/**
 * Copyright 2015 Google Inc. All Rights Reserved.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
import { AxiosPromise } from 'axios';
import { GoogleApis } from '../..';
import { BodyResponseCallback, GlobalOptions, MethodOptions } from '../../lib/api';
/**
 * Google Cloud Pub/Sub API
 *
 * Provides reliable, many-to-many, asynchronous messaging between applications.
 *
 * @example
 * const google = require('googleapis');
 * const pubsub = google.pubsub('v1');
 *
 * @namespace pubsub
 * @type {Function}
 * @version v1
 * @variation v1
 * @param {object=} options Options for Pubsub
 */
export declare class Pubsub {
    _options: GlobalOptions;
    google: GoogleApis;
    root: this;
    projects: Resource$Projects;
    constructor(options: GlobalOptions, google: GoogleApis);
    getRoot(): this;
}
/**
 * Request for the Acknowledge method.
 */
export interface Schema$AcknowledgeRequest {
    /**
     * The acknowledgment ID for the messages being acknowledged that was returned
     * by the Pub/Sub system in the `Pull` response. Must not be empty.
     */
    ackIds: string[];
}
/**
 * Associates `members` with a `role`.
 */
export interface Schema$Binding {
    /**
     * Specifies the identities requesting access for a Cloud Platform resource.
     * `members` can have the following values:  * `allUsers`: A special
     * identifier that represents anyone who is    on the internet; with or
     * without a Google account.  * `allAuthenticatedUsers`: A special identifier
     * that represents anyone    who is authenticated with a Google account or a
     * service account.  * `user:{emailid}`: An email address that represents a
     * specific Google    account. For example, `alice@gmail.com` or
     * `joe@example.com`.   * `serviceAccount:{emailid}`: An email address that
     * represents a service    account. For example,
     * `my-other-app@appspot.gserviceaccount.com`.  * `group:{emailid}`: An email
     * address that represents a Google group.    For example,
     * `admins@example.com`.   * `domain:{domain}`: A Google Apps domain name that
     * represents all the    users of that domain. For example, `google.com` or
     * `example.com`.
     */
    members: string[];
    /**
     * Role that is assigned to `members`. For example, `roles/viewer`,
     * `roles/editor`, or `roles/owner`. Required
     */
    role: string;
}
/**
 * Request for the `CreateSnapshot` method.
 */
export interface Schema$CreateSnapshotRequest {
    /**
     * The subscription whose backlog the snapshot retains. Specifically, the
     * created snapshot is guaranteed to retain:  (a) The existing backlog on the
     * subscription. More precisely, this is      defined as the messages in the
     * subscription's backlog that are      unacknowledged upon the successful
     * completion of the      `CreateSnapshot` request; as well as:  (b) Any
     * messages published to the subscription's topic following the successful
     * completion of the CreateSnapshot request. Format is
     * `projects/{project}/subscriptions/{sub}`.
     */
    subscription: string;
}
/**
 * A generic empty message that you can re-use to avoid defining duplicated
 * empty messages in your APIs. A typical example is to use it as the request or
 * the response type of an API method. For instance:      service Foo { rpc
 * Bar(google.protobuf.Empty) returns (google.protobuf.Empty);     }  The JSON
 * representation for `Empty` is empty JSON object `{}`.
 */
export interface Schema$Empty {
}
/**
 * Response for the `ListSnapshots` method.
 */
export interface Schema$ListSnapshotsResponse {
    /**
     * If not empty, indicates that there may be more snapshot that match the
     * request; this value should be passed in a new `ListSnapshotsRequest`.
     */
    nextPageToken: string;
    /**
     * The resulting snapshots.
     */
    snapshots: Schema$Snapshot[];
}
/**
 * Response for the `ListSubscriptions` method.
 */
export interface Schema$ListSubscriptionsResponse {
    /**
     * If not empty, indicates that there may be more subscriptions that match the
     * request; this value should be passed in a new `ListSubscriptionsRequest` to
     * get more subscriptions.
     */
    nextPageToken: string;
    /**
     * The subscriptions that match the request.
     */
    subscriptions: Schema$Subscription[];
}
/**
 * Response for the `ListTopicSnapshots` method. [ALPHA] This method is a part
 * of a closed Alpha API.
 */
export interface Schema$ListTopicSnapshotsResponse {
    /**
     * If not empty, indicates that there may be more snapshots that match the
     * request; this value should be passed in a new `ListTopicSnapshotsRequest`
     * to get more snapshots.
     */
    nextPageToken: string;
    /**
     * The names of the snapshots that match the request.
     */
    snapshots: string[];
}
/**
 * Response for the `ListTopics` method.
 */
export interface Schema$ListTopicsResponse {
    /**
     * If not empty, indicates that there may be more topics that match the
     * request; this value should be passed in a new `ListTopicsRequest`.
     */
    nextPageToken: string;
    /**
     * The resulting topics.
     */
    topics: Schema$Topic[];
}
/**
 * Response for the `ListTopicSubscriptions` method.
 */
export interface Schema$ListTopicSubscriptionsResponse {
    /**
     * If not empty, indicates that there may be more subscriptions that match the
     * request; this value should be passed in a new
     * `ListTopicSubscriptionsRequest` to get more subscriptions.
     */
    nextPageToken: string;
    /**
     * The names of the subscriptions that match the request.
     */
    subscriptions: string[];
}
/**
 * Request for the ModifyAckDeadline method.
 */
export interface Schema$ModifyAckDeadlineRequest {
    /**
     * The new ack deadline with respect to the time this request was sent to the
     * Pub/Sub system. For example, if the value is 10, the new ack deadline will
     * expire 10 seconds after the `ModifyAckDeadline` call was made. Specifying
     * zero may immediately make the message available for another pull request.
     * The minimum deadline you can specify is 0 seconds. The maximum deadline you
     * can specify is 600 seconds (10 minutes).
     */
    ackDeadlineSeconds: number;
    /**
     * List of acknowledgment IDs.
     */
    ackIds: string[];
}
/**
 * Request for the ModifyPushConfig method.
 */
export interface Schema$ModifyPushConfigRequest {
    /**
     * The push configuration for future deliveries.  An empty `pushConfig`
     * indicates that the Pub/Sub system should stop pushing messages from the
     * given subscription and allow messages to be pulled and acknowledged -
     * effectively pausing the subscription if `Pull` or `StreamingPull` is not
     * called.
     */
    pushConfig: Schema$PushConfig;
}
/**
 * Defines an Identity and Access Management (IAM) policy. It is used to specify
 * access control policies for Cloud Platform resources.   A `Policy` consists
 * of a list of `bindings`. A `Binding` binds a list of `members` to a `role`,
 * where the members can be user accounts, Google groups, Google domains, and
 * service accounts. A `role` is a named list of permissions defined by IAM.
 * **Example**      {       "bindings": [         { "role":
 * "roles/owner",           "members": [
 * "user:mike@example.com", "group:admins@example.com",
 * "domain:google.com",
 * "serviceAccount:my-other-app@appspot.gserviceaccount.com", ] }, {
 * "role": "roles/viewer",           "members":
 * ["user:sean@example.com"]         }       ]     }  For a
 * description of IAM and its features, see the [IAM developer's
 * guide](https://cloud.google.com/iam/docs).
 */
export interface Schema$Policy {
    /**
     * Associates a list of `members` to a `role`. `bindings` with no members will
     * result in an error.
     */
    bindings: Schema$Binding[];
    /**
     * `etag` is used for optimistic concurrency control as a way to help prevent
     * simultaneous updates of a policy from overwriting each other. It is
     * strongly suggested that systems make use of the `etag` in the
     * read-modify-write cycle to perform policy updates in order to avoid race
     * conditions: An `etag` is returned in the response to `getIamPolicy`, and
     * systems are expected to put that etag in the request to `setIamPolicy` to
     * ensure that their change will be applied to the same version of the policy.
     * If no `etag` is provided in the call to `setIamPolicy`, then the existing
     * policy is overwritten blindly.
     */
    etag: string;
    /**
     * Deprecated.
     */
    version: number;
}
/**
 * Request for the Publish method.
 */
export interface Schema$PublishRequest {
    /**
     * The messages to publish.
     */
    messages: Schema$PubsubMessage[];
}
/**
 * Response for the `Publish` method.
 */
export interface Schema$PublishResponse {
    /**
     * The server-assigned ID of each published message, in the same order as the
     * messages in the request. IDs are guaranteed to be unique within the topic.
     */
    messageIds: string[];
}
/**
 * A message data and its attributes. The message payload must not be empty; it
 * must contain either a non-empty data field, or at least one attribute.
 */
export interface Schema$PubsubMessage {
    /**
     * Optional attributes for this message.
     */
    attributes: any;
    /**
     * The message payload.
     */
    data: string;
    /**
     * ID of this message, assigned by the server when the message is published.
     * Guaranteed to be unique within the topic. This value may be read by a
     * subscriber that receives a `PubsubMessage` via a `Pull` call or a push
     * delivery. It must not be populated by the publisher in a `Publish` call.
