// This file is @generated by prost-build.
/// Pull Message.
///
/// This proto can only be used for tasks in a queue which has
/// [PULL][google.cloud.tasks.v2beta3.Queue.type] type. It currently exists for
/// backwards compatibility with the App Engine Task Queue SDK. This message type
/// maybe returned with methods
/// [list][google.cloud.tasks.v2beta3.CloudTask.ListTasks] and
/// [get][google.cloud.tasks.v2beta3.CloudTask.ListTasks], when the response view
/// is [FULL][google.cloud.tasks.v2beta3.Task.View.Full].
#[derive(Clone, PartialEq, ::prost::Message)]
pub struct PullMessage {
    /// A data payload consumed by the worker to execute the task.
    #[prost(bytes = "bytes", tag = "1")]
    pub payload: ::prost::bytes::Bytes,
    /// The tasks's tag.
    ///
    /// The tag is less than 500 characters.
    ///
    /// 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. If a tag isn't UTF-8
    /// encoded, the tag will be empty when the task is returned by Cloud Tasks.
    #[prost(string, tag = "2")]
    pub tag: ::prost::alloc::string::String,
}
/// PathOverride.
///
/// Path message defines path override for HTTP targets.
#[derive(Clone, PartialEq, ::prost::Message)]
pub struct PathOverride {
    /// The URI path (e.g., /users/1234). Default is an empty string.
    #[prost(string, tag = "1")]
    pub path: ::prost::alloc::string::String,
}
/// QueryOverride.
///
/// Query message defines query override for HTTP targets.
#[derive(Clone, PartialEq, ::prost::Message)]
pub struct QueryOverride {
    /// The query parameters (e.g., qparam1=123&qparam2=456). Default is an empty
    /// string.
    #[prost(string, tag = "1")]
    pub query_params: ::prost::alloc::string::String,
}
/// URI Override.
///
/// When specified, all the HTTP tasks inside the queue will be partially or
/// fully overridden depending on the configured values.
#[derive(Clone, PartialEq, ::prost::Message)]
pub struct UriOverride {
    /// Scheme override.
    ///
    /// When specified, the task URI scheme is replaced by the provided value (HTTP
    /// or HTTPS).
    #[prost(enumeration = "uri_override::Scheme", optional, tag = "1")]
    pub scheme: ::core::option::Option<i32>,
    /// Host override.
    ///
    /// When specified, replaces the host part of the task URL. For example,
    /// if the task URL is "<https://www.google.com,"> and host value is set to
    /// "example.net", the overridden URI will be changed to "<https://example.net.">
    /// Host value cannot be an empty string (INVALID_ARGUMENT).
    #[prost(string, optional, tag = "2")]
    pub host: ::core::option::Option<::prost::alloc::string::String>,
    /// Port override.
    ///
    /// When specified, replaces the port part of the task URI. For instance,
    /// for a URI <http://www.google.com/foo> and port=123, the overridden URI
    /// becomes <http://www.google.com:123/foo.> Note that the port value must be a
    /// positive integer. Setting the port to 0 (Zero) clears the URI port.
    #[prost(int64, optional, tag = "3")]
    pub port: ::core::option::Option<i64>,
    /// URI path.
    ///
    /// When specified, replaces the existing path of the task URL. Setting the
    /// path value to an empty string clears the URI path segment.
    #[prost(message, optional, tag = "4")]
    pub path_override: ::core::option::Option<PathOverride>,
    /// URI Query.
    ///
    /// When specified, replaces the query part of the task URI. Setting the
    /// query value to an empty string clears the URI query segment.
    #[prost(message, optional, tag = "5")]
    pub query_override: ::core::option::Option<QueryOverride>,
    /// URI Override Enforce Mode
    ///
    /// When specified, determines the Target UriOverride mode. If not specified,
    /// it defaults to ALWAYS.
    #[prost(enumeration = "uri_override::UriOverrideEnforceMode", tag = "6")]
    pub uri_override_enforce_mode: i32,
}
/// Nested message and enum types in `UriOverride`.
pub mod uri_override {
    /// The Scheme for an HTTP request. By default, it is HTTPS.
    #[derive(
        Clone,
        Copy,
        Debug,
        PartialEq,
        Eq,
        Hash,
        PartialOrd,
        Ord,
        ::prost::Enumeration
    )]
    #[repr(i32)]
    pub enum Scheme {
        /// Scheme unspecified. Defaults to HTTPS.
        Unspecified = 0,
        /// Convert the scheme to HTTP, e.g., <https://www.google.ca> will change to
        /// <http://www.google.ca.>
        Http = 1,
        /// Convert the scheme to HTTPS, e.g., <http://www.google.ca> will change to
        /// <https://www.google.ca.>
        Https = 2,
    }
    impl Scheme {
        /// String value of the enum field names used in the ProtoBuf definition.
        ///
        /// The values are not transformed in any way and thus are considered stable
        /// (if the ProtoBuf definition does not change) and safe for programmatic use.
        pub fn as_str_name(&self) -> &'static str {
            match self {
                Scheme::Unspecified => "SCHEME_UNSPECIFIED",
                Scheme::Http => "HTTP",
                Scheme::Https => "HTTPS",
            }
        }
        /// Creates an enum from field names used in the ProtoBuf definition.
        pub fn from_str_name(value: &str) -> ::core::option::Option<Self> {
            match value {
                "SCHEME_UNSPECIFIED" => Some(Self::Unspecified),
                "HTTP" => Some(Self::Http),
                "HTTPS" => Some(Self::Https),
                _ => None,
            }
        }
    }
    /// UriOverrideEnforceMode mode is to define enforcing mode for the override
    /// modes.
    #[derive(
        Clone,
        Copy,
        Debug,
        PartialEq,
        Eq,
        Hash,
        PartialOrd,
        Ord,
        ::prost::Enumeration
    )]
    #[repr(i32)]
    pub enum UriOverrideEnforceMode {
        /// OverrideMode Unspecified. Defaults to ALWAYS.
        Unspecified = 0,
        /// In the IF_NOT_EXISTS mode, queue-level configuration is only
        /// applied where task-level configuration does not exist.
        IfNotExists = 1,
        /// In the ALWAYS mode, queue-level configuration overrides all
        /// task-level configuration
        Always = 2,
    }
    impl UriOverrideEnforceMode {
        /// String value of the enum field names used in the ProtoBuf definition.
        ///
        /// The values are not transformed in any way and thus are considered stable
        /// (if the ProtoBuf definition does not change) and safe for programmatic use.
        pub fn as_str_name(&self) -> &'static str {
            match self {
                UriOverrideEnforceMode::Unspecified => {
                    "URI_OVERRIDE_ENFORCE_MODE_UNSPECIFIED"
                }
                UriOverrideEnforceMode::IfNotExists => "IF_NOT_EXISTS",
                UriOverrideEnforceMode::Always => "ALWAYS",
            }
        }
        /// Creates an enum from field names used in the ProtoBuf definition.
        pub fn from_str_name(value: &str) -> ::core::option::Option<Self> {
            match value {
                "URI_OVERRIDE_ENFORCE_MODE_UNSPECIFIED" => Some(Self::Unspecified),
                "IF_NOT_EXISTS" => Some(Self::IfNotExists),
                "ALWAYS" => Some(Self::Always),
                _ => None,
            }
        }
    }
}
/// HTTP target.
///
/// When specified as a [Queue][target_type], all the tasks with \[HttpRequest\]
/// will be overridden according to the target.
#[derive(Clone, PartialEq, ::prost::Message)]
pub struct HttpTarget {
    /// URI override.
    ///
    /// When specified, overrides the execution URI for all the tasks in the queue.
    #[prost(message, optional, tag = "1")]
    pub uri_override: ::core::option::Option<UriOverride>,
    /// The HTTP method to use for the request.
    ///
    /// When specified, it overrides
    /// [HttpRequest][google.cloud.tasks.v2beta3.HttpTarget.http_method] for the
    /// task. Note that if the value is set to [HttpMethod][GET] the
    /// [HttpRequest][body] of the task will be ignored at execution time.
    #[prost(enumeration = "HttpMethod", tag = "2")]
    pub http_method: i32,
    /// HTTP target headers.
    ///
    /// This map contains the header field names and values.
    /// Headers will be set when running the
    /// [CreateTask][google.cloud.tasks.v2beta3.CloudTasks.CreateTask] and/or
    /// [BufferTask][google.cloud.tasks.v2beta3.CloudTasks.BufferTask].
    ///
    /// These headers represent a subset of the headers that will be configured for
    /// the task's HTTP request. Some HTTP request headers will be ignored or
    /// replaced.
    ///
    /// A partial list of headers that will be ignored or replaced is:
    /// * Several predefined headers, prefixed with "X-CloudTasks-", can
    /// be used to define properties of the task.
    /// * Host: This will be computed by Cloud Tasks and derived from
    /// [HttpRequest.url][google.cloud.tasks.v2beta3.Target.HttpRequest.url].
    /// * Content-Length: This will be computed by Cloud Tasks.
    ///
    /// `Content-Type` won't be set by Cloud Tasks. You can explicitly set
    /// `Content-Type` to a media type when the
    ///   [task is created][google.cloud.tasks.v2beta3.CloudTasks.CreateTask].
    ///   For example,`Content-Type` can be set to `"application/octet-stream"` or
    ///   `"application/json"`. The default value is set to `"application/json"`.
    ///
    /// * User-Agent: This will be set to `"Google-Cloud-Tasks"`.
    ///
    /// Headers which can have multiple values (according to RFC2616) can be
    /// specified using comma-separated values.
    ///
    /// The size of the headers must be less than 80KB.
    /// Queue-level headers to override headers of all the tasks in the queue.
    #[prost(message, repeated, tag = "3")]
    pub header_overrides: ::prost::alloc::vec::Vec<http_target::HeaderOverride>,
    /// The mode for generating an `Authorization` header for HTTP requests.
    ///
    /// If specified, all `Authorization` headers in the
    /// [HttpRequest.headers][google.cloud.tasks.v2beta3.HttpRequest.headers] field
    /// will be overridden.
    #[prost(oneof = "http_target::AuthorizationHeader", tags = "5, 6")]
    pub authorization_header: ::core::option::Option<http_target::AuthorizationHeader>,
}
/// Nested message and enum types in `HttpTarget`.
pub mod http_target {
    /// Defines a header message. A header can have a key and a value.
    #[derive(Clone, PartialEq, ::prost::Message)]
    pub struct Header {
        /// The Key of the header.
        #[prost(string, tag = "1")]
        pub key: ::prost::alloc::string::String,
        /// The Value of the header.
        #[prost(string, tag = "2")]
        pub value: ::prost::alloc::string::String,
    }
    /// Wraps the Header object.
    #[derive(Clone, PartialEq, ::prost::Message)]
    pub struct HeaderOverride {
        /// header embodying a key and a value.
        #[prost(message, optional, tag = "1")]
        pub header: ::core::option::Option<Header>,
    }
    /// The mode for generating an `Authorization` header for HTTP requests.
    ///
    /// If specified, all `Authorization` headers in the
    /// [HttpRequest.headers][google.cloud.tasks.v2beta3.HttpRequest.headers] field
    /// will be overridden.
    #[derive(Clone, PartialEq, ::prost::Oneof)]
    pub enum AuthorizationHeader {
        /// If specified, an
        /// [OAuth token](<https://developers.google.com/identity/protocols/OAuth2>)
        /// will be generated and attached as the `Authorization` header in the HTTP
        /// request.
        ///
        /// This type of authorization should generally only be used when calling
        /// Google APIs hosted on *.googleapis.com.
        #[prost(message, tag = "5")]
        OauthToken(super::OAuthToken),
        /// If specified, an
        /// [OIDC](<https://developers.google.com/identity/protocols/OpenIDConnect>)
        /// token will be generated and attached as an `Authorization` header in the
        /// HTTP request.
