in this request.
  google.protobuf.FieldMask update_mask = 2;
}

// Request message for
// [GetCmekConfig][google.cloud.tasks.v2beta3.CloudTasks.GetCmekConfig].
message GetCmekConfigRequest {
  // Required. The config resource name. For example:
  // projects/PROJECT_ID/locations/LOCATION_ID/cmekConfig`
  string name = 1 [
    (google.api.field_behavior) = REQUIRED,
    (google.api.resource_reference) = {
      type: "cloudtasks.googleapis.com/CmekConfig"
    }
  ];
}