     */
    messageId: string;
    /**
     * The time at which the message was published, populated by the server when
     * it receives the `Publish` call. It must not be populated by the publisher
     * in a `Publish` call.
     */
    publishTime: string;
}
/**
 * Request for the `Pull` method.
 */
export interface Schema$PullRequest {
    /**
     * The maximum number of messages returned for this request. The Pub/Sub
     * system may return fewer than the number specified.
     */
    maxMessages: number;
    /**
     * If this field set to true, the system will respond immediately even if it
     * there are no messages available to return in the `Pull` response.
     * Otherwise, the system may wait (for a bounded amount of time) until at
     * least one message is available, rather than returning no messages. The
     * client may cancel the request if it does not wish to wait any longer for
     * the response.
     */
    returnImmediately: boolean;
}
/**
 * Response for the `Pull` method.
 */
export interface Schema$PullResponse {
    /**
     * Received Pub/Sub messages. The Pub/Sub system will return zero messages if
     * there are no more available in the backlog. The Pub/Sub system may return
     * fewer than the `maxMessages` requested even if there are more messages
     * available in the backlog.
     */
    receivedMessages: Schema$ReceivedMessage[];
}
/**
 * Configuration for a push delivery endpoint.
 */
export interface Schema$PushConfig {
    /**
     * Endpoint configuration attributes.  Every endpoint has a set of API
     * supported attributes that can be used to control different aspects of the
     * message delivery.  The currently supported attribute is `x-goog-version`,
     * which you can use to change the format of the pushed message. This
     * attribute indicates the version of the data expected by the endpoint. This
     * controls the shape of the pushed message (i.e., its fields and metadata).
     * The endpoint version is based on the version of the Pub/Sub API.  If not
     * present during the `CreateSubscription` call, it will default to the
     * version of the API used to make such call. If not present during a
     * `ModifyPushConfig` call, its value will not be changed. `GetSubscription`
     * calls will always return a valid version, even if the subscription was
     * created without this attribute.  The possible values for this attribute
     * are:  * `v1beta1`: uses the push format defined in the v1beta1 Pub/Sub API.
     * * `v1` or `v1beta2`: uses the push format defined in the v1 Pub/Sub API.
     */
    attributes: any;
    /**
     * A URL locating the endpoint to which messages should be pushed. For
     * example, a Webhook endpoint might use "https://example.com/push".
     */
    pushEndpoint: string;
}
/**
 * A message and its corresponding acknowledgment ID.
 */
export interface Schema$ReceivedMessage {
    /**
     * This ID can be used to acknowledge the received message.
     */
    ackId: string;
    /**
     * The message.
     */
    message: Schema$PubsubMessage;
}
/**
 * Request for the `Seek` method.
 */
export interface Schema$SeekRequest {
    /**
     * The snapshot to seek to. The snapshot's topic must be the same as that
     * of the provided subscription. Format is
     * `projects/{project}/snapshots/{snap}`.
     */
    snapshot: string;
    /**
     * The time to seek to. Messages retained in the subscription that were
     * published before this time are marked as acknowledged, and messages
     * retained in the subscription that were published after this time are marked
     * as unacknowledged. Note that this operation affects only those messages
     * retained in the subscription (configured by the combination of
     * `message_retention_duration` and `retain_acked_messages`). For example, if
     * `time` corresponds to a point before the message retention window (or to a
     * point before the system's notion of the subscription creation time),
     * only retained messages will be marked as unacknowledged, and
     * already-expunged messages will not be restored.
     */
    time: string;
}
export interface Schema$SeekResponse {
}
/**
 * Request message for `SetIamPolicy` method.
 */
export interface Schema$SetIamPolicyRequest {
    /**
     * REQUIRED: The complete policy to be applied to the `resource`. The size of
     * the policy is limited to a few 10s of KB. An empty policy is a valid policy
     * but certain Cloud Platform services (such as Projects) might reject them.
     */
    policy: Schema$Policy;
}
/**
 * A snapshot resource.
 */
export interface Schema$Snapshot {
    /**
     * The snapshot is guaranteed to exist up until this time. A newly-created
     * snapshot expires no later than 7 days from the time of its creation. Its
     * exact lifetime is determined at creation by the existing backlog in the
     * source subscription. Specifically, the lifetime of the snapshot is `7 days
     * - (age of oldest unacked message in the subscription)`. For example,
     * consider a subscription whose oldest unacked message is 3 days old. If a
     * snapshot is created from this subscription, the snapshot -- which will
     * always capture this 3-day-old backlog as long as the snapshot exists --
     * will expire in 4 days. The service will refuse to create a snapshot that
     * would expire in less than 1 hour after creation.
     */
    expireTime: string;
    /**
     * The name of the snapshot.
     */
    name: string;
    /**
     * The name of the topic from which this snapshot is retaining messages.
     */
    topic: string;
}
/**
 * A subscription resource.
 */
export interface Schema$Subscription {
    /**
     * This value is the maximum time after a subscriber receives a message before
     * the subscriber should acknowledge the message. After message delivery but
     * before the ack deadline expires and before the message is acknowledged, it
     * is an outstanding message and will not be delivered again during that time
     * (on a best-effort basis).  For pull subscriptions, this value is used as
     * the initial value for the ack deadline. To override this value for a given
     * message, call `ModifyAckDeadline` with the corresponding `ack_id` if using
     * non-streaming pull or send the `ack_id` in a
     * `StreamingModifyAckDeadlineRequest` if using streaming pull. The minimum
     * custom deadline you can specify is 10 seconds. The maximum custom deadline
     * you can specify is 600 seconds (10 minutes). If this parameter is 0, a
     * default value of 10 seconds is used.  For push delivery, this value is also
     * used to set the request timeout for the call to the push endpoint.  If the
     * subscriber never acknowledges the message, the Pub/Sub system will
     * eventually redeliver the message.
     */
    ackDeadlineSeconds: number;
    /**
     * How long to retain unacknowledged messages in the subscription's
     * backlog, from the moment a message is published. If `retain_acked_messages`
     * is true, then this also configures the retention of acknowledged messages,
     * and thus configures how far back in time a `Seek` can be done. Defaults to
     * 7 days. Cannot be more than 7 days or less than 10 minutes. [ALPHA] This
     * field is a part of a closed Alpha API.
     */
    messageRetentionDuration: string;
    /**
     * The name of the subscription. It must have the format
     * `"projects/{project}/subscriptions/{subscription}"`.
     * `{subscription}` must start with a letter, and contain only letters
     * (`[A-Za-z]`), numbers (`[0-9]`), dashes (`-`), underscores (`_`), periods
     * (`.`), tildes (`~`), plus (`+`) or percent signs (`%`). It must be between
     * 3 and 255 characters in length, and it must not start with
     * `"goog"`.
     */
    name: string;
    /**
     * If push delivery is used with this subscription, this field is used to
     * configure it. An empty `pushConfig` signifies that the subscriber will pull
     * and ack messages using API methods.
     */
    pushConfig: Schema$PushConfig;
    /**
     * Indicates whether to retain acknowledged messages. If true, then messages
     * are not expunged from the subscription's backlog, even if they are
     * acknowledged, until they fall out of the `message_retention_duration`
     * window. [ALPHA] This field is a part of a closed Alpha API.
     */
    retainAckedMessages: boolean;
    /**
     * The name of the topic from which this subscription is receiving messages.
     * Format is `projects/{project}/topics/{topic}`. The value of this field will
     * be `_deleted-topic_` if the topic has been deleted.
     */
    topic: string;
}
/**
 * Request message for `TestIamPermissions` method.
 */
export interface Schema$TestIamPermissionsRequest {
    /**
     * The set of permissions to check for the `resource`. Permissions with
     * wildcards (such as '*' or 'storage.*') are not allowed. For
     * more information see [IAM
     * Overview](https://cloud.google.com/iam/docs/overview#permissions).
     */
    permissions: string[];
}
/**
 * Response message for `TestIamPermissions` method.
 */
export interface Schema$TestIamPermissionsResponse {
    /**
     * A subset of `TestPermissionsRequest.permissions` that the caller is
     * allowed.
     */
    permissions: string[];
}
/**
 * A topic resource.
 */
export interface Schema$Topic {
    /**
     * The name of the topic. It must have the format
     * `"projects/{project}/topics/{topic}"`. `{topic}` must start with
     * a letter, and contain only letters (`[A-Za-z]`), numbers (`[0-9]`), dashes
     * (`-`), underscores (`_`), periods (`.`), tildes (`~`), plus (`+`) or
     * percent signs (`%`). It must be between 3 and 255 characters in length, and
     * it must not start with `"goog"`.
     */
    name: string;
}
/**
 * Request for the UpdateSnapshot method.
 */
export interface Schema$UpdateSnapshotRequest {
    /**
     * The updated snpashot object.
     */
    snapshot: Schema$Snapshot;
    /**
     * Indicates which fields in the provided snapshot to update. Must be
     * specified and non-empty.
     */
    updateMask: string;
}
/**
 * Request for the UpdateSubscription method.
 */
export interface Schema$UpdateSubscriptionRequest {
    /**
     * The updated subscription object.