        ///
        /// This type of authorization can be used for many scenarios, including
        /// calling Cloud Run, or endpoints where you intend to validate the token
        /// yourself.
        #[prost(message, tag = "6")]
        OidcToken(super::OidcToken),
    }
}
/// HTTP request.
///
/// The task will be pushed to the worker as an HTTP request. If the worker
/// or the redirected worker acknowledges the task by returning a successful HTTP
/// response code (\[`200` - `299`\]), the task will be removed from the queue. If
/// any other HTTP response code is returned or no response is received, the
/// task will be retried according to the following:
///
/// * User-specified throttling: [retry
/// configuration][google.cloud.tasks.v2beta3.Queue.retry_config],
///    [rate limits][google.cloud.tasks.v2beta3.Queue.rate_limits], and the
///    [queue's state][google.cloud.tasks.v2beta3.Queue.state].
///
/// * System throttling: To prevent the worker from overloading, Cloud Tasks may
///    temporarily reduce the queue's effective rate. User-specified settings
///    will not be changed.
///
///   System throttling happens because:
///
///    * Cloud Tasks backs off on all errors. Normally the backoff specified in
///      [rate limits][google.cloud.tasks.v2beta3.Queue.rate_limits] will be used.
///      But if the worker returns `429` (Too Many Requests), `503` (Service
///      Unavailable), or the rate of errors is high, Cloud Tasks will use a
///      higher backoff rate. The retry specified in the `Retry-After` HTTP
///      response header is considered.
///
///    * To prevent traffic spikes and to smooth sudden increases in traffic,
///      dispatches ramp up slowly when the queue is newly created or idle and
///      if large numbers of tasks suddenly become available to dispatch (due to
///      spikes in create task rates, the queue being unpaused, or many tasks
///      that are scheduled at the same time).
#[derive(Clone, PartialEq, ::prost::Message)]
pub struct HttpRequest {
    /// Required. The full url path that the request will be sent to.
    ///
    /// This string must begin with either "<http://"> or "<https://".> Some examples
    /// are: `<http://acme.com`> and `<https://acme.com/sales:8080`.> Cloud Tasks will
    /// encode some characters for safety and compatibility. The maximum allowed
    /// URL length is 2083 characters after encoding.
    ///
    /// The `Location` header response from a redirect response \[`300` - `399`\]
    /// may be followed. The redirect is not counted as a separate attempt.
    #[prost(string, tag = "1")]
    pub url: ::prost::alloc::string::String,
    /// The HTTP method to use for the request. The default is POST.
    #[prost(enumeration = "HttpMethod", tag = "2")]
    pub http_method: i32,
    /// HTTP request headers.
    ///
    /// This map contains the header field names and values.
    /// Headers can be set when the
    /// [task is created][google.cloud.tasks.v2beta3.CloudTasks.CreateTask].
    ///
    /// These headers represent a subset of the headers that will accompany the
    /// task's HTTP request. Some HTTP request headers will be ignored or replaced.
    ///
    /// A partial list of headers that will be ignored or replaced is:
    ///
    /// * Any header that is prefixed with "X-CloudTasks-" will be treated
    /// as service header. Service headers define properties of the task and are
    /// predefined in CloudTask.
    /// * Host: This will be computed by Cloud Tasks and derived from
    ///    [HttpRequest.url][google.cloud.tasks.v2beta3.HttpRequest.url].
    /// * Content-Length: This will be computed by Cloud Tasks.
    /// * User-Agent: This will be set to `"Google-Cloud-Tasks"`.
    /// * `X-Google-*`: Google use only.
    /// * `X-AppEngine-*`: Google use only.
    ///
    /// `Content-Type` won't be set by Cloud Tasks. You can explicitly set
    /// `Content-Type` to a media type when the
    ///   [task is created][google.cloud.tasks.v2beta3.CloudTasks.CreateTask].
    ///   For example, `Content-Type` can be set to `"application/octet-stream"` or
    ///   `"application/json"`.
    ///
    /// Headers which can have multiple values (according to RFC2616) can be
    /// specified using comma-separated values.
    ///
    /// The size of the headers must be less than 80KB.
    #[prost(btree_map = "string, string", tag = "3")]
    pub headers: ::prost::alloc::collections::BTreeMap<
        ::prost::alloc::string::String,
        ::prost::alloc::string::String,
    >,
    /// HTTP request body.
    ///
    /// A request body is allowed only if the
    /// [HTTP method][google.cloud.tasks.v2beta3.HttpRequest.http_method] is POST,
    /// PUT, or PATCH. It is an error to set body on a task with an incompatible
    /// [HttpMethod][google.cloud.tasks.v2beta3.HttpMethod].
    #[prost(bytes = "bytes", tag = "4")]
    pub body: ::prost::bytes::Bytes,
    /// The mode for generating an `Authorization` header for HTTP requests.
    ///
    /// If specified, all `Authorization` headers in the
    /// [HttpRequest.headers][google.cloud.tasks.v2beta3.HttpRequest.headers] field
    /// will be overridden.
    #[prost(oneof = "http_request::AuthorizationHeader", tags = "5, 6")]
    pub authorization_header: ::core::option::Option<http_request::AuthorizationHeader>,
}
/// Nested message and enum types in `HttpRequest`.
pub mod http_request {
    /// The mode for generating an `Authorization` header for HTTP requests.
    ///
    /// If specified, all `Authorization` headers in the
    /// [HttpRequest.headers][google.cloud.tasks.v2beta3.HttpRequest.headers] field
    /// will be overridden.
    #[derive(Clone, PartialEq, ::prost::Oneof)]
    pub enum AuthorizationHeader {
        /// If specified, an
        /// [OAuth token](<https://developers.google.com/identity/protocols/OAuth2>)
        /// will be generated and attached as an `Authorization` header in the HTTP
        /// request.
        ///
        /// This type of authorization should generally only be used when calling
        /// Google APIs hosted on *.googleapis.com.
        #[prost(message, tag = "5")]
        OauthToken(super::OAuthToken),
        /// If specified, an
        /// [OIDC](<https://developers.google.com/identity/protocols/OpenIDConnect>)
        /// token will be generated and attached as an `Authorization` header in the
        /// HTTP request.
        ///
        /// This type of authorization can be used for many scenarios, including
        /// calling Cloud Run, or endpoints where you intend to validate the token
        /// yourself.
        #[prost(message, tag = "6")]
        OidcToken(super::OidcToken),
    }
}
/// App Engine HTTP queue.
///
/// The task will be delivered to the App Engine application hostname
/// specified by its
/// [AppEngineHttpQueue][google.cloud.tasks.v2beta3.AppEngineHttpQueue] and
/// [AppEngineHttpRequest][google.cloud.tasks.v2beta3.AppEngineHttpRequest]. The
/// documentation for
/// [AppEngineHttpRequest][google.cloud.tasks.v2beta3.AppEngineHttpRequest]
/// explains how the task's host URL is constructed.
///
/// Using [AppEngineHttpQueue][google.cloud.tasks.v2beta3.AppEngineHttpQueue]
/// requires
/// [`appengine.applications.get`](<https://cloud.google.com/appengine/docs/admin-api/access-control>)
/// Google IAM permission for the project
/// and the following scope:
///
/// `<https://www.googleapis.com/auth/cloud-platform`>
#[derive(Clone, PartialEq, ::prost::Message)]
pub struct AppEngineHttpQueue {
    /// Overrides for the
    /// [task-level
    /// app_engine_routing][google.cloud.tasks.v2beta3.AppEngineHttpRequest.app_engine_routing].
    ///
    /// If set, `app_engine_routing_override` is used for all tasks in
    /// the queue, no matter what the setting is for the
    /// [task-level
    /// app_engine_routing][google.cloud.tasks.v2beta3.AppEngineHttpRequest.app_engine_routing].
    #[prost(message, optional, tag = "1")]
    pub app_engine_routing_override: ::core::option::Option<AppEngineRouting>,
}
/// App Engine HTTP request.
///
/// The message defines the HTTP request that is sent to an App Engine app when
/// the task is dispatched.
///
/// Using [AppEngineHttpRequest][google.cloud.tasks.v2beta3.AppEngineHttpRequest]
/// requires
/// [`appengine.applications.get`](<https://cloud.google.com/appengine/docs/admin-api/access-control>)
/// Google IAM permission for the project
/// and the following scope:
///
/// `<https://www.googleapis.com/auth/cloud-platform`>
///
/// The task will be delivered to the App Engine app which belongs to the same
/// project as the queue. For more information, see
/// [How Requests are
/// Routed](<https://cloud.google.com/appengine/docs/standard/python/how-requests-are-routed>)
/// and how routing is affected by
/// [dispatch
/// files](<https://cloud.google.com/appengine/docs/python/config/dispatchref>).
/// Traffic is encrypted during transport and never leaves Google datacenters.
/// Because this traffic is carried over a communication mechanism internal to
/// Google, you cannot explicitly set the protocol (for example, HTTP or HTTPS).
/// The request to the handler, however, will appear to have used the HTTP
/// protocol.
///
/// The [AppEngineRouting][google.cloud.tasks.v2beta3.AppEngineRouting] used to
/// construct the URL that the task is delivered to can be set at the queue-level
/// or task-level:
///
/// * If set,
///    [app_engine_routing_override][google.cloud.tasks.v2beta3.AppEngineHttpQueue.app_engine_routing_override]
///    is used for all tasks in the queue, no matter what the setting
///    is for the
///    [task-level
///    app_engine_routing][google.cloud.tasks.v2beta3.AppEngineHttpRequest.app_engine_routing].
///
///
/// The `url` that the task will be sent to is:
///
/// * `url =` [host][google.cloud.tasks.v2beta3.AppEngineRouting.host] `+`
///    [relative_uri][google.cloud.tasks.v2beta3.AppEngineHttpRequest.relative_uri]
///
/// Tasks can be dispatched to secure app handlers, unsecure app handlers, and
/// URIs restricted with
/// [`login:
/// admin`](<https://cloud.google.com/appengine/docs/standard/python/config/appref>).
/// Because tasks are not run as any user, they cannot be dispatched to URIs
/// restricted with
/// [`login:
/// required`](<https://cloud.google.com/appengine/docs/standard/python/config/appref>)
/// Task dispatches also do not follow redirects.
///
/// The task attempt has succeeded if the app's request handler returns an HTTP
/// response code in the range \[`200` - `299`\]. The task attempt has failed if
/// the app's handler returns a non-2xx response code or Cloud Tasks does
/// not receive response before the
/// [deadline][google.cloud.tasks.v2beta3.Task.dispatch_deadline]. Failed tasks
/// will be retried according to the [retry
/// configuration][google.cloud.tasks.v2beta3.Queue.retry_config]. `503` (Service
/// Unavailable) is considered an App Engine system error instead of an
/// application error and will cause Cloud Tasks' traffic congestion control to
/// temporarily throttle the queue's dispatches. Unlike other types of task
/// targets, a `429` (Too Many Requests) response from an app handler does not
/// cause traffic congestion control to throttle the queue.
#[derive(Clone, PartialEq, ::prost::Message)]
pub struct AppEngineHttpRequest {
    /// The HTTP method to use for the request. The default is POST.
    ///
    /// The app's request handler for the task's target URL must be able to handle
    /// HTTP requests with this http_method, otherwise the task attempt fails with
    /// error code 405 (Method Not Allowed). See [Writing a push task request
    /// handler](<https://cloud.google.com/appengine/docs/java/taskqueue/push/creating-handlers#writing_a_push_task_request_handler>)
    /// and the App Engine documentation for your runtime on [How Requests are
    /// Handled](<https://cloud.google.com/appengine/docs/standard/python3/how-requests-are-handled>).
    #[prost(enumeration = "HttpMethod", tag = "1")]
    pub http_method: i32,
    /// Task-level setting for App Engine routing.