     */
    subscription: Schema$Subscription;
    /**
     * Indicates which fields in the provided subscription to update. Must be
     * specified and non-empty.
     */
    updateMask: string;
}
export declare class Resource$Projects {
    root: Pubsub;
    snapshots: Resource$Projects$Snapshots;
    subscriptions: Resource$Projects$Subscriptions;
    topics: Resource$Projects$Topics;
    constructor(root: Pubsub);
    getRoot(): Pubsub;
}
export declare class Resource$Projects$Snapshots {
    root: Pubsub;
    constructor(root: Pubsub);
    getRoot(): Pubsub;
    /**
     * pubsub.projects.snapshots.create
     * @desc [ALPHA] This method is a part of a closed Alpha API. Creates a
     * snapshot from the requested subscription. If the snapshot already exists,
     * returns `ALREADY_EXISTS`. If the requested subscription doesn't exist,
     * returns `NOT_FOUND`. If the backlog in the subscription is too old -- and
     * the resulting snapshot would expire in less than 1 hour -- then
     * `FAILED_PRECONDITION` is returned. See also the `Snapshot.expire_time`
     * field.  If the name is not provided in the request, the server will assign
     * a random name for this snapshot on the same project as the subscription,
     * conforming to the [resource name
     * format](https://cloud.google.com/pubsub/docs/overview#names). The generated
     * name is populated in the returned Snapshot object. Note that for REST API
     * requests, you must specify a name in the request.
     * @alias pubsub.projects.snapshots.create
     * @memberOf! ()
     *
     * @param {object} params Parameters for request
     * @param {string} params.name Optional user-provided name for this snapshot. If the name is not provided in the request, the server will assign a random name for this snapshot on the same project as the subscription. Note that for REST API requests, you must specify a name. Format is `projects/{project}/snapshots/{snap}`.
     * @param {().CreateSnapshotRequest} params.resource Request body data
     * @param {object} [options] Optionally override request options, such as `url`, `method`, and `encoding`.
     * @param {callback} callback The callback that handles the response.
     * @return {object} Request object
     */
    create(params?: any, options?: MethodOptions): AxiosPromise<Schema$Snapshot>;
    create(params?: any, options?: MethodOptions | BodyResponseCallback<Schema$Snapshot>, callback?: BodyResponseCallback<Schema$Snapshot>): void;
    /**
     * pubsub.projects.snapshots.delete
     * @desc Removes an existing snapshot. All messages retained in the snapshot
     * are immediately dropped. After a snapshot is deleted, a new one may be
     * created with the same name, but the new one has no association with the old
     * snapshot or its subscription, unless the same subscription is specified.
     * [ALPHA] This method is a part of a closed Alpha API.
     * @alias pubsub.projects.snapshots.delete
     * @memberOf! ()
     *
     * @param {object} params Parameters for request
     * @param {string} params.snapshot The name of the snapshot to delete. Format is `projects/{project}/snapshots/{snap}`.
     * @param {object} [options] Optionally override request options, such as `url`, `method`, and `encoding`.
     * @param {callback} callback The callback that handles the response.
     * @return {object} Request object
     */
    delete(params?: any, options?: MethodOptions): AxiosPromise<Schema$Empty>;
    delete(params?: any, options?: MethodOptions | BodyResponseCallback<Schema$Empty>, callback?: BodyResponseCallback<Schema$Empty>): void;
    /**
     * pubsub.projects.snapshots.get
     * @desc Gets the configuration details of a snapshot. [ALPHA] This method is
     * a part of a closed Alpha API.
     * @alias pubsub.projects.snapshots.get
     * @memberOf! ()
     *
     * @param {object} params Parameters for request
     * @param {string} params.snapshot The name of the snapshot to get. Format is `projects/{project}/snapshots/{snap}`.
     * @param {object} [options] Optionally override request options, such as `url`, `method`, and `encoding`.
     * @param {callback} callback The callback that handles the response.
     * @return {object} Request object
     */
    get(params?: any, options?: MethodOptions): AxiosPromise<Schema$Snapshot>;
    get(params?: any, options?: MethodOptions | BodyResponseCallback<Schema$Snapshot>, callback?: BodyResponseCallback<Schema$Snapshot>): void;
    /**
     * pubsub.projects.snapshots.getIamPolicy
     * @desc Gets the access control policy for a resource. Returns an empty
     * policy if the resource exists and does not have a policy set.
     * @example
     * * // BEFORE RUNNING:
     * // ---------------
     * // 1. If not already done, enable the Google Cloud Pub/Sub API
     * //    and check the quota for your project at
     * //    https://console.developers.google.com/apis/api/pubsub
     * // 2. This sample uses Application Default Credentials for authentication.
     * //    If not already done, install the gcloud CLI from
     * //    https://cloud.google.com/sdk and run
     * //    `gcloud beta auth application-default login`.
     * //    For more information, see
     * //
     * https://developers.google.com/identity/protocols/application-default-credentials
     * // 3. Install the Node.js client library by running
     * //    `npm install googleapis --save`
     *
     * var google = require('googleapis');
     * var pubsub = google.pubsub('v1');
     *
     * authorize(function(authClient) {
     *   var request = {
     *     // REQUIRED: The resource for which the policy is being requested.
     *     // See the operation documentation for the appropriate value for this
     * field. resource_: 'projects/my-project/snapshots/my-snapshot',  // TODO:
     * Update placeholder value.
     *
     *     auth: authClient,
     *   };
     *
     *   pubsub.projects.snapshots.getIamPolicy(request, function(err, response) {
     *     if (err) {
     *       console.error(err);
     *       return;
     *     }
     *
     *     // TODO: Change code below to process the `response` object:
     *     console.log(JSON.stringify(response, null, 2));
     *   });
     * });
     *
     * function authorize(callback) {
     *   google.auth.getApplicationDefault(function(err, authClient) {
     *     if (err) {
     *       console.error('authentication failed: ', err);
     *       return;
     *     }
     *     if (authClient.createScopedRequired &&
     * authClient.createScopedRequired()) { var scopes =
     * ['https://www.googleapis.com/auth/cloud-platform']; authClient =
     * authClient.createScoped(scopes);
     *     }
     *     callback(authClient);
     *   });
     * }
     * @alias pubsub.projects.snapshots.getIamPolicy
     * @memberOf! ()
     *
     * @param {object} params Parameters for request
     * @param {string} params.resource_ REQUIRED: The resource for which the policy is being requested. See the operation documentation for the appropriate value for this field.
     * @param {object} [options] Optionally override request options, such as `url`, `method`, and `encoding`.
     * @param {callback} callback The callback that handles the response.
     * @return {object} Request object
     */
    getIamPolicy(params?: any, options?: MethodOptions): AxiosPromise<Schema$Policy>;
    getIamPolicy(params?: any, options?: MethodOptions | BodyResponseCallback<Schema$Policy>, callback?: BodyResponseCallback<Schema$Policy>): void;
    /**
     * pubsub.projects.snapshots.list
     * @desc Lists the existing snapshots. [ALPHA] This method is a part of a
     * closed Alpha API.
     * @alias pubsub.projects.snapshots.list
     * @memberOf! ()
     *
     * @param {object} params Parameters for request
     * @param {integer=} params.pageSize Maximum number of snapshots to return.
     * @param {string=} params.pageToken The value returned by the last `ListSnapshotsResponse`; indicates that this is a continuation of a prior `ListSnapshots` call, and that the system should return the next page of data.
     * @param {string} params.project The name of the cloud project that snapshots belong to. Format is `projects/{project}`.
     * @param {object} [options] Optionally override request options, such as `url`, `method`, and `encoding`.
     * @param {callback} callback The callback that handles the response.
     * @return {object} Request object
     */
    list(params?: any, options?: MethodOptions): AxiosPromise<Schema$ListSnapshotsResponse>;
    list(params?: any, options?: MethodOptions | BodyResponseCallback<Schema$ListSnapshotsResponse>, callback?: BodyResponseCallback<Schema$ListSnapshotsResponse>): void;
    /**
     * pubsub.projects.snapshots.patch
     * @desc Updates an existing snapshot. Note that certain properties of a
     * snapshot are not modifiable. [ALPHA] This method is a part of a closed
     * Alpha API.
     * @alias pubsub.projects.snapshots.patch
     * @memberOf! ()
     *
     * @param {object} params Parameters for request
     * @param {string} params.name The name of the snapshot.
     * @param {().UpdateSnapshotRequest} params.resource Request body data
     * @param {object} [options] Optionally override request options, such as `url`, `method`, and `encoding`.
     * @param {callback} callback The callback that handles the response.
     * @return {object} Request object
     */
    patch(params?: any, options?: MethodOptions): AxiosPromise<Schema$Snapshot>;
    patch(params?: any, options?: MethodOptions | BodyResponseCallback<Schema$Snapshot>, callback?: BodyResponseCallback<Schema$Snapshot>): void;
    /**
     * pubsub.projects.snapshots.setIamPolicy
     * @desc Sets the access control policy on the specified resource. Replaces
     * any existing policy.