    ///
    /// If set,
    /// [app_engine_routing_override][google.cloud.tasks.v2beta3.AppEngineHttpQueue.app_engine_routing_override]
    /// is used for all tasks in the queue, no matter what the setting is for the
    /// [task-level
    /// app_engine_routing][google.cloud.tasks.v2beta3.AppEngineHttpRequest.app_engine_routing].
    #[prost(message, optional, tag = "2")]
    pub app_engine_routing: ::core::option::Option<AppEngineRouting>,
    /// The relative URI.
    ///
    /// The relative URI must begin with "/" and must be a valid HTTP relative URI.
    /// It can contain a path and query string arguments.
    /// If the relative URI is empty, then the root path "/" will be used.
    /// No spaces are allowed, and the maximum length allowed is 2083 characters.
    #[prost(string, tag = "3")]
    pub relative_uri: ::prost::alloc::string::String,
    /// HTTP request headers.
    ///
    /// This map contains the header field names and values.
    /// Headers can be set when the
    /// [task is created][google.cloud.tasks.v2beta3.CloudTasks.CreateTask].
    /// Repeated headers are not supported but a header value can contain commas.
    ///
    /// Cloud Tasks sets some headers to default values:
    ///
    /// * `User-Agent`: By default, this header is
    ///    `"AppEngine-Google; (+<http://code.google.com/appengine>)"`.
    ///    This header can be modified, but Cloud Tasks will append
    ///    `"AppEngine-Google; (+<http://code.google.com/appengine>)"` to the
    ///    modified `User-Agent`.
    ///
    /// If the task has a
    /// [body][google.cloud.tasks.v2beta3.AppEngineHttpRequest.body], Cloud Tasks
    /// sets the following headers:
    ///
    /// * `Content-Type`: By default, the `Content-Type` header is set to
    ///    `"application/octet-stream"`. The default can be overridden by explicitly
    ///    setting `Content-Type` to a particular media type when the
    ///    [task is created][google.cloud.tasks.v2beta3.CloudTasks.CreateTask].
    ///    For example, `Content-Type` can be set to `"application/json"`.
    /// * `Content-Length`: This is computed by Cloud Tasks. This value is
    ///    output only.   It cannot be changed.
    ///
    /// The headers below cannot be set or overridden:
    ///
    /// * `Host`
    /// * `X-Google-*`
    /// * `X-AppEngine-*`
    ///
    /// In addition, Cloud Tasks sets some headers when the task is dispatched,
    /// such as headers containing information about the task; see
    /// [request
    /// headers](<https://cloud.google.com/tasks/docs/creating-appengine-handlers#reading_request_headers>).
    /// These headers are set only when the task is dispatched, so they are not
    /// visible when the task is returned in a Cloud Tasks response.
    ///
    /// Although there is no specific limit for the maximum number of headers or
    /// the size, there is a limit on the maximum size of the
    /// [Task][google.cloud.tasks.v2beta3.Task]. For more information, see the
    /// [CreateTask][google.cloud.tasks.v2beta3.CloudTasks.CreateTask]
    /// documentation.
    #[prost(btree_map = "string, string", tag = "4")]
    pub headers: ::prost::alloc::collections::BTreeMap<
        ::prost::alloc::string::String,
        ::prost::alloc::string::String,
    >,
    /// HTTP request body.
    ///
    /// A request body is allowed only if the HTTP method is POST or PUT. It is
    /// an error to set a body on a task with an incompatible
    /// [HttpMethod][google.cloud.tasks.v2beta3.HttpMethod].
    #[prost(bytes = "bytes", tag = "5")]
    pub body: ::prost::bytes::Bytes,
}
/// App Engine Routing.
///
/// Defines routing characteristics specific to App Engine - service, version,
/// and instance.
///
/// For more information about services, versions, and instances see
/// [An Overview of App
/// Engine](<https://cloud.google.com/appengine/docs/python/an-overview-of-app-engine>),
/// [Microservices Architecture on Google App
/// Engine](<https://cloud.google.com/appengine/docs/python/microservices-on-app-engine>),
/// [App Engine Standard request
/// routing](<https://cloud.google.com/appengine/docs/standard/python/how-requests-are-routed>),
/// and [App Engine Flex request
/// routing](<https://cloud.google.com/appengine/docs/flexible/python/how-requests-are-routed>).
#[derive(Clone, PartialEq, ::prost::Message)]
pub struct AppEngineRouting {
    /// App service.
    ///
    /// By default, the task is sent to the service which is the default
    /// service when the task is attempted.
    ///
    /// For some queues or tasks which were created using the App Engine
    /// Task Queue API, [host][google.cloud.tasks.v2beta3.AppEngineRouting.host] is
    /// not parsable into
    /// [service][google.cloud.tasks.v2beta3.AppEngineRouting.service],
    /// [version][google.cloud.tasks.v2beta3.AppEngineRouting.version], and
    /// [instance][google.cloud.tasks.v2beta3.AppEngineRouting.instance]. For
    /// example, some tasks which were created using the App Engine SDK use a
    /// custom domain name; custom domains are not parsed by Cloud Tasks. If
    /// [host][google.cloud.tasks.v2beta3.AppEngineRouting.host] is not parsable,
    /// then [service][google.cloud.tasks.v2beta3.AppEngineRouting.service],
    /// [version][google.cloud.tasks.v2beta3.AppEngineRouting.version], and
    /// [instance][google.cloud.tasks.v2beta3.AppEngineRouting.instance] are the
    /// empty string.
    #[prost(string, tag = "1")]
    pub service: ::prost::alloc::string::String,
    /// App version.
    ///
    /// By default, the task is sent to the version which is the default
    /// version when the task is attempted.
    ///
    /// For some queues or tasks which were created using the App Engine
    /// Task Queue API, [host][google.cloud.tasks.v2beta3.AppEngineRouting.host] is
    /// not parsable into
    /// [service][google.cloud.tasks.v2beta3.AppEngineRouting.service],
    /// [version][google.cloud.tasks.v2beta3.AppEngineRouting.version], and
    /// [instance][google.cloud.tasks.v2beta3.AppEngineRouting.instance]. For
    /// example, some tasks which were created using the App Engine SDK use a
    /// custom domain name; custom domains are not parsed by Cloud Tasks. If
    /// [host][google.cloud.tasks.v2beta3.AppEngineRouting.host] is not parsable,
    /// then [service][google.cloud.tasks.v2beta3.AppEngineRouting.service],
    /// [version][google.cloud.tasks.v2beta3.AppEngineRouting.version], and
    /// [instance][google.cloud.tasks.v2beta3.AppEngineRouting.instance] are the
    /// empty string.
    #[prost(string, tag = "2")]
    pub version: ::prost::alloc::string::String,
    /// App instance.
    ///
    /// By default, the task is sent to an instance which is available when
    /// the task is attempted.
    ///
    /// Requests can only be sent to a specific instance if
    /// [manual scaling is used in App Engine
    /// Standard](<https://cloud.google.com/appengine/docs/python/an-overview-of-app-engine?hl=en_US#scaling_types_and_instance_classes>).
    /// App Engine Flex does not support instances. For more information, see
    /// [App Engine Standard request
    /// routing](<https://cloud.google.com/appengine/docs/standard/python/how-requests-are-routed>)
    /// and [App Engine Flex request
    /// routing](<https://cloud.google.com/appengine/docs/flexible/python/how-requests-are-routed>).
    #[prost(string, tag = "3")]
    pub instance: ::prost::alloc::string::String,
    /// Output only. The host that the task is sent to.
    ///
    /// The host is constructed from the domain name of the app associated with
    /// the queue's project ID (for example <app-id>.appspot.com), and the
    /// [service][google.cloud.tasks.v2beta3.AppEngineRouting.service],
    /// [version][google.cloud.tasks.v2beta3.AppEngineRouting.version], and
    /// [instance][google.cloud.tasks.v2beta3.AppEngineRouting.instance]. Tasks
    /// which were created using the App Engine SDK might have a custom domain
    /// name.
    ///
    /// For more information, see
    /// [How Requests are
    /// Routed](<https://cloud.google.com/appengine/docs/standard/python/how-requests-are-routed>).
    #[prost(string, tag = "4")]
    pub host: ::prost::alloc::string::String,
}
/// Contains information needed for generating an
/// [OAuth token](<https://developers.google.com/identity/protocols/OAuth2>).
/// This type of authorization should generally only be used when calling Google
/// APIs hosted on *.googleapis.com.
#[derive(Clone, PartialEq, ::prost::Message)]
pub struct OAuthToken {
    /// [Service account email](<https://cloud.google.com/iam/docs/service-accounts>)
    /// to be used for generating OAuth token.
    /// The service account must be within the same project as the queue. The
    /// caller must have iam.serviceAccounts.actAs permission for the service
    /// account.
    #[prost(string, tag = "1")]
    pub service_account_email: ::prost::alloc::string::String,
    /// OAuth scope to be used for generating OAuth access token.
    /// If not specified, "<https://www.googleapis.com/auth/cloud-platform">
    /// will be used.
    #[prost(string, tag = "2")]
    pub scope: ::prost::alloc::string::String,
}
/// Contains information needed for generating an
/// [OpenID Connect
/// token](<https://developers.google.com/identity/protocols/OpenIDConnect>).
/// This type of authorization can be used for many scenarios, including
/// calling Cloud Run, or endpoints where you intend to validate the token
/// yourself.
#[derive(Clone, PartialEq, ::prost::Message)]
pub struct OidcToken {
    /// [Service account email](<https://cloud.google.com/iam/docs/service-accounts>)
    /// to be used for generating OIDC token.
    /// The service account must be within the same project as the queue. The
    /// caller must have iam.serviceAccounts.actAs permission for the service
    /// account.
    #[prost(string, tag = "1")]
    pub service_account_email: ::prost::alloc::string::String,
    /// Audience to be used when generating OIDC token. If not specified, the URI
    /// specified in target will be used.
    #[prost(string, tag = "2")]
    pub audience: ::prost::alloc::string::String,
}
/// The HTTP method used to execute the task.
#[derive(Clone, Copy, Debug, PartialEq, Eq, Hash, PartialOrd, Ord, ::prost::Enumeration)]
#[repr(i32)]
pub enum HttpMethod {
    /// HTTP method unspecified
    Unspecified = 0,
    /// HTTP POST
    Post = 1,
    /// HTTP GET
    Get = 2,
    /// HTTP HEAD
    Head = 3,
    /// HTTP PUT
    Put = 4,
    /// HTTP DELETE
    Delete = 5,
    /// HTTP PATCH
    Patch = 6,
    /// HTTP OPTIONS
    Options = 7,
}
impl HttpMethod {
    /// String value of the enum field names used in the ProtoBuf definition.
    ///
    /// The values are not transformed in any way and thus are considered stable
    /// (if the ProtoBuf definition does not change) and safe for programmatic use.
    pub fn as_str_name(&self) -> &'static str {
        match self {
            HttpMethod::Unspecified => "HTTP_METHOD_UNSPECIFIED",
            HttpMethod::Post => "POST",
            HttpMethod::Get => "GET",
            HttpMethod::Head => "HEAD",
            HttpMethod::Put => "PUT",
            HttpMethod::Delete => "DELETE",
            HttpMethod::Patch => "PATCH",
            HttpMethod::Options => "OPTIONS",
        }
    }
    /// Creates an enum from field names used in the ProtoBuf definition.
    pub fn from_str_name(value: &str) -> ::core::option::Option<Self> {
        match value {
            "HTTP_METHOD_UNSPECIFIED" => Some(Self::Unspecified),
            "POST" => Some(Self::Post),
            "GET" => Some(Self::Get),
            "HEAD" => Some(Self::Head),
            "PUT" => Some(Self::Put),
            "DELETE" => Some(Self::Delete),
            "PATCH" => Some(Self::Patch),
            "OPTIONS" => Some(Self::Options),
            _ => None,
        }
    }
}
/// A queue is a container of related tasks. Queues are configured to manage
/// how those tasks are dispatched. Configurable properties include rate limits,
/// retry options, queue types, and others.