     * @example
     * * // BEFORE RUNNING:
     * // ---------------
     * // 1. If not already done, enable the Google Cloud Pub/Sub API
     * //    and check the quota for your project at
     * //    https://console.developers.google.com/apis/api/pubsub
     * // 2. This sample uses Application Default Credentials for authentication.
     * //    If not already done, install the gcloud CLI from
     * //    https://cloud.google.com/sdk and run
     * //    `gcloud beta auth application-default login`.
     * //    For more information, see
     * //
     * https://developers.google.com/identity/protocols/application-default-credentials
     * // 3. Install the Node.js client library by running
     * //    `npm install googleapis --save`
     *
     * var google = require('googleapis');
     * var pubsub = google.pubsub('v1');
     *
     * authorize(function(authClient) {
     *   var request = {
     *     // REQUIRED: The resource for which the policy is being specified.
     *     // See the operation documentation for the appropriate value for this
     * field. resource_: 'projects/my-project/snapshots/my-snapshot',  // TODO:
     * Update placeholder value.
     *
     *     resource: {
     *       // TODO: Add desired properties to the request body.
     *     },
     *
     *     auth: authClient,
     *   };
     *
     *   pubsub.projects.snapshots.setIamPolicy(request, function(err, response) {
     *     if (err) {
     *       console.error(err);
     *       return;
     *     }
     *
     *     // TODO: Change code below to process the `response` object:
     *     console.log(JSON.stringify(response, null, 2));
     *   });
     * });
     *
     * function authorize(callback) {
     *   google.auth.getApplicationDefault(function(err, authClient) {
     *     if (err) {
     *       console.error('authentication failed: ', err);
     *       return;
     *     }
     *     if (authClient.createScopedRequired &&
     * authClient.createScopedRequired()) { var scopes =
     * ['https://www.googleapis.com/auth/cloud-platform']; authClient =
     * authClient.createScoped(scopes);
     *     }
     *     callback(authClient);
     *   });
     * }
     * @alias pubsub.projects.snapshots.setIamPolicy
     * @memberOf! ()
     *
     * @param {object} params Parameters for request
     * @param {string} params.resource_ REQUIRED: The resource for which the policy is being specified. See the operation documentation for the appropriate value for this field.
     * @param {().SetIamPolicyRequest} params.resource Request body data
     * @param {object} [options] Optionally override request options, such as `url`, `method`, and `encoding`.
     * @param {callback} callback The callback that handles the response.
     * @return {object} Request object
     */
    setIamPolicy(params?: any, options?: MethodOptions): AxiosPromise<Schema$Policy>;
    setIamPolicy(params?: any, options?: MethodOptions | BodyResponseCallback<Schema$Policy>, callback?: BodyResponseCallback<Schema$Policy>): void;
    /**
     * pubsub.projects.snapshots.testIamPermissions
     * @desc Returns permissions that a caller has on the specified resource. If
     * the resource does not exist, this will return an empty set of permissions,
     * not a 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.
     * @example
     * * // BEFORE RUNNING:
     * // ---------------
     * // 1. If not already done, enable the Google Cloud Pub/Sub API
     * //    and check the quota for your project at
     * //    https://console.developers.google.com/apis/api/pubsub
     * // 2. This sample uses Application Default Credentials for authentication.
     * //    If not already done, install the gcloud CLI from
     * //    https://cloud.google.com/sdk and run
     * //    `gcloud beta auth application-default login`.
     * //    For more information, see
     * //
     * https://developers.google.com/identity/protocols/application-default-credentials
     * // 3. Install the Node.js client library by running
     * //    `npm install googleapis --save`
     *
     * var google = require('googleapis');
     * var pubsub = google.pubsub('v1');
     *
     * authorize(function(authClient) {
     *   var request = {
     *     // REQUIRED: The resource for which the policy detail is being
     * requested.
     *     // See the operation documentation for the appropriate value for this
     * field. resource_: 'projects/my-project/snapshots/my-snapshot',  // TODO:
     * Update placeholder value.
     *
     *     resource: {
     *       // TODO: Add desired properties to the request body.
     *     },
     *
     *     auth: authClient,
     *   };
     *
     *   pubsub.projects.snapshots.testIamPermissions(request, function(err,
     * response) { if (err) { console.error(err); return;
     *     }
     *
     *     // TODO: Change code below to process the `response` object:
     *     console.log(JSON.stringify(response, null, 2));
     *   });
     * });
     *
     * function authorize(callback) {
     *   google.auth.getApplicationDefault(function(err, authClient) {
     *     if (err) {
     *       console.error('authentication failed: ', err);
     *       return;
     *     }
     *     if (authClient.createScopedRequired &&
     * authClient.createScopedRequired()) { var scopes =
     * ['https://www.googleapis.com/auth/cloud-platform']; authClient =
     * authClient.createScoped(scopes);
     *     }
     *     callback(authClient);
     *   });
     * }
     * @alias pubsub.projects.snapshots.testIamPermissions
     * @memberOf! ()
     *
     * @param {object} params Parameters for request
     * @param {string} params.resource_ REQUIRED: The resource for which the policy detail is being requested. See the operation documentation for the appropriate value for this field.
     * @param {().TestIamPermissionsRequest} params.resource Request body data
     * @param {object} [options] Optionally override request options, such as `url`, `method`, and `encoding`.
     * @param {callback} callback The callback that handles the response.
     * @return {object} Request object
     */
    testIamPermissions(params?: any, options?: MethodOptions): AxiosPromise<Schema$TestIamPermissionsResponse>;
    testIamPermissions(params?: any, options?: MethodOptions | BodyResponseCallback<Schema$TestIamPermissionsResponse>, callback?: BodyResponseCallback<Schema$TestIamPermissionsResponse>): void;
}
export declare class Resource$Projects$Subscriptions {
    root: Pubsub;
    constructor(root: Pubsub);
    getRoot(): Pubsub;
    /**
     * pubsub.projects.subscriptions.acknowledge
     * @desc Acknowledges the messages associated with the `ack_ids` in the
     * `AcknowledgeRequest`. The Pub/Sub system can remove the relevant messages
     * from the subscription.  Acknowledging a message whose ack deadline has
     * expired may succeed, but such a message may be redelivered later.
     * Acknowledging a message more than once will not result in an error.
     * @example
     * * // BEFORE RUNNING:
     * // ---------------
     * // 1. If not already done, enable the Google Cloud Pub/Sub API
     * //    and check the quota for your project at
     * //    https://console.developers.google.com/apis/api/pubsub
     * // 2. This sample uses Application Default Credentials for authentication.
     * //    If not already done, install the gcloud CLI from
     * //    https://cloud.google.com/sdk and run
     * //    `gcloud beta auth application-default login`.
     * //    For more information, see
     * //
     * https://developers.google.com/identity/protocols/application-default-credentials
     * // 3. Install the Node.js client library by running
     * //    `npm install googleapis --save`
     *
     * var google = require('googleapis');
     * var pubsub = google.pubsub('v1');
     *
     * authorize(function(authClient) {
     *   var request = {
     *     // The subscription whose message is being acknowledged.
     *     // Format is `projects/{project}/subscriptions/{sub}`.
     *     subscription: 'projects/my-project/subscriptions/my-subscription',  //
     * TODO: Update placeholder value.
     *
     *     resource: {
     *       // TODO: Add desired properties to the request body.
     *     },
     *
     *     auth: authClient,
     *   };
     *
     *   pubsub.projects.subscriptions.acknowledge(request, function(err) {
     *     if (err) {
     *       console.error(err);
     *       return;
     *     }
     *   });
     * });
     *
     * function authorize(callback) {
     *   google.auth.getApplicationDefault(function(err, authClient) {
     *     if (err) {
     *       console.error('authentication failed: ', err);
     *       return;
     *     }
     *     if (authClient.createScopedRequired &&
     * authClient.createScopedRequired()) { var scopes =
     * ['https://www.googleapis.com/auth/cloud-platform']; authClient =
     * authClient.createScoped(scopes);
     *     }
     *     callback(authClient);
     *   });
     * }
     * @alias pubsub.projects.subscriptions.acknowledge
     * @memberOf! ()
     *
     * @param {object} params Parameters for request
     * @param {string} params.subscription The subscription whose message is being acknowledged. Format is `projects/{project}/subscriptions/{sub}`.
     * @param {().AcknowledgeRequest} params.resource Request body data
     * @param {object} [options] Optionally override request options, such as `url`, `method`, and `encoding`.
     * @param {callback} callback The callback that handles the response.
     * @return {object} Request object
     */
    acknowledge(params?: any, options?: MethodOptions): AxiosPromise<Schema$Empty>;
    acknowledge(params?: any, options?: MethodOptions | BodyResponseCallback<Schema$Empty>, callback?: BodyResponseCallback<Schema$Empty>): void;
    /**
     * pubsub.projects.subscriptions.create
     * @desc Creates a subscription to a given topic. If the subscription already
     * exists, returns `ALREADY_EXISTS`. If the corresponding topic doesn't exist,
     * returns `NOT_FOUND`.  If the name is not provided in the request, the
     * server will assign a random name for this subscription on the same project
     * as the topic, conforming to the [resource name
     * format](https://cloud.google.com/pubsub/docs/overview#names). The generated
     * name is populated in the returned Subscription object. Note that for REST
     * API requests, you must specify a name in the request.