#[derive(Clone, PartialEq, ::prost::Message)]
pub struct Queue {
    /// Caller-specified and required in
    /// [CreateQueue][google.cloud.tasks.v2beta3.CloudTasks.CreateQueue], after
    /// which it becomes output only.
    ///
    /// The queue name.
    ///
    /// The queue name must have the following format:
    /// `projects/PROJECT_ID/locations/LOCATION_ID/queues/QUEUE_ID`
    ///
    /// * `PROJECT_ID` can contain letters (\[A-Za-z\]), numbers (\[0-9\]),
    ///     hyphens (-), colons (:), or periods (.).
    ///     For more information, see
    ///     [Identifying
    ///     projects](<https://cloud.google.com/resource-manager/docs/creating-managing-projects#identifying_projects>)
    /// * `LOCATION_ID` is the canonical ID for the queue's location.
    ///     The list of available locations can be obtained by calling
    ///     [ListLocations][google.cloud.location.Locations.ListLocations].
    ///     For more information, see <https://cloud.google.com/about/locations/.>
    /// * `QUEUE_ID` can contain letters (\[A-Za-z\]), numbers (\[0-9\]), or
    ///    hyphens (-). The maximum length is 100 characters.
    #[prost(string, tag = "1")]
    pub name: ::prost::alloc::string::String,
    /// Modifies HTTP target for HTTP tasks.
    #[prost(message, optional, tag = "13")]
    pub http_target: ::core::option::Option<HttpTarget>,
    /// Rate limits for task dispatches.
    ///
    /// [rate_limits][google.cloud.tasks.v2beta3.Queue.rate_limits] and
    /// [retry_config][google.cloud.tasks.v2beta3.Queue.retry_config] are related
    /// because they both control task attempts. However they control task attempts
    /// in different ways:
    ///
    /// * [rate_limits][google.cloud.tasks.v2beta3.Queue.rate_limits] controls the
    /// total rate of
    ///    dispatches from a queue (i.e. all traffic dispatched from the
    ///    queue, regardless of whether the dispatch is from a first
    ///    attempt or a retry).
    /// * [retry_config][google.cloud.tasks.v2beta3.Queue.retry_config] controls
    /// what happens to
    ///    particular a task after its first attempt fails. That is,
    ///    [retry_config][google.cloud.tasks.v2beta3.Queue.retry_config] controls
    ///    task retries (the second attempt, third attempt, etc).
    ///
    /// The queue's actual dispatch rate is the result of:
    ///
    /// * Number of tasks in the queue
    /// * User-specified throttling:
    /// [rate_limits][google.cloud.tasks.v2beta3.Queue.rate_limits],
    ///    [retry_config][google.cloud.tasks.v2beta3.Queue.retry_config], and the
    ///    [queue's state][google.cloud.tasks.v2beta3.Queue.state].
    /// * System throttling due to `429` (Too Many Requests) or `503` (Service
    ///    Unavailable) responses from the worker, high error rates, or to smooth
    ///    sudden large traffic spikes.
    #[prost(message, optional, tag = "4")]
    pub rate_limits: ::core::option::Option<RateLimits>,
    /// Settings that determine the retry behavior.
    ///
    /// * For tasks created using Cloud Tasks: the queue-level retry settings
    ///    apply to all tasks in the queue that were created using Cloud Tasks.
    ///    Retry settings cannot be set on individual tasks.
    /// * For tasks created using the App Engine SDK: the queue-level retry
    ///    settings apply to all tasks in the queue which do not have retry settings
    ///    explicitly set on the task and were created by the App Engine SDK. See
    ///    [App Engine
    ///    documentation](<https://cloud.google.com/appengine/docs/standard/python/taskqueue/push/retrying-tasks>).
    #[prost(message, optional, tag = "5")]
    pub retry_config: ::core::option::Option<RetryConfig>,
    /// Output only. The state of the queue.
    ///
    /// `state` can only be changed by called
    /// [PauseQueue][google.cloud.tasks.v2beta3.CloudTasks.PauseQueue],
    /// [ResumeQueue][google.cloud.tasks.v2beta3.CloudTasks.ResumeQueue], or
    /// uploading
    /// [queue.yaml/xml](<https://cloud.google.com/appengine/docs/python/config/queueref>).
    /// [UpdateQueue][google.cloud.tasks.v2beta3.CloudTasks.UpdateQueue] cannot be
    /// used to change `state`.
    #[prost(enumeration = "queue::State", tag = "6")]
    pub state: i32,
    /// Output only. The last time this queue was purged.
    ///
    /// All tasks that were [created][google.cloud.tasks.v2beta3.Task.create_time]
    /// before this time were purged.
    ///
    /// A queue can be purged using
    /// [PurgeQueue][google.cloud.tasks.v2beta3.CloudTasks.PurgeQueue], the [App
    /// Engine Task Queue SDK, or the Cloud
    /// Console](<https://cloud.google.com/appengine/docs/standard/python/taskqueue/push/deleting-tasks-and-queues#purging_all_tasks_from_a_queue>).
    ///
    /// Purge time will be truncated to the nearest microsecond. Purge
    /// time will be unset if the queue has never been purged.
    #[prost(message, optional, tag = "7")]
    pub purge_time: ::core::option::Option<::prost_types::Timestamp>,
    /// The maximum amount of time that a task will be retained in
    /// this queue.
    ///
    /// Queues created by Cloud Tasks have a default `task_ttl` of 31 days.
    /// After a task has lived for `task_ttl`, the task will be deleted
    /// regardless of whether it was dispatched or not.
    ///
    /// The `task_ttl` for queues created via queue.yaml/xml is equal to the
    /// maximum duration because there is a
    /// [storage quota](<https://cloud.google.com/appengine/quotas#Task_Queue>) for
    /// these queues. To view the maximum valid duration, see the documentation for
    /// [Duration][google.protobuf.Duration].
    #[prost(message, optional, tag = "8")]
    pub task_ttl: ::core::option::Option<::prost_types::Duration>,
    /// The task tombstone time to live (TTL).
    ///
    /// After a task is deleted or executed, the task's tombstone is
    /// retained for the length of time specified by `tombstone_ttl`.
    /// The tombstone is used by task de-duplication; another task with the same
    /// name can't be created until the tombstone has expired. For more information
    /// about task de-duplication, see the documentation for
    /// [CreateTaskRequest][google.cloud.tasks.v2beta3.CreateTaskRequest.task].
    ///
    /// Queues created by Cloud Tasks have a default `tombstone_ttl` of 1 hour.
    #[prost(message, optional, tag = "9")]
    pub tombstone_ttl: ::core::option::Option<::prost_types::Duration>,
    /// Configuration options for writing logs to
    /// [Stackdriver Logging](<https://cloud.google.com/logging/docs/>). If this
    /// field is unset, then no logs are written.
    #[prost(message, optional, tag = "10")]
    pub stackdriver_logging_config: ::core::option::Option<StackdriverLoggingConfig>,
    /// Immutable. The type of a queue (push or pull).
    ///
    /// `Queue.type` is an immutable property of the queue that is set at the queue
    /// creation time. When left unspecified, the default value of `PUSH` is
    /// selected.
    #[prost(enumeration = "queue::Type", tag = "11")]
    pub r#type: i32,
    /// Output only. The realtime, informational statistics for a queue. In order
    /// to receive the statistics the caller should include this field in the
    /// FieldMask.
    #[prost(message, optional, tag = "12")]
    pub stats: ::core::option::Option<QueueStats>,
    #[prost(oneof = "queue::QueueType", tags = "3")]
    pub queue_type: ::core::option::Option<queue::QueueType>,
}
/// Nested message and enum types in `Queue`.
pub mod queue {
    /// State of the queue.
    #[derive(
        Clone,
        Copy,
        Debug,
        PartialEq,
        Eq,
        Hash,
        PartialOrd,
        Ord,
        ::prost::Enumeration
    )]
    #[repr(i32)]
    pub enum State {
        /// Unspecified state.
        Unspecified = 0,
        /// The queue is running. Tasks can be dispatched.
        ///
        /// If the queue was created using Cloud Tasks and the queue has
        /// had no activity (method calls or task dispatches) for 30 days,
        /// the queue may take a few minutes to re-activate. Some method
        /// calls may return [NOT_FOUND][google.rpc.Code.NOT_FOUND] and
        /// tasks may not be dispatched for a few minutes until the queue
        /// has been re-activated.
        Running = 1,
        /// Tasks are paused by the user. If the queue is paused then Cloud
        /// Tasks will stop delivering tasks from it, but more tasks can
        /// still be added to it by the user.
        Paused = 2,
        /// The queue is disabled.
        ///
        /// A queue becomes `DISABLED` when
        /// [queue.yaml](<https://cloud.google.com/appengine/docs/python/config/queueref>)
        /// or
        /// [queue.xml](<https://cloud.google.com/appengine/docs/standard/java/config/queueref>)
        /// is uploaded which does not contain the queue. You cannot directly disable
        /// a queue.
        ///
        /// When a queue is disabled, tasks can still be added to a queue
        /// but the tasks are not dispatched.
        ///
        /// To permanently delete this queue and all of its tasks, call
        /// [DeleteQueue][google.cloud.tasks.v2beta3.CloudTasks.DeleteQueue].
        Disabled = 3,
    }
    impl State {
        /// String value of the enum field names used in the ProtoBuf definition.
        ///
        /// The values are not transformed in any way and thus are considered stable
        /// (if the ProtoBuf definition does not change) and safe for programmatic use.
        pub fn as_str_name(&self) -> &'static str {
            match self {
                State::Unspecified => "STATE_UNSPECIFIED",
                State::Running => "RUNNING",
                State::Paused => "PAUSED",
                State::Disabled => "DISABLED",
            }
        }
        /// Creates an enum from field names used in the ProtoBuf definition.
        pub fn from_str_name(value: &str) -> ::core::option::Option<Self> {
            match value {
                "STATE_UNSPECIFIED" => Some(Self::Unspecified),
                "RUNNING" => Some(Self::Running),
                "PAUSED" => Some(Self::Paused),
                "DISABLED" => Some(Self::Disabled),
                _ => None,
            }
        }
    }
    /// The type of the queue.
    #[derive(
        Clone,
        Copy,
        Debug,
        PartialEq,
        Eq,
        Hash,
        PartialOrd,
        Ord,
        ::prost::Enumeration
    )]
    #[repr(i32)]
    pub enum Type {
        /// Default value.
        Unspecified = 0,
        /// A pull queue.
        Pull = 1,
        /// A push queue.
        Push = 2,
    }
    impl Type {
        /// String value of the enum field names used in the ProtoBuf definition.
        ///
        /// The values are not transformed in any way and thus are considered stable
        /// (if the ProtoBuf definition does not change) and safe for programmatic use.
        pub fn as_str_name(&self) -> &'static str {
            match self {
                Type::Unspecified => "TYPE_UNSPECIFIED",
                Type::Pull => "PULL",
                Type::Push => "PUSH",
            }
        }
        /// Creates an enum from field names used in the ProtoBuf definition.
        pub fn from_str_name(value: &str) -> ::core::option::Option<Self> {
            match value {
                "TYPE_UNSPECIFIED" => Some(Self::Unspecified),
                "PULL" => Some(Self::Pull),
                "PUSH" => Some(Self::Push),
                _ => None,
            }
        }
    }
    #[derive(Clone, PartialEq, ::prost::Oneof)]
    pub enum QueueType {
        /// [AppEngineHttpQueue][google.cloud.tasks.v2beta3.AppEngineHttpQueue]
        /// settings apply only to [App Engine
        /// tasks][google.cloud.tasks.v2beta3.AppEngineHttpRequest] in this queue.
        /// [Http tasks][google.cloud.tasks.v2beta3.HttpRequest] are not affected by
        /// this proto.
        #[prost(message, tag = "3")]
        AppEngineHttpQueue(super::AppEngineHttpQueue),
    }
}
/// Rate limits.
///
/// This message determines the maximum rate that tasks can be dispatched by a
/// queue, regardless of whether the dispatch is a first task attempt or a retry.
///
/// Note: The debugging command,
/// [RunTask][google.cloud.tasks.v2beta3.CloudTasks.RunTask], will run a task
/// even if the queue has reached its
/// [RateLimits][google.cloud.tasks.v2beta3.RateLimits].
#[derive(Clone, Copy, PartialEq, ::prost::Message)]
pub struct RateLimits {
    /// The maximum rate at which tasks are dispatched from this queue.
    ///
    /// If unspecified when the queue is created, Cloud Tasks will pick the
    /// default.
    ///
    /// * For [App Engine queues][google.cloud.tasks.v2beta3.AppEngineHttpQueue],
    /// the maximum allowed value
    ///    is 500.
    ///
    ///
    /// This field has the same meaning as
    /// [rate in
    /// queue.yaml/xml](<https://cloud.google.com/appengine/docs/standard/python/config/queueref#rate>).
    #[prost(double, tag = "1")]
    pub max_dispatches_per_second: f64,
    /// The max burst size.
    ///
    /// Max burst size limits how fast tasks in queue are processed when
    /// many tasks are in the queue and the rate is high. This field
    /// allows the queue to have a high rate so processing starts shortly
    /// after a task is enqueued, but still limits resource usage when
    /// many tasks are enqueued in a short period of time.
    ///
    /// The [token bucket](<https://wikipedia.org/wiki/Token_Bucket>)
    /// algorithm is used to control the rate of task dispatches. Each
    /// queue has a token bucket that holds tokens, up to the maximum
    /// specified by `max_burst_size`. Each time a task is dispatched, a
    /// token is removed from the bucket. Tasks will be dispatched until
    /// the queue's bucket runs out of tokens. The bucket will be
    /// continuously refilled with new tokens based on
    /// [max_dispatches_per_second][google.cloud.tasks.v2beta3.RateLimits.max_dispatches_per_second].
    ///
    /// The default value of `max_burst_size` is picked by Cloud Tasks
    /// based on the value of
    /// [max_dispatches_per_second][google.cloud.tasks.v2beta3.RateLimits.max_dispatches_per_second].
    ///
    /// The maximum value of `max_burst_size` is 500.
    ///
    /// For App Engine queues that were created or updated using
    /// `queue.yaml/xml`, `max_burst_size` is equal to
    /// [bucket_size](<https://cloud.google.com/appengine/docs/standard/python/config/queueref#bucket_size>).
    /// If
    /// [UpdateQueue][google.cloud.tasks.v2beta3.CloudTasks.UpdateQueue] is called
    /// on a queue without explicitly setting a value for `max_burst_size`,
    /// `max_burst_size` value will get updated if
    /// [UpdateQueue][google.cloud.tasks.v2beta3.CloudTasks.UpdateQueue] is
    /// updating
    /// [max_dispatches_per_second][google.cloud.tasks.v2beta3.RateLimits.max_dispatches_per_second].
    ///
    #[prost(int32, tag = "2")]
    pub max_burst_size: i32,
    /// The maximum number of concurrent tasks that Cloud Tasks allows
    /// to be dispatched for this queue. After this threshold has been
    /// reached, Cloud Tasks stops dispatching tasks until the number of
    /// concurrent requests decreases.
    ///
    /// If unspecified when the queue is created, Cloud Tasks will pick the
    /// default.
    ///
    ///
    /// The maximum allowed value is 5,000.
    ///
    ///
    /// This field has the same meaning as
    /// [max_concurrent_requests in
    /// queue.yaml/xml](<https://cloud.google.com/appengine/docs/standard/python/config/queueref#max_concurrent_requests>).
    #[prost(int32, tag = "3")]
    pub max_concurrent_dispatches: i32,
}
/// Retry config.
///
/// These settings determine when a failed task attempt is retried.
#[derive(Clone, Copy, PartialEq, ::prost::Message)]
pub struct RetryConfig {
    /// Number of attempts per task.
    ///
    /// Cloud Tasks will attempt the task `max_attempts` times (that is, if the
    /// first attempt fails, then there will be `max_attempts - 1` retries). Must
    /// be >= -1.
    ///
    /// If unspecified when the queue is created, Cloud Tasks will pick the
    /// default.
    ///
    /// -1 indicates unlimited attempts.
    ///
    /// This field has the same meaning as
    /// [task_retry_limit in
    /// queue.yaml/xml](<https://cloud.google.com/appengine/docs/standard/python/config/queueref#retry_parameters>).
    #[prost(int32, tag = "1")]
    pub max_attempts: i32,
    /// If positive, `max_retry_duration` specifies the time limit for
    /// retrying a failed task, measured from when the task was first
    /// attempted. Once `max_retry_duration` time has passed *and* the
    /// task has been attempted
    /// [max_attempts][google.cloud.tasks.v2beta3.RetryConfig.max_attempts] times,
    /// no further attempts will be made and the task will be deleted.
    ///
    /// If zero, then the task age is unlimited.
    ///
    /// If unspecified when the queue is created, Cloud Tasks will pick the
    /// default.
    ///
    ///
    /// `max_retry_duration` will be truncated to the nearest second.
    ///
    /// This field has the same meaning as
    /// [task_age_limit in
    /// queue.yaml/xml](<https://cloud.google.com/appengine/docs/standard/python/config/queueref#retry_parameters>).
    #[prost(message, optional, tag = "2")]
    pub max_retry_duration: ::core::option::Option<::prost_types::Duration>,
    /// A task will be [scheduled][google.cloud.tasks.v2beta3.Task.schedule_time]
    /// for retry between
    /// [min_backoff][google.cloud.tasks.v2beta3.RetryConfig.min_backoff] and
    /// [max_backoff][google.cloud.tasks.v2beta3.RetryConfig.max_backoff] duration
    /// after it fails, if the queue's
    /// [RetryConfig][google.cloud.tasks.v2beta3.RetryConfig] specifies that the
    /// task should be retried.
    ///
    /// If unspecified when the queue is created, Cloud Tasks will pick the
    /// default.
    ///
    ///
    /// `min_backoff` will be truncated to the nearest second.
    ///
    /// This field has the same meaning as
    /// [min_backoff_seconds in
    /// queue.yaml/xml](<https://cloud.google.com/appengine/docs/standard/python/config/queueref#retry_parameters>).
    #[prost(message, optional, tag = "3")]
    pub min_backoff: ::core::option::Option<::prost_types::Duration>,
    /// A task will be [scheduled][google.cloud.tasks.v2beta3.Task.schedule_time]
    /// for retry between
    /// [min_backoff][google.cloud.tasks.v2beta3.RetryConfig.min_backoff] and
    /// [max_backoff][google.cloud.tasks.v2beta3.RetryConfig.max_backoff] duration
    /// after it fails, if the queue's
    /// [RetryConfig][google.cloud.tasks.v2beta3.RetryConfig] specifies that the
    /// task should be retried.
    ///
    /// If unspecified when the queue is created, Cloud Tasks will pick the
    /// default.
    ///
    ///
    /// `max_backoff` will be truncated to the nearest second.
    ///
    /// This field has the same meaning as
    /// [max_backoff_seconds in
    /// queue.yaml/xml](<https://cloud.google.com/appengine/docs/standard/python/config/queueref#retry_parameters>).
    #[prost(message, optional, tag = "4")]
    pub max_backoff: ::core::option::Option<::prost_types::Duration>,
    /// The time between retries will double `max_doublings` times.
    ///
    /// A task's retry interval starts at
    /// [min_backoff][google.cloud.tasks.v2beta3.RetryConfig.min_backoff], then
    /// doubles `max_doublings` times, then increases linearly, and finally retries
    /// at intervals of
    /// [max_backoff][google.cloud.tasks.v2beta3.RetryConfig.max_backoff] up to
    /// [max_attempts][google.cloud.tasks.v2beta3.RetryConfig.max_attempts] times.
    ///
    /// For example, if
    /// [min_backoff][google.cloud.tasks.v2beta3.RetryConfig.min_backoff] is 10s,
    /// [max_backoff][google.cloud.tasks.v2beta3.RetryConfig.max_backoff] is 300s,
    /// and `max_doublings` is 3, then the a task will first be retried in 10s. The
    /// retry interval will double three times, and then increase linearly by 2^3 *
    /// 10s.  Finally, the task will retry at intervals of
    /// [max_backoff][google.cloud.tasks.v2beta3.RetryConfig.max_backoff] until the
    /// task has been attempted
    /// [max_attempts][google.cloud.tasks.v2beta3.RetryConfig.max_attempts] times.
    /// Thus, the requests will retry at 10s, 20s, 40s, 80s, 160s, 240s, 300s,
    /// 300s, ....
    ///
    /// If unspecified when the queue is created, Cloud Tasks will pick the
    /// default.
    ///
    ///
    /// This field has the same meaning as
    /// [max_doublings in
    /// queue.yaml/xml](<https://cloud.google.com/appengine/docs/standard/python/config/queueref#retry_parameters>).
    #[prost(int32, tag = "5")]
    pub max_doublings: i32,
}
/// Configuration options for writing logs to
/// [Stackdriver Logging](<https://cloud.google.com/logging/docs/>).
#[derive(Clone, Copy, PartialEq, ::prost::Message)]
pub struct StackdriverLoggingConfig {
    /// Specifies the fraction of operations to write to
    /// [Stackdriver Logging](<https://cloud.google.com/logging/docs/>).
    /// This field may contain any value between 0.0 and 1.0, inclusive.
    /// 0.0 is the default and means that no operations are logged.
    #[prost(double, tag = "1")]
    pub sampling_ratio: f64,
}
/// Statistics for a queue.
#[derive(Clone, Copy, PartialEq, ::prost::Message)]
pub struct QueueStats {
    /// Output only. An estimation of the number of tasks in the queue, that is,
    /// the tasks in the queue that haven't been executed, the tasks in the queue
    /// which the queue has dispatched but has not yet received a reply for, and
    /// the failed tasks that the queue is retrying.
    #[prost(int64, tag = "1")]
    pub tasks_count: i64,
    /// Output only. An estimation of the nearest time in the future where a task
    /// in the queue is scheduled to be executed.
    #[prost(message, optional, tag = "2")]
    pub oldest_estimated_arrival_time: ::core::option::Option<::prost_types::Timestamp>,
    /// Output only. The number of tasks that the queue has dispatched and received
    /// a reply for during the last minute. This variable counts both successful
    /// and non-successful executions.
    #[prost(int64, tag = "3")]
    pub executed_last_minute_count: i64,
    /// Output only. The number of requests that the queue has dispatched but has
    /// not received a reply for yet.
    #[prost(int64, tag = "4")]
    pub concurrent_dispatches_count: i64,
    /// Output only. The current maximum number of tasks per second executed by the
    /// queue. The maximum value of this variable is controlled by the RateLimits
    /// of the Queue. However, this value could be less to avoid overloading the
    /// endpoints tasks in the queue are targeting.
    #[prost(double, tag = "5")]
    pub effective_execution_rate: f64,
}
/// A unit of scheduled work.
#[derive(Clone, PartialEq, ::prost::Message)]
pub struct Task {
    /// Optionally caller-specified in
    /// [CreateTask][google.cloud.tasks.v2beta3.CloudTasks.CreateTask].
    ///
    /// The task name.
    ///
    /// The task name must have the following format:
    /// `projects/PROJECT_ID/locations/LOCATION_ID/queues/QUEUE_ID/tasks/TASK_ID`
    ///
    /// * `PROJECT_ID` can contain letters (\[A-Za-z\]), numbers (\[0-9\]),
    ///     hyphens (-), colons (:), or periods (.).
    ///     For more information, see
    ///     [Identifying
    ///     projects](<https://cloud.google.com/resource-manager/docs/creating-managing-projects#identifying_projects>)
    /// * `LOCATION_ID` is the canonical ID for the task's location.