     * @example
     * * // BEFORE RUNNING:
     * // ---------------
     * // 1. If not already done, enable the Google Cloud Pub/Sub API
     * //    and check the quota for your project at
     * //    https://console.developers.google.com/apis/api/pubsub
     * // 2. This sample uses Application Default Credentials for authentication.
     * //    If not already done, install the gcloud CLI from
     * //    https://cloud.google.com/sdk and run
     * //    `gcloud beta auth application-default login`.
     * //    For more information, see
     * //
     * https://developers.google.com/identity/protocols/application-default-credentials
     * // 3. Install the Node.js client library by running
     * //    `npm install googleapis --save`
     *
     * var google = require('googleapis');
     * var pubsub = google.pubsub('v1');
     *
     * authorize(function(authClient) {
     *   var request = {
     *     // The name of the subscription. It must have the format
     *     // `"projects/{project}/subscriptions/{subscription}"`.
     * `{subscription}` must
     *     // start with a letter, and contain only letters (`[A-Za-z]`), numbers
     *     // (`[0-9]`), dashes (`-`), underscores (`_`), periods (`.`), tildes
     * (`~`),
     *     // plus (`+`) or percent signs (`%`). It must be between 3 and 255
     * characters
     *     // in length, and it must not start with `"goog"`.
     *     name: 'projects/my-project/subscriptions/my-subscription',  // TODO:
     * Update placeholder value.
     *
     *     resource: {
     *       // TODO: Add desired properties to the request body. All existing
     * properties
     *       // will be replaced.
     *     },
     *
     *     auth: authClient,
     *   };
     *
     *   pubsub.projects.subscriptions.create(request, function(err, response) {
     *     if (err) {
     *       console.error(err);
     *       return;
     *     }
     *
     *     // TODO: Change code below to process the `response` object:
     *     console.log(JSON.stringify(response, null, 2));
     *   });
     * });
     *
     * function authorize(callback) {
     *   google.auth.getApplicationDefault(function(err, authClient) {
     *     if (err) {
     *       console.error('authentication failed: ', err);
     *       return;
     *     }
     *     if (authClient.createScopedRequired &&
     * authClient.createScopedRequired()) { var scopes =
     * ['https://www.googleapis.com/auth/cloud-platform']; authClient =
     * authClient.createScoped(scopes);
     *     }
     *     callback(authClient);
     *   });
     * }
     * @alias pubsub.projects.subscriptions.create
     * @memberOf! ()
     *
     * @param {object} params Parameters for request
     * @param {string} params.name The name of the subscription. It must have the format `"projects/{project}/subscriptions/{subscription}"`. `{subscription}` must start with a letter, and contain only letters (`[A-Za-z]`), numbers (`[0-9]`), dashes (`-`), underscores (`_`), periods (`.`), tildes (`~`), plus (`+`) or percent signs (`%`). It must be between 3 and 255 characters in length, and it must not start with `"goog"`.
     * @param {().Subscription} params.resource Request body data
     * @param {object} [options] Optionally override request options, such as `url`, `method`, and `encoding`.
     * @param {callback} callback The callback that handles the response.
     * @return {object} Request object
     */
    create(params?: any, options?: MethodOptions): AxiosPromise<Schema$Subscription>;
    create(params?: any, options?: MethodOptions | BodyResponseCallback<Schema$Subscription>, callback?: BodyResponseCallback<Schema$Subscription>): void;
    /**
     * pubsub.projects.subscriptions.delete
     * @desc Deletes an existing subscription. All messages retained in the
     * subscription are immediately dropped. Calls to `Pull` after deletion will
     * return `NOT_FOUND`. After a subscription is deleted, a new one may be
     * created with the same name, but the new one has no association with the old
     * subscription or its topic unless the same topic is specified.
     * @example
     * * // BEFORE RUNNING:
     * // ---------------
     * // 1. If not already done, enable the Google Cloud Pub/Sub API
     * //    and check the quota for your project at
     * //    https://console.developers.google.com/apis/api/pubsub
     * // 2. This sample uses Application Default Credentials for authentication.
     * //    If not already done, install the gcloud CLI from
     * //    https://cloud.google.com/sdk and run
     * //    `gcloud beta auth application-default login`.
     * //    For more information, see
     * //
     * https://developers.google.com/identity/protocols/application-default-credentials
     * // 3. Install the Node.js client library by running
     * //    `npm install googleapis --save`
     *
     * var google = require('googleapis');
     * var pubsub = google.pubsub('v1');
     *
     * authorize(function(authClient) {
     *   var request = {
     *     // The subscription to delete.
     *     // Format is `projects/{project}/subscriptions/{sub}`.
     *     subscription: 'projects/my-project/subscriptions/my-subscription',  //
     * TODO: Update placeholder value.
     *
     *     auth: authClient,
     *   };
     *
     *   pubsub.projects.subscriptions.delete(request, function(err) {
     *     if (err) {
     *       console.error(err);
     *       return;
     *     }
     *   });
     * });
     *
     * function authorize(callback) {
     *   google.auth.getApplicationDefault(function(err, authClient) {
     *     if (err) {
     *       console.error('authentication failed: ', err);
     *       return;
     *     }
     *     if (authClient.createScopedRequired &&
     * authClient.createScopedRequired()) { var scopes =
     * ['https://www.googleapis.com/auth/cloud-platform']; authClient =
     * authClient.createScoped(scopes);
     *     }
     *     callback(authClient);
     *   });
     * }
     * @alias pubsub.projects.subscriptions.delete
     * @memberOf! ()
     *
     * @param {object} params Parameters for request
     * @param {string} params.subscription The subscription to delete. Format is `projects/{project}/subscriptions/{sub}`.
     * @param {object} [options] Optionally override request options, such as `url`, `method`, and `encoding`.
     * @param {callback} callback The callback that handles the response.
     * @return {object} Request object
     */
    delete(params?: any, options?: MethodOptions): AxiosPromise<Schema$Empty>;
    delete(params?: any, options?: MethodOptions | BodyResponseCallback<Schema$Empty>, callback?: BodyResponseCallback<Schema$Empty>): void;
    /**
     * pubsub.projects.subscriptions.get
     * @desc Gets the configuration details of a subscription.
     * @example
     * * // BEFORE RUNNING:
     * // ---------------
     * // 1. If not already done, enable the Google Cloud Pub/Sub API
     * //    and check the quota for your project at
     * //    https://console.developers.google.com/apis/api/pubsub
     * // 2. This sample uses Application Default Credentials for authentication.
     * //    If not already done, install the gcloud CLI from
     * //    https://cloud.google.com/sdk and run
     * //    `gcloud beta auth application-default login`.
     * //    For more information, see
     * //
     * https://developers.google.com/identity/protocols/application-default-credentials
     * // 3. Install the Node.js client library by running
     * //    `npm install googleapis --save`
     *
     * var google = require('googleapis');
     * var pubsub = google.pubsub('v1');
     *
     * authorize(function(authClient) {
     *   var request = {
     *     // The name of the subscription to get.
     *     // Format is `projects/{project}/subscriptions/{sub}`.
     *     subscription: 'projects/my-project/subscriptions/my-subscription',  //
     * TODO: Update placeholder value.
     *
     *     auth: authClient,
     *   };
     *
     *   pubsub.projects.subscriptions.get(request, function(err, response) {
     *     if (err) {
     *       console.error(err);
     *       return;
     *     }
     *
     *     // TODO: Change code below to process the `response` object:
     *     console.log(JSON.stringify(response, null, 2));
     *   });
     * });
     *
     * function authorize(callback) {
     *   google.auth.getApplicationDefault(function(err, authClient) {
     *     if (err) {
     *       console.error('authentication failed: ', err);
     *       return;
     *     }
     *     if (authClient.createScopedRequired &&
     * authClient.createScopedRequired()) { var scopes =
     * ['https://www.googleapis.com/auth/cloud-platform']; authClient =
     * authClient.createScoped(scopes);
     *     }
     *     callback(authClient);
     *   });
     * }
     * @alias pubsub.projects.subscriptions.get
     * @memberOf! ()
     *
     * @param {object} params Parameters for request
     * @param {string} params.subscription The name of the subscription to get. Format is `projects/{project}/subscriptions/{sub}`.
     * @param {object} [options] Optionally override request options, such as `url`, `method`, and `encoding`.
     * @param {callback} callback The callback that handles the response.
     * @return {object} Request object
     */
    get(params?: any, options?: MethodOptions): AxiosPromise<Schema$Subscription>;
    get(params?: any, options?: MethodOptions | BodyResponseCallback<Schema$Subscription>, callback?: BodyResponseCallback<Schema$Subscription>): void;
    /**
     * pubsub.projects.subscriptions.getIamPolicy
     * @desc Gets the access control policy for a resource. Returns an empty
     * policy if the resource exists and does not have a policy set.