    ///     The list of available locations can be obtained by calling
    ///     [ListLocations][google.cloud.location.Locations.ListLocations].
    ///     For more information, see <https://cloud.google.com/about/locations/.>
    /// * `QUEUE_ID` can contain letters (\[A-Za-z\]), numbers (\[0-9\]), or
    ///    hyphens (-). The maximum length is 100 characters.
    /// * `TASK_ID` can contain only letters (\[A-Za-z\]), numbers (\[0-9\]),
    ///    hyphens (-), or underscores (_). The maximum length is 500 characters.
    #[prost(string, tag = "1")]
    pub name: ::prost::alloc::string::String,
    /// The time when the task is scheduled to be attempted.
    ///
    /// For App Engine queues, this is when the task will be attempted or retried.
    ///
    /// `schedule_time` will be truncated to the nearest microsecond.
    #[prost(message, optional, tag = "4")]
    pub schedule_time: ::core::option::Option<::prost_types::Timestamp>,
    /// Output only. The time that the task was created.
    ///
    /// `create_time` will be truncated to the nearest second.
    #[prost(message, optional, tag = "5")]
    pub create_time: ::core::option::Option<::prost_types::Timestamp>,
    /// The deadline for requests sent to the worker. If the worker does not
    /// respond by this deadline then the request is cancelled and the attempt
    /// is marked as a `DEADLINE_EXCEEDED` failure. Cloud Tasks will retry the
    /// task according to the
    /// [RetryConfig][google.cloud.tasks.v2beta3.RetryConfig].
    ///
    /// Note that when the request is cancelled, Cloud Tasks will stop listening
    /// for the response, but whether the worker stops processing depends on the
    /// worker. For example, if the worker is stuck, it may not react to cancelled
    /// requests.
    ///
    /// The default and maximum values depend on the type of request:
    ///
    /// * For [HTTP tasks][google.cloud.tasks.v2beta3.HttpRequest], the default is
    /// 10 minutes. The deadline
    ///    must be in the interval \[15 seconds, 30 minutes\].
    ///
    /// * For [App Engine tasks][google.cloud.tasks.v2beta3.AppEngineHttpRequest],
    /// 0 indicates that the
    ///    request has the default deadline. The default deadline depends on the
    ///    [scaling
    ///    type](<https://cloud.google.com/appengine/docs/standard/go/how-instances-are-managed#instance_scaling>)
    ///    of the service: 10 minutes for standard apps with automatic scaling, 24
    ///    hours for standard apps with manual and basic scaling, and 60 minutes for
    ///    flex apps. If the request deadline is set, it must be in the interval [15
    ///    seconds, 24 hours 15 seconds]. Regardless of the task's
    ///    `dispatch_deadline`, the app handler will not run for longer than than
    ///    the service's timeout. We recommend setting the `dispatch_deadline` to
    ///    at most a few seconds more than the app handler's timeout. For more
    ///    information see
    ///    [Timeouts](<https://cloud.google.com/tasks/docs/creating-appengine-handlers#timeouts>).
    ///
    /// `dispatch_deadline` will be truncated to the nearest millisecond. The
    /// deadline is an approximate deadline.
    #[prost(message, optional, tag = "12")]
    pub dispatch_deadline: ::core::option::Option<::prost_types::Duration>,
    /// Output only. The number of attempts dispatched.
    ///
    /// This count includes attempts which have been dispatched but haven't
    /// received a response.
    #[prost(int32, tag = "6")]
    pub dispatch_count: i32,
    /// Output only. The number of attempts which have received a response.
    #[prost(int32, tag = "7")]
    pub response_count: i32,
    /// Output only. The status of the task's first attempt.
    ///
    /// Only [dispatch_time][google.cloud.tasks.v2beta3.Attempt.dispatch_time] will
    /// be set. The other [Attempt][google.cloud.tasks.v2beta3.Attempt] information
    /// is not retained by Cloud Tasks.
    #[prost(message, optional, tag = "8")]
    pub first_attempt: ::core::option::Option<Attempt>,
    /// Output only. The status of the task's last attempt.
    #[prost(message, optional, tag = "9")]
    pub last_attempt: ::core::option::Option<Attempt>,
    /// Output only. The view specifies which subset of the
    /// [Task][google.cloud.tasks.v2beta3.Task] has been returned.
    #[prost(enumeration = "task::View", tag = "10")]
    pub view: i32,
    /// Required. The message to send to the worker.
    #[prost(oneof = "task::PayloadType", tags = "3, 11, 13")]
    pub payload_type: ::core::option::Option<task::PayloadType>,
}
/// Nested message and enum types in `Task`.
pub mod task {
    /// The view specifies a subset of [Task][google.cloud.tasks.v2beta3.Task]
    /// data.
    ///
    /// When a task is returned in a response, 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.
    #[derive(
        Clone,
        Copy,
        Debug,
        PartialEq,
        Eq,
        Hash,
        PartialOrd,
        Ord,
        ::prost::Enumeration
    )]
    #[repr(i32)]
    pub enum View {
        /// Unspecified. Defaults to BASIC.
        Unspecified = 0,
        /// The basic view omits fields which can be large or can contain
        /// sensitive data.
        ///
        /// This view does not include the
        /// [body in
        /// AppEngineHttpRequest][google.cloud.tasks.v2beta3.AppEngineHttpRequest.body].
        /// Bodies are desirable to return only when needed, because they
        /// can be large and because of the sensitivity of the data that you
        /// choose to store in it.
        Basic = 1,
        /// All information is returned.
        ///
        /// Authorization for [FULL][google.cloud.tasks.v2beta3.Task.View.FULL]
        /// requires `cloudtasks.tasks.fullView` [Google
        /// IAM](<https://cloud.google.com/iam/>) permission on the
        /// [Queue][google.cloud.tasks.v2beta3.Queue] resource.
        Full = 2,
    }
    impl View {
        /// String value of the enum field names used in the ProtoBuf definition.
        ///
        /// The values are not transformed in any way and thus are considered stable
        /// (if the ProtoBuf definition does not change) and safe for programmatic use.
        pub fn as_str_name(&self) -> &'static str {
            match self {
                View::Unspecified => "VIEW_UNSPECIFIED",
                View::Basic => "BASIC",
                View::Full => "FULL",
            }
        }
        /// Creates an enum from field names used in the ProtoBuf definition.
        pub fn from_str_name(value: &str) -> ::core::option::Option<Self> {
            match value {
                "VIEW_UNSPECIFIED" => Some(Self::Unspecified),
                "BASIC" => Some(Self::Basic),
                "FULL" => Some(Self::Full),
                _ => None,
            }
        }
    }
    /// Required. The message to send to the worker.
    #[derive(Clone, PartialEq, ::prost::Oneof)]
    pub enum PayloadType {
        /// HTTP request that is sent to the App Engine app handler.
        ///
        /// An App Engine task is a task that has
        /// [AppEngineHttpRequest][google.cloud.tasks.v2beta3.AppEngineHttpRequest]
        /// set.
        #[prost(message, tag = "3")]
        AppEngineHttpRequest(super::AppEngineHttpRequest),
        /// HTTP request that is sent to the task's target.
        ///
        /// An HTTP task is a task that has
        /// [HttpRequest][google.cloud.tasks.v2beta3.HttpRequest] set.
        #[prost(message, tag = "11")]
        HttpRequest(super::HttpRequest),
        /// Pull Message contained in a task in a
        /// [PULL][google.cloud.tasks.v2beta3.Queue.type] queue type. This payload
        /// type cannot be explicitly set through Cloud Tasks API. Its purpose,
        /// currently is to provide backward compatibility with App Engine Task Queue
        /// [pull](<https://cloud.google.com/appengine/docs/standard/java/taskqueue/pull/>)
        /// queues to provide a way to inspect contents of pull tasks through the
        /// [CloudTasks.GetTask][google.cloud.tasks.v2beta3.CloudTasks.GetTask].
        #[prost(message, tag = "13")]
        PullMessage(super::PullMessage),
    }
}
/// The status of a task attempt.
#[derive(Clone, PartialEq, ::prost::Message)]
pub struct Attempt {
    /// Output only. The time that this attempt was scheduled.
    ///
    /// `schedule_time` will be truncated to the nearest microsecond.
    #[prost(message, optional, tag = "1")]
    pub schedule_time: ::core::option::Option<::prost_types::Timestamp>,
    /// Output only. The time that this attempt was dispatched.
    ///
    /// `dispatch_time` will be truncated to the nearest microsecond.
    #[prost(message, optional, tag = "2")]
    pub dispatch_time: ::core::option::Option<::prost_types::Timestamp>,
    /// Output only. The time that this attempt response was received.
    ///
    /// `response_time` will be truncated to the nearest microsecond.
    #[prost(message, optional, tag = "3")]
    pub response_time: ::core::option::Option<::prost_types::Timestamp>,
    /// Output only. The response from the worker for this attempt.
    ///
    /// If `response_time` is unset, then the task has not been attempted or is
    /// currently running and the `response_status` field is meaningless.
    #[prost(message, optional, tag = "4")]
    pub response_status: ::core::option::Option<super::super::super::rpc::Status>,
}
/// Request message for
/// [ListQueues][google.cloud.tasks.v2beta3.CloudTasks.ListQueues].
#[derive(Clone, PartialEq, ::prost::Message)]
pub struct ListQueuesRequest {
    /// Required. The location name.
    /// For example: `projects/PROJECT_ID/locations/LOCATION_ID`
    #[prost(string, tag = "1")]
    pub parent: ::prost::alloc::string::String,
    /// `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.
    #[prost(string, tag = "2")]
    pub filter: ::prost::alloc::string::String,
    /// 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.
    #[prost(int32, tag = "3")]
    pub page_size: i32,
    /// 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.
    #[prost(string, tag = "4")]
    pub page_token: ::prost::alloc::string::String,
    /// 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.
    #[prost(message, optional, tag = "5")]
    pub read_mask: ::core::option::Option<::prost_types::FieldMask>,
}
/// Response message for
/// [ListQueues][google.cloud.tasks.v2beta3.CloudTasks.ListQueues].
#[derive(Clone, PartialEq, ::prost::Message)]
pub struct ListQueuesResponse {
    /// The list of queues.
    #[prost(message, repeated, tag = "1")]
    pub queues: ::prost::alloc::vec::Vec<Queue>,
    /// 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.
    #[prost(string, tag = "2")]
    pub next_page_token: ::prost::alloc::string::String,
}
/// Request message for
/// [GetQueue][google.cloud.tasks.v2beta3.CloudTasks.GetQueue].
#[derive(Clone, PartialEq, ::prost::Message)]
pub struct GetQueueRequest {
    /// Required. The resource name of the queue. For example:
    /// `projects/PROJECT_ID/locations/LOCATION_ID/queues/QUEUE_ID`
    #[prost(string, tag = "1")]
    pub name: ::prost::alloc::string::String,
    /// 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.
    #[prost(message, optional, tag = "2")]
    pub read_mask: ::core::option::Option<::prost_types::FieldMask>,
}
/// Request message for
/// [CreateQueue][google.cloud.tasks.v2beta3.CloudTasks.CreateQueue].
#[derive(Clone, PartialEq, ::prost::Message)]
pub struct 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].
    #[prost(string, tag = "1")]
    pub parent: ::prost::alloc::string::String,
    /// Required. The queue to create.
    ///
    /// [Queue's name][google.cloud.tasks.v2beta3.Queue.name] cannot be the same as
    /// an existing queue.
    #[prost(message, optional, tag = "2")]
    pub queue: ::core::option::Option<Queue>,
}
/// Request message for
/// [UpdateQueue][google.cloud.tasks.v2beta3.CloudTasks.UpdateQueue].
#[derive(Clone, PartialEq, ::prost::Message)]
pub struct 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.
    #[prost(message, optional, tag = "1")]
    pub queue: ::core::option::Option<Queue>,
    /// A mask used to specify which fields of the queue are being updated.
    ///
    /// If empty, then all fields will be updated.
    #[prost(message, optional, tag = "2")]
    pub update_mask: ::core::option::Option<::prost_types::FieldMask>,
}
/// Request message for
/// [DeleteQueue][google.cloud.tasks.v2beta3.CloudTasks.DeleteQueue].
#[derive(Clone, PartialEq, ::prost::Message)]
pub struct DeleteQueueRequest {
    /// Required. The queue name. For example:
    /// `projects/PROJECT_ID/locations/LOCATION_ID/queues/QUEUE_ID`
    #[prost(string, tag = "1")]
    pub name: ::prost::alloc::string::String,
}
/// Request message for
/// [PurgeQueue][google.cloud.tasks.v2beta3.CloudTasks.PurgeQueue].
#[derive(Clone, PartialEq, ::prost::Message)]
pub struct PurgeQueueRequest {
    /// Required. The queue name. For example:
    /// `projects/PROJECT_ID/location/LOCATION_ID/queues/QUEUE_ID`
    #[prost(string, tag = "1")]
    pub name: ::prost::alloc::string::String,
}
/// Request message for
/// [PauseQueue][google.cloud.tasks.v2beta3.CloudTasks.PauseQueue].
#[derive(Clone, PartialEq, ::prost::Message)]
pub struct PauseQueueRequest {
    /// Required. The queue name. For example:
    /// `projects/PROJECT_ID/location/LOCATION_ID/queues/QUEUE_ID`
    #[prost(string, tag = "1")]
    pub name: ::prost::alloc::string::String,
}
/// Request message for
/// [ResumeQueue][google.cloud.tasks.v2beta3.CloudTasks.ResumeQueue].
#[derive(Clone, PartialEq, ::prost::Message)]
pub struct ResumeQueueRequest {
    /// Required. The queue name. For example:
    /// `projects/PROJECT_ID/location/LOCATION_ID/queues/QUEUE_ID`
    #[prost(string, tag = "1")]
    pub name: ::prost::alloc::string::String,
}
/// Request message for listing tasks using
/// [ListTasks][google.cloud.tasks.v2beta3.CloudTasks.ListTasks].
#[derive(Clone, PartialEq, ::prost::Message)]
pub struct ListTasksRequest {
    /// Required. The queue name. For example:
    /// `projects/PROJECT_ID/locations/LOCATION_ID/queues/QUEUE_ID`
    #[prost(string, tag = "1")]
    pub parent: ::prost::alloc::string::String,
    /// 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.
    #[prost(enumeration = "task::View", tag = "2")]
    pub response_view: i32,
    /// 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.
    #[prost(int32, tag = "3")]
    pub page_size: i32,
    /// 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.
    #[prost(string, tag = "4")]
    pub page_token: ::prost::alloc::string::String,
}
/// Response message for listing tasks using
/// [ListTasks][google.cloud.tasks.v2beta3.CloudTasks.ListTasks].
#[derive(Clone, PartialEq, ::prost::Message)]
pub struct ListTasksResponse {
    /// The list of tasks.
    #[prost(message, repeated, tag = "1")]
    pub tasks: ::prost::alloc::vec::Vec<Task>,
    /// 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.
    #[prost(string, tag = "2")]
    pub next_page_token: ::prost::alloc::string::String,
}
/// Request message for getting a task using
/// [GetTask][google.cloud.tasks.v2beta3.CloudTasks.GetTask].
#[derive(Clone, PartialEq, ::prost::Message)]
pub struct GetTaskRequest {
    /// Required. The task name. For example:
    /// `projects/PROJECT_ID/locations/LOCATION_ID/queues/QUEUE_ID/tasks/TASK_ID`
    #[prost(string, tag = "1")]
    pub name: ::prost::alloc::string::String,
    /// 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.
    #[prost(enumeration = "task::View", tag = "2")]
    pub response_view: i32,
}
/// Request message for
/// [CreateTask][google.cloud.tasks.v2beta3.CloudTasks.CreateTask].
#[derive(Clone, PartialEq, ::prost::Message)]
pub struct CreateTaskRequest {
    /// Required. The queue name. For example:
    /// `projects/PROJECT_ID/locations/LOCATION_ID/queues/QUEUE_ID`
    ///
    /// The queue must already exist.
    #[prost(string, tag = "1")]
    pub parent: ::prost::alloc::string::String,
    /// 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].
    /// If the task's queue was created using Cloud Tasks, then another task with
    /// the same name can't be created for ~1 hour after the original task was
    /// deleted or executed. If the task's queue was created using queue.yaml or
    /// queue.xml, then another task with the same name can't be created
    /// for ~9 days after the original task was deleted or executed.
    ///
    /// 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.
    #[prost(message, optional, tag = "2")]
    pub task: ::core::option::Option<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.
    #[prost(enumeration = "task::View", tag = "3")]
    pub response_view: i32,
}
/// Request message for deleting a task using
/// [DeleteTask][google.cloud.tasks.v2beta3.CloudTasks.DeleteTask].
#[derive(Clone, PartialEq, ::prost::Message)]
pub struct DeleteTaskRequest {
    /// Required. The task name. For example:
    /// `projects/PROJECT_ID/locations/LOCATION_ID/queues/QUEUE_ID/tasks/TASK_ID`
    #[prost(string, tag = "1")]
    pub name: ::prost::alloc::string::String,
}
/// Request message for forcing a task to run now using
/// [RunTask][google.cloud.tasks.v2beta3.CloudTasks.RunTask].
#[derive(Clone, PartialEq, ::prost::Message)]
pub struct RunTaskRequest {
    /// Required. The task name. For example:
    /// `projects/PROJECT_ID/locations/LOCATION_ID/queues/QUEUE_ID/tasks/TASK_ID`
    #[prost(string, tag = "1")]
    pub name: ::prost::alloc::string::String,
    /// 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.
    #[prost(enumeration = "task::View", tag = "2")]
    pub response_view: i32,
}
/// Generated client implementations.
pub mod cloud_tasks_client {
    #![allow(unused_variables, dead_code, missing_docs, clippy::let_unit_value)]
    use tonic::codegen::*;
    use tonic::codegen::http::Uri;
    /// Cloud Tasks allows developers to manage the execution of background
    /// work in their applications.
    #[derive(Debug, Clone)]
    pub struct CloudTasksClient<T> {
        inner: tonic::client::Grpc<T>,
    }
    impl<T> CloudTasksClient<T>
    where
        T: tonic::client::GrpcService<tonic::body::BoxBody>,
        T::Error: Into<StdError>,
        T::ResponseBody: Body<Data = Bytes> + std::marker::Send + 'static,
        <T::ResponseBody as Body>::Error: Into<StdError> + std::marker::Send,
    {
        pub fn new(inner: T) -> Self {
            let inner = tonic::client::Grpc::new(inner);
            Self { inner }
        }
        pub fn with_origin(inner: T, origin: Uri) -> Self {
            let inner = tonic::client::Grpc::with_origin(inner, origin);
            Self { inner }
        }
        pub fn with_interceptor<F>(
            inner: T,
            interceptor: F,
        ) -> CloudTasksClient<InterceptedService<T, F>>
        where
            F: tonic::service::Interceptor,
            T::ResponseBody: Default,
            T: tonic::codegen::Service<
                http::Request<tonic::body::BoxBody>,
                Response = http::Response<
                    <T as tonic::client::GrpcService<tonic::body::BoxBody>>::ResponseBody,
                >,
            >,
            <T as tonic::codegen::Service<
                http::Request<tonic::body::BoxBody>,
            >>::Error: Into<StdError> + std::marker::Send + std::marker::Sync,
        {
            CloudTasksClient::new(InterceptedService::new(inner, interceptor))
        }
        /// Compress requests with the given encoding.
        ///
        /// This requires the server to support it otherwise it might respond with an
        /// error.
        #[must_use]
        pub fn send_compressed(mut self, encoding: CompressionEncoding) -> Self {
            self.inner = self.inner.send_compressed(encoding);
            self
        }
        /// Enable decompressing responses.
        #[must_use]
        pub fn accept_compressed(mut self, encoding: CompressionEncoding) -> Self {
            self.inner = self.inner.accept_compressed(encoding);
            self
        }
        /// Limits the maximum size of a decoded message.
        ///
        /// Default: `4MB`
        #[must_use]
        pub fn max_decoding_message_size(mut self, limit: usize) -> Self {
            self.inner = self.inner.max_decoding_message_size(limit);
            self
        }
        /// Limits the maximum size of an encoded message.
        ///
        /// Default: `usize::MAX`
        #[must_use]
        pub fn max_encoding_message_size(mut self, limit: usize) -> Self {
            self.inner = self.inner.max_encoding_message_size(limit);
            self
        }
        /// Lists queues.
        ///
        /// Queues are returned in lexicographical order.
        pub async fn list_queues(
            &mut self,
            request: impl tonic::IntoRequest<super::ListQueuesRequest>,
        ) -> std::result::Result<
            tonic::Response<super::ListQueuesResponse>,
            tonic::Status,
        > {
            self.inner
                .ready()
                .await
                .map_err(|e| {
                    tonic::Status::new(
                        tonic::Code::Unknown,
                        format!("Service was not ready: {}", e.into()),
                    )
                })?;
            let codec = tonic::codec::ProstCodec::default();
            let path = http::uri::PathAndQuery::from_static(
                "/google.cloud.tasks.v2beta3.CloudTasks/ListQueues",
            );
            let mut req = request.into_request();
            req.extensions_mut()
                .insert(
                    GrpcMethod::new(
                        "google.cloud.tasks.v2beta3.CloudTasks",
                        "ListQueues",
                    ),
                );
            self.inner.unary(req, path, codec).await
        }
        /// Gets a queue.
        pub async fn get_queue(
            &mut self,
            request: impl tonic::IntoRequest<super::GetQueueRequest>,
        ) -> std::result::Result<tonic::Response<super::Queue>, tonic::Status> {
            self.inner
                .ready()
                .await
                .map_err(|e| {
                    tonic::Status::new(
                        tonic::Code::Unknown,
                        format!("Service was not ready: {}", e.into()),
                    )
                })?;
            let codec = tonic::codec::ProstCodec::default();
            let path = http::uri::PathAndQuery::from_static(
                "/google.cloud.tasks.v2beta3.CloudTasks/GetQueue",
            );
            let mut req = request.into_request();
            req.extensions_mut()
                .insert(
                    GrpcMethod::new("google.cloud.tasks.v2beta3.CloudTasks", "GetQueue"),
                );
            self.inner.unary(req, path, codec).await
        }
        /// 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.
        pub async fn create_queue(
            &mut self,
            request: impl tonic::IntoRequest<super::CreateQueueRequest>,
        ) -> std::result::Result<tonic::Response<super::Queue>, tonic::Status> {
            self.inner
                .ready()
                .await
                .map_err(|e| {
                    tonic::Status::new(
                        tonic::Code::Unknown,
                        format!("Service was not ready: {}", e.into()),
                    )
                })?;
            let codec = tonic::codec::ProstCodec::default();
            let path = http::uri::PathAndQuery::from_static(
                "/google.cloud.tasks.v2beta3.CloudTasks/CreateQueue",
            );
            let mut req = request.into_request();
            req.extensions_mut()
                .insert(
                    GrpcMethod::new(
                        "google.cloud.tasks.v2beta3.CloudTasks",
                        "CreateQueue",
                    ),
                );
            self.inner.unary(req, path, codec).await
        }
        /// 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.
        pub async fn update_queue(
            &mut self,
            request: impl tonic::IntoRequest<super::UpdateQueueRequest>,
        ) -> std::result::Result<tonic::Response<super::Queue>, tonic::Status> {
            self.inner
                .ready()
                .await
                .map_err(|e| {
                    tonic::Status::new(
                        tonic::Code::Unknown,
                        format!("Service was not ready: {}", e.into()),
                    )
                })?;
            let codec = tonic::codec::ProstCodec::default();
            let path = http::uri::PathAndQuery::from_static(
                "/google.cloud.tasks.v2beta3.CloudTasks/UpdateQueue",
            );
            let mut req = request.into_request();
            req.extensions_mut()
                .insert(
                    GrpcMethod::new(
                        "google.cloud.tasks.v2beta3.CloudTasks",
                        "UpdateQueue",
                    ),
                );
            self.inner.unary(req, path, codec).await
        }
        /// Deletes a queue.