     * @example
     * * // BEFORE RUNNING:
     * // ---------------
     * // 1. If not already done, enable the Google Cloud Pub/Sub API
     * //    and check the quota for your project at
     * //    https://console.developers.google.com/apis/api/pubsub
     * // 2. This sample uses Application Default Credentials for authentication.
     * //    If not already done, install the gcloud CLI from
     * //    https://cloud.google.com/sdk and run
     * //    `gcloud beta auth application-default login`.
     * //    For more information, see
     * //
     * https://developers.google.com/identity/protocols/application-default-credentials
     * // 3. Install the Node.js client library by running
     * //    `npm install googleapis --save`
     *
     * var google = require('googleapis');
     * var pubsub = google.pubsub('v1');
     *
     * authorize(function(authClient) {
     *   var request = {
     *     // REQUIRED: The resource for which the policy is being requested.
     *     // See the operation documentation for the appropriate value for this
     * field. resource_: 'projects/my-project/subscriptions/my-subscription',  //
     * TODO: Update placeholder value.
     *
     *     auth: authClient,
     *   };
     *
     *   pubsub.projects.subscriptions.getIamPolicy(request, function(err,
     * response) { if (err) { console.error(err); return;
     *     }
     *
     *     // TODO: Change code below to process the `response` object:
     *     console.log(JSON.stringify(response, null, 2));
     *   });
     * });
     *
     * function authorize(callback) {
     *   google.auth.getApplicationDefault(function(err, authClient) {
     *     if (err) {
     *       console.error('authentication failed: ', err);
     *       return;
     *     }
     *     if (authClient.createScopedRequired &&
     * authClient.createScopedRequired()) { var scopes =
     * ['https://www.googleapis.com/auth/cloud-platform']; authClient =
     * authClient.createScoped(scopes);
     *     }
     *     callback(authClient);
     *   });
     * }
     * @alias pubsub.projects.subscriptions.getIamPolicy
     * @memberOf! ()
     *
     * @param {object} params Parameters for request
     * @param {string} params.resource_ REQUIRED: The resource for which the policy is being requested. See the operation documentation for the appropriate value for this field.
     * @param {object} [options] Optionally override request options, such as `url`, `method`, and `encoding`.
     * @param {callback} callback The callback that handles the response.
     * @return {object} Request object
     */
    getIamPolicy(params?: any, options?: MethodOptions): AxiosPromise<Schema$Policy>;
    getIamPolicy(params?: any, options?: MethodOptions | BodyResponseCallback<Schema$Policy>, callback?: BodyResponseCallback<Schema$Policy>): void;
    /**
     * pubsub.projects.subscriptions.list
     * @desc Lists matching subscriptions.
     * @example
     * * // BEFORE RUNNING:
     * // ---------------
     * // 1. If not already done, enable the Google Cloud Pub/Sub API
     * //    and check the quota for your project at
     * //    https://console.developers.google.com/apis/api/pubsub
     * // 2. This sample uses Application Default Credentials for authentication.
     * //    If not already done, install the gcloud CLI from
     * //    https://cloud.google.com/sdk and run
     * //    `gcloud beta auth application-default login`.
     * //    For more information, see
     * //
     * https://developers.google.com/identity/protocols/application-default-credentials
     * // 3. Install the Node.js client library by running
     * //    `npm install googleapis --save`
     *
     * var google = require('googleapis');
     * var pubsub = google.pubsub('v1');
     *
     * authorize(function(authClient) {
     *   var request = {
     *     // The name of the cloud project that subscriptions belong to.
     *     // Format is `projects/{project}`.
     *     project: 'projects/my-project',  // TODO: Update placeholder value.
     *
     *     auth: authClient,
     *   };
     *
     *   var handlePage = function(err, response) {
     *     if (err) {
     *       console.error(err);
     *       return;
     *     }
     *
     *     var subscriptionsPage = response['subscriptions'];
     *     if (!subscriptionsPage) {
     *       return;
     *     }
     *     for (var i = 0; i < subscriptionsPage.length; i++) {
     *       // TODO: Change code below to process each resource in
     * `subscriptionsPage`: console.log(JSON.stringify(subscriptionsPage[i], null,
     * 2));
     *     }
     *
     *     if (response.nextPageToken) {
     *       request.pageToken = response.nextPageToken;
     *       pubsub.projects.subscriptions.list(request, handlePage);
     *     }
     *   };
     *
     *   pubsub.projects.subscriptions.list(request, handlePage);
     * });
     *
     * function authorize(callback) {
     *   google.auth.getApplicationDefault(function(err, authClient) {
     *     if (err) {
     *       console.error('authentication failed: ', err);
     *       return;
     *     }
     *     if (authClient.createScopedRequired &&
     * authClient.createScopedRequired()) { var scopes =
     * ['https://www.googleapis.com/auth/cloud-platform']; authClient =
     * authClient.createScoped(scopes);
     *     }
     *     callback(authClient);
     *   });
     * }
     * @alias pubsub.projects.subscriptions.list
     * @memberOf! ()
     *
     * @param {object} params Parameters for request
     * @param {integer=} params.pageSize Maximum number of subscriptions to return.
     * @param {string=} params.pageToken The value returned by the last `ListSubscriptionsResponse`; indicates that this is a continuation of a prior `ListSubscriptions` call, and that the system should return the next page of data.
     * @param {string} params.project The name of the cloud project that subscriptions belong to. Format is `projects/{project}`.
     * @param {object} [options] Optionally override request options, such as `url`, `method`, and `encoding`.
     * @param {callback} callback The callback that handles the response.
     * @return {object} Request object
     */
    list(params?: any, options?: MethodOptions): AxiosPromise<Schema$ListSubscriptionsResponse>;
    list(params?: any, options?: MethodOptions | BodyResponseCallback<Schema$ListSubscriptionsResponse>, callback?: BodyResponseCallback<Schema$ListSubscriptionsResponse>): void;
    /**
     * pubsub.projects.subscriptions.modifyAckDeadline
     * @desc Modifies the ack deadline for a specific message. This method is
     * useful to indicate that more time is needed to process a message by the
     * subscriber, or to make the message available for redelivery if the
     * processing was interrupted. Note that this does not modify the
     * subscription-level `ackDeadlineSeconds` used for subsequent messages.
     * @example
     * * // BEFORE RUNNING:
     * // ---------------
     * // 1. If not already done, enable the Google Cloud Pub/Sub API
     * //    and check the quota for your project at
     * //    https://console.developers.google.com/apis/api/pubsub
     * // 2. This sample uses Application Default Credentials for authentication.
     * //    If not already done, install the gcloud CLI from
     * //    https://cloud.google.com/sdk and run
     * //    `gcloud beta auth application-default login`.
     * //    For more information, see
     * //
     * https://developers.google.com/identity/protocols/application-default-credentials
     * // 3. Install the Node.js client library by running
     * //    `npm install googleapis --save`
     *
     * var google = require('googleapis');
     * var pubsub = google.pubsub('v1');
     *
     * authorize(function(authClient) {
     *   var request = {
     *     // The name of the subscription.
     *     // Format is `projects/{project}/subscriptions/{sub}`.
     *     subscription: 'projects/my-project/subscriptions/my-subscription',  //
     * TODO: Update placeholder value.
     *
     *     resource: {
     *       // TODO: Add desired properties to the request body.
     *     },
     *
     *     auth: authClient,
     *   };
     *
     *   pubsub.projects.subscriptions.modifyAckDeadline(request, function(err) {
     *     if (err) {
     *       console.error(err);
     *       return;
     *     }
     *   });
     * });
     *
     * function authorize(callback) {
     *   google.auth.getApplicationDefault(function(err, authClient) {
     *     if (err) {
     *       console.error('authentication failed: ', err);
     *       return;
     *     }
     *     if (authClient.createScopedRequired &&
     * authClient.createScopedRequired()) { var scopes =
     * ['https://www.googleapis.com/auth/cloud-platform']; authClient =
     * authClient.createScoped(scopes);
     *     }
     *     callback(authClient);
     *   });
     * }
     * @alias pubsub.projects.subscriptions.modifyAckDeadline
     * @memberOf! ()
     *
     * @param {object} params Parameters for request
     * @param {string} params.subscription The name of the subscription. Format is `projects/{project}/subscriptions/{sub}`.
     * @param {().ModifyAckDeadlineRequest} params.resource Request body data
     * @param {object} [options] Optionally override request options, such as `url`, `method`, and `encoding`.
     * @param {callback} callback The callback that handles the response.
     * @return {object} Request object
     */
    modifyAckDeadline(params?: any, options?: MethodOptions): AxiosPromise<Schema$Empty>;
    modifyAckDeadline(params?: any, options?: MethodOptions | BodyResponseCallback<Schema$Empty>, callback?: BodyResponseCallback<Schema$Empty>): void;
    /**
     * pubsub.projects.subscriptions.modifyPushConfig
     * @desc Modifies the `PushConfig` for a specified subscription.  This may be
     * used to change a push subscription to a pull one (signified by an empty
     * `PushConfig`) or vice versa, or change the endpoint URL and other
     * attributes of a push subscription. Messages will accumulate for delivery
     * continuously through the call regardless of changes to the `PushConfig`.