        ///
        /// This command will delete the queue even if it has tasks in it.
        ///
        /// Note: If you delete a queue, a queue with the same name can't be created
        /// for 7 days.
        ///
        /// 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.
        pub async fn delete_queue(
            &mut self,
            request: impl tonic::IntoRequest<super::DeleteQueueRequest>,
        ) -> std::result::Result<tonic::Response<()>, tonic::Status> {
            self.inner
                .ready()
                .await
                .map_err(|e| {
                    tonic::Status::new(
                        tonic::Code::Unknown,
                        format!("Service was not ready: {}", e.into()),
                    )
                })?;
            let codec = tonic::codec::ProstCodec::default();
            let path = http::uri::PathAndQuery::from_static(
                "/google.cloud.tasks.v2beta3.CloudTasks/DeleteQueue",
            );
            let mut req = request.into_request();
            req.extensions_mut()
                .insert(
                    GrpcMethod::new(
                        "google.cloud.tasks.v2beta3.CloudTasks",
                        "DeleteQueue",
                    ),
                );
            self.inner.unary(req, path, codec).await
        }
        /// 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.
        pub async fn purge_queue(
            &mut self,
            request: impl tonic::IntoRequest<super::PurgeQueueRequest>,
        ) -> std::result::Result<tonic::Response<super::Queue>, tonic::Status> {
            self.inner
                .ready()
                .await
                .map_err(|e| {
                    tonic::Status::new(
                        tonic::Code::Unknown,
                        format!("Service was not ready: {}", e.into()),
                    )
                })?;
            let codec = tonic::codec::ProstCodec::default();
            let path = http::uri::PathAndQuery::from_static(
                "/google.cloud.tasks.v2beta3.CloudTasks/PurgeQueue",
            );
            let mut req = request.into_request();
            req.extensions_mut()
                .insert(
                    GrpcMethod::new(
                        "google.cloud.tasks.v2beta3.CloudTasks",
                        "PurgeQueue",
                    ),
                );
            self.inner.unary(req, path, codec).await
        }
        /// 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].
        pub async fn pause_queue(
            &mut self,
            request: impl tonic::IntoRequest<super::PauseQueueRequest>,
        ) -> std::result::Result<tonic::Response<super::Queue>, tonic::Status> {
            self.inner
                .ready()
                .await
                .map_err(|e| {
                    tonic::Status::new(
                        tonic::Code::Unknown,
                        format!("Service was not ready: {}", e.into()),
                    )
                })?;
            let codec = tonic::codec::ProstCodec::default();
            let path = http::uri::PathAndQuery::from_static(
                "/google.cloud.tasks.v2beta3.CloudTasks/PauseQueue",
            );
            let mut req = request.into_request();
            req.extensions_mut()
                .insert(
                    GrpcMethod::new(
                        "google.cloud.tasks.v2beta3.CloudTasks",
                        "PauseQueue",
                    ),
                );
            self.inner.unary(req, path, codec).await
        }
        /// 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).
        pub async fn resume_queue(
            &mut self,
            request: impl tonic::IntoRequest<super::ResumeQueueRequest>,
        ) -> std::result::Result<tonic::Response<super::Queue>, tonic::Status> {
            self.inner
                .ready()
                .await
                .map_err(|e| {
                    tonic::Status::new(
                        tonic::Code::Unknown,
                        format!("Service was not ready: {}", e.into()),
                    )
                })?;
            let codec = tonic::codec::ProstCodec::default();
            let path = http::uri::PathAndQuery::from_static(
                "/google.cloud.tasks.v2beta3.CloudTasks/ResumeQueue",
            );
            let mut req = request.into_request();
            req.extensions_mut()
                .insert(
                    GrpcMethod::new(
                        "google.cloud.tasks.v2beta3.CloudTasks",
                        "ResumeQueue",
                    ),
                );
            self.inner.unary(req, path, codec).await
        }
        /// 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`
        pub async fn get_iam_policy(
            &mut self,
            request: impl tonic::IntoRequest<
                super::super::super::super::iam::v1::GetIamPolicyRequest,
            >,
        ) -> std::result::Result<
            tonic::Response<super::super::super::super::iam::v1::Policy>,
            tonic::Status,
        > {
            self.inner
                .ready()
                .await
                .map_err(|e| {
                    tonic::Status::new(
                        tonic::Code::Unknown,
                        format!("Service was not ready: {}", e.into()),
                    )
                })?;
            let codec = tonic::codec::ProstCodec::default();
            let path = http::uri::PathAndQuery::from_static(
                "/google.cloud.tasks.v2beta3.CloudTasks/GetIamPolicy",
            );
            let mut req = request.into_request();
            req.extensions_mut()
                .insert(
                    GrpcMethod::new(
                        "google.cloud.tasks.v2beta3.CloudTasks",
                        "GetIamPolicy",
                    ),
                );
            self.inner.unary(req, path, codec).await
        }
        /// 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`
        pub async fn set_iam_policy(
            &mut self,
            request: impl tonic::IntoRequest<
                super::super::super::super::iam::v1::SetIamPolicyRequest,
            >,
        ) -> std::result::Result<
            tonic::Response<super::super::super::super::iam::v1::Policy>,
            tonic::Status,
        > {
            self.inner
                .ready()
                .await
                .map_err(|e| {
                    tonic::Status::new(
                        tonic::Code::Unknown,
                        format!("Service was not ready: {}", e.into()),
                    )
                })?;
            let codec = tonic::codec::ProstCodec::default();
            let path = http::uri::PathAndQuery::from_static(
                "/google.cloud.tasks.v2beta3.CloudTasks/SetIamPolicy",
            );
            let mut req = request.into_request();
            req.extensions_mut()
                .insert(
                    GrpcMethod::new(
                        "google.cloud.tasks.v2beta3.CloudTasks",
                        "SetIamPolicy",
                    ),
                );
            self.inner.unary(req, path, codec).await
        }
        /// 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.
        pub async fn test_iam_permissions(
            &mut self,
            request: impl tonic::IntoRequest<
                super::super::super::super::iam::v1::TestIamPermissionsRequest,
            >,
        ) -> std::result::Result<
            tonic::Response<
                super::super::super::super::iam::v1::TestIamPermissionsResponse,
            >,
            tonic::Status,
        > {
            self.inner
                .ready()
                .await
                .map_err(|e| {
                    tonic::Status::new(
                        tonic::Code::Unknown,
                        format!("Service was not ready: {}", e.into()),
                    )
                })?;
            let codec = tonic::codec::ProstCodec::default();
            let path = http::uri::PathAndQuery::from_static(
                "/google.cloud.tasks.v2beta3.CloudTasks/TestIamPermissions",
            );
            let mut req = request.into_request();
            req.extensions_mut()
                .insert(
                    GrpcMethod::new(
                        "google.cloud.tasks.v2beta3.CloudTasks",
                        "TestIamPermissions",
                    ),
                );
            self.inner.unary(req, path, codec).await
        }
        /// 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.
        pub async fn list_tasks(
            &mut self,
            request: impl tonic::IntoRequest<super::ListTasksRequest>,
        ) -> std::result::Result<
            tonic::Response<super::ListTasksResponse>,
            tonic::Status,
        > {
            self.inner
                .ready()
                .await
                .map_err(|e| {
                    tonic::Status::new(
                        tonic::Code::Unknown,
                        format!("Service was not ready: {}", e.into()),
                    )
                })?;
            let codec = tonic::codec::ProstCodec::default();
            let path = http::uri::PathAndQuery::from_static(
                "/google.cloud.tasks.v2beta3.CloudTasks/ListTasks",
            );
            let mut req = request.into_request();
            req.extensions_mut()
                .insert(
                    GrpcMethod::new("google.cloud.tasks.v2beta3.CloudTasks", "ListTasks"),
                );
            self.inner.unary(req, path, codec).await
        }
        /// Gets a task.
        pub async fn get_task(
            &mut self,
            request: impl tonic::IntoRequest<super::GetTaskRequest>,
        ) -> std::result::Result<tonic::Response<super::Task>, tonic::Status> {
            self.inner
                .ready()
                .await
                .map_err(|e| {
                    tonic::Status::new(
                        tonic::Code::Unknown,
                        format!("Service was not ready: {}", e.into()),
                    )
                })?;
            let codec = tonic::codec::ProstCodec::default();
            let path = http::uri::PathAndQuery::from_static(
                "/google.cloud.tasks.v2beta3.CloudTasks/GetTask",
            );
            let mut req = request.into_request();
            req.extensions_mut()
                .insert(
                    GrpcMethod::new("google.cloud.tasks.v2beta3.CloudTasks", "GetTask"),
                );
            self.inner.unary(req, path, codec).await
        }
        /// 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.
        pub async fn create_task(
            &mut self,
            request: impl tonic::IntoRequest<super::CreateTaskRequest>,
        ) -> std::result::Result<tonic::Response<super::Task>, tonic::Status> {
            self.inner
                .ready()
                .await
                .map_err(|e| {
                    tonic::Status::new(
                        tonic::Code::Unknown,
                        format!("Service was not ready: {}", e.into()),
                    )
                })?;
            let codec = tonic::codec::ProstCodec::default();
            let path = http::uri::PathAndQuery::from_static(
                "/google.cloud.tasks.v2beta3.CloudTasks/CreateTask",
            );
            let mut req = request.into_request();
            req.extensions_mut()
                .insert(
                    GrpcMethod::new(
                        "google.cloud.tasks.v2beta3.CloudTasks",
                        "CreateTask",
                    ),
                );
            self.inner.unary(req, path, codec).await
        }
        /// 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.
        pub async fn delete_task(
            &mut self,
            request: impl tonic::IntoRequest<super::DeleteTaskRequest>,
        ) -> std::result::Result<tonic::Response<()>, tonic::Status> {
            self.inner
                .ready()
                .await
                .map_err(|e| {
                    tonic::Status::new(
                        tonic::Code::Unknown,
                        format!("Service was not ready: {}", e.into()),
                    )
                })?;
            let codec = tonic::codec::ProstCodec::default();
            let path = http::uri::PathAndQuery::from_static(
                "/google.cloud.tasks.v2beta3.CloudTasks/DeleteTask",
            );
            let mut req = request.into_request();
            req.extensions_mut()
                .insert(
                    GrpcMethod::new(
                        "google.cloud.tasks.v2beta3.CloudTasks",
                        "DeleteTask",
                    ),
                );
            self.inner.unary(req, path, codec).await
        }
        /// 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][Task.status] 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.
        pub async fn run_task(
            &mut self,
            request: impl tonic::IntoRequest<super::RunTaskRequest>,
        ) -> std::result::Result<tonic::Response<super::Task>, tonic::Status> {
            self.inner
                .ready()
                .await
                .map_err(|e| {
                    tonic::Status::new(
                        tonic::Code::Unknown,
                        format!("Service was not ready: {}", e.into()),
                    )
                })?;
            let codec = tonic::codec::ProstCodec::default();
            let path = http::uri::PathAndQuery::from_static(
                "/google.cloud.tasks.v2beta3.CloudTasks/RunTask",
            );
            let mut req = request.into_request();
            req.extensions_mut()
                .insert(
                    GrpcMethod::new("google.cloud.tasks.v2beta3.CloudTasks", "RunTask"),
                );
            self.inner.unary(req, path, codec).await
        }
    }
}