     * @example
     * * // BEFORE RUNNING:
     * // ---------------
     * // 1. If not already done, enable the Google Cloud Pub/Sub API
     * //    and check the quota for your project at
     * //    https://console.developers.google.com/apis/api/pubsub
     * // 2. This sample uses Application Default Credentials for authentication.
     * //    If not already done, install the gcloud CLI from
     * //    https://cloud.google.com/sdk and run
     * //    `gcloud beta auth application-default login`.
     * //    For more information, see
     * //
     * https://developers.google.com/identity/protocols/application-default-credentials
     * // 3. Install the Node.js client library by running
     * //    `npm install googleapis --save`
     *
     * var google = require('googleapis');
     * var pubsub = google.pubsub('v1');
     *
     * authorize(function(authClient) {
     *   var request = {
     *     // The name of the subscription.
     *     // Format is `projects/{project}/subscriptions/{sub}`.
     *     subscription: 'projects/my-project/subscriptions/my-subscription',  //
     * TODO: Update placeholder value.
     *
     *     resource: {
     *       // TODO: Add desired properties to the request body.
     *     },
     *
     *     auth: authClient,
     *   };
     *
     *   pubsub.projects.subscriptions.modifyPushConfig(request, function(err) {
     *     if (err) {
     *       console.error(err);
     *       return;
     *     }
     *   });
     * });
     *
     * function authorize(callback) {
     *   google.auth.getApplicationDefault(function(err, authClient) {
     *     if (err) {
     *       console.error('authentication failed: ', err);
     *       return;
     *     }
     *     if (authClient.createScopedRequired &&
     * authClient.createScopedRequired()) { var scopes =
     * ['https://www.googleapis.com/auth/cloud-platform']; authClient =
     * authClient.createScoped(scopes);
     *     }
     *     callback(authClient);
     *   });
     * }
     * @alias pubsub.projects.subscriptions.modifyPushConfig
     * @memberOf! ()
     *
     * @param {object} params Parameters for request
     * @param {string} params.subscription The name of the subscription. Format is `projects/{project}/subscriptions/{sub}`.
     * @param {().ModifyPushConfigRequest} params.resource Request body data
     * @param {object} [options] Optionally override request options, such as `url`, `method`, and `encoding`.
     * @param {callback} callback The callback that handles the response.
     * @return {object} Request object
     */
    modifyPushConfig(params?: any, options?: MethodOptions): AxiosPromise<Schema$Empty>;
    modifyPushConfig(params?: any, options?: MethodOptions | BodyResponseCallback<Schema$Empty>, callback?: BodyResponseCallback<Schema$Empty>): void;
    /**
     * pubsub.projects.subscriptions.patch
     * @desc Updates an existing subscription. Note that certain properties of a
     * subscription, such as its topic, are not modifiable.
     * @alias pubsub.projects.subscriptions.patch
     * @memberOf! ()
     *
     * @param {object} params Parameters for request
     * @param {string} params.name The name of the subscription. It must have the format `"projects/{project}/subscriptions/{subscription}"`. `{subscription}` must start with a letter, and contain only letters (`[A-Za-z]`), numbers (`[0-9]`), dashes (`-`), underscores (`_`), periods (`.`), tildes (`~`), plus (`+`) or percent signs (`%`). It must be between 3 and 255 characters in length, and it must not start with `"goog"`.
     * @param {().UpdateSubscriptionRequest} params.resource Request body data
     * @param {object} [options] Optionally override request options, such as `url`, `method`, and `encoding`.
     * @param {callback} callback The callback that handles the response.
     * @return {object} Request object
     */
    patch(params?: any, options?: MethodOptions): AxiosPromise<Schema$Subscription>;
    patch(params?: any, options?: MethodOptions | BodyResponseCallback<Schema$Subscription>, callback?: BodyResponseCallback<Schema$Subscription>): void;
    /**
     * pubsub.projects.subscriptions.pull
     * @desc Pulls messages from the server. Returns an empty list if there are no
     * messages available in the backlog. The server may return `UNAVAILABLE` if
     * there are too many concurrent pull requests pending for the given
     * subscription.
     * @example
     * * // BEFORE RUNNING:
     * // ---------------
     * // 1. If not already done, enable the Google Cloud Pub/Sub API
     * //    and check the quota for your project at
     * //    https://console.developers.google.com/apis/api/pubsub
     * // 2. This sample uses Application Default Credentials for authentication.
     * //    If not already done, install the gcloud CLI from
     * //    https://cloud.google.com/sdk and run
     * //    `gcloud beta auth application-default login`.
     * //    For more information, see
     * //
     * https://developers.google.com/identity/protocols/application-default-credentials
     * // 3. Install the Node.js client library by running
     * //    `npm install googleapis --save`
     *
     * var google = require('googleapis');
     * var pubsub = google.pubsub('v1');
     *
     * authorize(function(authClient) {
     *   var request = {
     *     // The subscription from which messages should be pulled.
     *     // Format is `projects/{project}/subscriptions/{sub}`.
     *     subscription: 'projects/my-project/subscriptions/my-subscription',  //
     * TODO: Update placeholder value.
     *
     *     resource: {
     *       // TODO: Add desired properties to the request body.
     *     },
     *
     *     auth: authClient,
     *   };
     *
     *   pubsub.projects.subscriptions.pull(request, function(err, response) {
     *     if (err) {
     *       console.error(err);
     *       return;
     *     }
     *
     *     // TODO: Change code below to process the `response` object:
     *     console.log(JSON.stringify(response, null, 2));
     *   });
     * });
     *
     * function authorize(callback) {
     *   google.auth.getApplicationDefault(function(err, authClient) {
     *     if (err) {
     *       console.error('authentication failed: ', err);
     *       return;
     *     }
     *     if (authClient.createScopedRequired &&
     * authClient.createScopedRequired()) { var scopes =
     * ['https://www.googleapis.com/auth/cloud-platform']; authClient =
     * authClient.createScoped(scopes);
     *     }
     *     callback(authClient);
     *   });
     * }
     * @alias pubsub.projects.subscriptions.pull
     * @memberOf! ()
     *
     * @param {object} params Parameters for request
     * @param {string} params.subscription The subscription from which messages should be pulled. Format is `projects/{project}/subscriptions/{sub}`.
     * @param {().PullRequest} params.resource Request body data
     * @param {object} [options] Optionally override request options, such as `url`, `method`, and `encoding`.
     * @param {callback} callback The callback that handles the response.
     * @return {object} Request object
     */
    pull(params?: any, options?: MethodOptions): AxiosPromise<Schema$PullResponse>;
    pull(params?: any, options?: MethodOptions | BodyResponseCallback<Schema$PullResponse>, callback?: BodyResponseCallback<Schema$PullResponse>): void;
    /**
     * pubsub.projects.subscriptions.seek
     * @desc Seeks an existing subscription to a point in time or to a given
     * snapshot, whichever is provided in the request. [ALPHA] This method is a
     * part of a closed Alpha API.
     * @alias pubsub.projects.subscriptions.seek
     * @memberOf! ()
     *
     * @param {object} params Parameters for request
     * @param {string} params.subscription The subscription to affect.
     * @param {().SeekRequest} params.resource Request body data
     * @param {object} [options] Optionally override request options, such as `url`, `method`, and `encoding`.
     * @param {callback} callback The callback that handles the response.
     * @return {object} Request object
     */
    seek(params?: any, options?: MethodOptions): AxiosPromise<Schema$SeekResponse>;
    seek(params?: any, options?: MethodOptions | BodyResponseCallback<Schema$SeekResponse>, callback?: BodyResponseCallback<Schema$SeekResponse>): void;
    /**
     * pubsub.projects.subscriptions.setIamPolicy
     * @desc Sets the access control policy on the specified resource. Replaces
     * any existing policy.
     * @example
     * * // BEFORE RUNNING:
     * // ---------------
     * // 1. If not already done, enable the Google Cloud Pub/Sub API
     * //    and check the quota for your project at
     * //    https://console.developers.google.com/apis/api/pubsub
     * // 2. This sample uses Application Default Credentials for authentication.
     * //    If not already done, install the gcloud CLI from
     * //    https://cloud.google.com/sdk and run
     * //    `gcloud beta auth application-default login`.
     * //    For more information, see
     * //
     * https://developers.google.com/identity/protocols/application-default-credentials
     * // 3. Install the Node.js client library by running
     * //    `npm install googleapis --save`
     *
     * var google = require('googleapis');
     * var pubsub = google.pubsub('v1');
     *
     * authorize(function(authClient) {
     *   var request = {
     *     // REQUIRED: The resource for which the policy is being specified.
     *     // See the operation documentation for the appropriate value for this
     * field. resource_: 'projects/my-project/subscriptions/my-subscription',  //
     * TODO: Update placeholder value.
     *
     *     resource: {
     *       // TODO: Add desired properties to the request body.
     *     },
     *
     *     auth: authClient,
     *   };
     *
     *   pubsub.projects.subscriptions.setIamPolicy(request, function(err,
     * response) { if (err) { console.error(err); return;
     *     }
     *
     *     // TODO: Change code below to process the `response` object:
     *     console.log(JSON.stringify(response, null, 2));
     *   });
     * });
     *
     * function authorize(callback) {
     *   google.auth.getApplicationDefault(function(err, authClient) {
     *     if (err) {
     *       console.error('authentication failed: ', err);
     *       return;
     *     }
     *     if (authClient.createScopedRequired &&
     * authClient.createScopedRequired()) { var scopes =
     * ['https://www.googleapis.com/auth/cloud-platform']; authClient =
     * authClient.createScoped(scopes);
     *     }
     *     callback(authClient);
     *   });
     * }
     * @alias pubsub.projects.subscriptions.setIamPolicy
     * @memberOf! ()
     *
     * @param {object} params Parameters for request
     * @param {string} params.resource_ REQUIRED: The resource for which the policy is being specified. See the operation documentation for the appropriate value for this field.
     * @param {().SetIamPolicyRequest} params.resource Request body data
     * @param {object} [options] Optionally override request options, such as `url`, `method`, and `encoding`.
     * @param {callback} callback The callback that handles the response.
     * @return {object} Request object
     */
    setIamPolicy(params?: any, options?: MethodOptions): AxiosPromise<Schema$Policy>;
    setIamPolicy(params?: any, options?: MethodOptions | BodyResponseCallback<Schema$Policy>, callback?: BodyResponseCallback<Schema$Policy>): void;
    /**
     * pubsub.projects.subscriptions.testIamPermissions
     * @desc Returns permissions that a caller has on the specified resource. If
     * the resource does not exist, this will return an empty set of permissions,
     * not a 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.
     * @example
     * * // BEFORE RUNNING:
     * // ---------------
     * // 1. If not already done, enable the Google Cloud Pub/Sub API
     * //    and check the quota for your project at
     * //    https://console.developers.google.com/apis/api/pubsub
     * // 2. This sample uses Application Default Credentials for authentication.
     * //    If not already done, install the gcloud CLI from
     * //    https://cloud.google.com/sdk and run
     * //    `gcloud beta auth application-default login`.
     * //    For more information, see
     * //
     * https://developers.google.com/identity/protocols/application-default-credentials
     * // 3. Install the Node.js client library by running
     * //    `npm install googleapis --save`
     *
     * var google = require('googleapis');
     * var pubsub = google.pubsub('v1');
     *
     * authorize(function(authClient) {
     *   var request = {
     *     // REQUIRED: The resource for which the policy detail is being
     * requested.
     *     // See the operation documentation for the appropriate value for this
     * field. resource_: 'projects/my-project/subscriptions/my-subscription',  //
     * TODO: Update placeholder value.
     *
     *     resource: {
     *       // TODO: Add desired properties to the request body.
     *     },
     *
     *     auth: authClient,
     *   };
     *
     *   pubsub.projects.subscriptions.testIamPermissions(request, function(err,
     * response) { if (err) { console.error(err); return;
     *     }
     *
     *     // TODO: Change code below to process the `response` object:
     *     console.log(JSON.stringify(response, null, 2));
     *   });
     * });
     *
     * function authorize(callback) {
     *   google.auth.getApplicationDefault(function(err, authClient) {
     *     if (err) {
     *       console.error('authentication failed: ', err);
     *       return;
     *     }
     *     if (authClient.createScopedRequired &&
     * authClient.createScopedRequired()) { var scopes =
     * ['https://www.googleapis.com/auth/cloud-platform']; authClient =
     * authClient.createScoped(scopes);
     *     }
     *     callback(authClient);
     *   });
     * }
     * @alias pubsub.projects.subscriptions.testIamPermissions
     * @memberOf! ()
     *
     * @param {object} params Parameters for request
     * @param {string} params.resource_ REQUIRED: The resource for which the policy detail is being requested. See the operation documentation for the appropriate value for this field.
     * @param {().TestIamPermissionsRequest} params.resource Request body data
     * @param {object} [options] Optionally override request options, such as `url`, `method`, and `encoding`.
     * @param {callback} callback The callback that handles the response.
     * @return {object} Request object
     */
    testIamPermissions(params?: any, options?: MethodOptions): AxiosPromise<Schema$TestIamPermissionsResponse>;
    testIamPermissions(params?: any, options?: MethodOptions | BodyResponseCallback<Schema$TestIamPermissionsResponse>, callback?: BodyResponseCallback<Schema$TestIamPermissionsResponse>): void;
}
export declare class Resource$Projects$Topics {
    root: Pubsub;
    snapshots: Resource$Projects$Topics$Snapshots;
    subscriptions: Resource$Projects$Topics$Subscriptions;
    constructor(root: Pubsub);
    getRoot(): Pubsub;
    /**
     * pubsub.projects.topics.create
     * @desc Creates the given topic with the given name.
     * @example
     * * // BEFORE RUNNING:
     * // ---------------
     * // 1. If not already done, enable the Google Cloud Pub/Sub API
     * //    and check the quota for your project at
     * //    https://console.developers.google.com/apis/api/pubsub
     * // 2. This sample uses Application Default Credentials for authentication.
     * //    If not already done, install the gcloud CLI from
     * //    https://cloud.google.com/sdk and run
     * //    `gcloud beta auth application-default login`.
     * //    For more information, see
     * //
     * https://developers.google.com/identity/protocols/application-default-credentials
     * // 3. Install the Node.js client library by running
     * //    `npm install googleapis --save`
     *
     * var google = require('googleapis');
     * var pubsub = google.pubsub('v1');
     *
     * authorize(function(authClient) {
     *   var request = {
     *     // The name of the topic. It must have the format
     *     // `"projects/{project}/topics/{topic}"`. `{topic}` must start with a
     * letter,
     *     // and contain only letters (`[A-Za-z]`), numbers (`[0-9]`), dashes
     * (`-`),
     *     // underscores (`_`), periods (`.`), tildes (`~`), plus (`+`) or
     * percent
     *     // signs (`%`). It must be between 3 and 255 characters in length, and
     * it
     *     // must not start with `"goog"`.
     *     name: 'projects/my-project/topics/my-topic',  // TODO: Update
     * placeholder value.
     *
     *     resource: {
     *       // TODO: Add desired properties to the request body. All existing
     * properties
     *       // will be replaced.
     *     },
     *
     *     auth: authClient,
     *   };
     *
     *   pubsub.projects.topics.create(request, function(err, response) {
     *     if (err) {
     *       console.error(err);
     *       return;
     *     }
     *
     *     // TODO: Change code below to process the `response` object:
     *     console.log(JSON.stringify(response, null, 2));
     *   });
     * });
     *
     * function authorize(callback) {
     *   google.auth.getApplicationDefault(function(err, authClient) {
     *     if (err) {
     *       console.error('authentication failed: ', err);
     *       return;
     *     }
     *     if (authClient.createScopedRequired &&
     * authClient.createScopedRequired()) { var scopes =
     * ['https://www.googleapis.com/auth/cloud-platform']; authClient =
     * authClient.createScoped(scopes);
     *     }
     *     callback(authClient);
     *   });
     * }
     * @alias pubsub.projects.topics.create
     * @memberOf! ()
     *
     * @param {object} params Parameters for request
     * @param {string} params.name The name of the topic. It must have the format `"projects/{project}/topics/{topic}"`. `{topic}` must start with a letter, and contain only letters (`[A-Za-z]`), numbers (`[0-9]`), dashes (`-`), underscores (`_`), periods (`.`), tildes (`~`), plus (`+`) or percent signs (`%`). It must be between 3 and 255 characters in length, and it must not start with `"goog"`.
     * @param {().Topic} params.resource Request body data
     * @param {object} [options] Optionally override request options, such as `url`, `method`, and `encoding`.
     * @param {callback} callback The callback that handles the response.
     * @return {object} Request object
     */
    create(params?: any, options?: MethodOptions): AxiosPromise<Schema$Topic>;
    create(params?: any, options?: MethodOptions | BodyResponseCallback<Schema$Topic>, callback?: BodyResponseCallback<Schema$Topic>): void;
    /**
     * pubsub.projects.topics.delete
     * @desc Deletes the topic with the given name. Returns `NOT_FOUND` if the
     * topic does not exist. After a topic is deleted, a new topic may be created
     * with the same name; this is an entirely new topic with none of the old
     * configuration or subscriptions. Existing subscriptions to this topic are
     * not deleted, but their `topic` field is set to `_deleted-topic_`.
     * @example
     * * // BEFORE RUNNING:
     * // ---------------
     * // 1. If not already done, enable the Google Cloud Pub/Sub API
     * //    and check the quota for your project at
     * //    https://console.developers.google.com/apis/api/pubsub
     * // 2. This sample uses Application Default Credentials for authentication.
     * //    If not already done, install the gcloud CLI from
     * //    https://cloud.google.com/sdk and run
     * //    `gcloud beta auth application-default login`.
     * //    For more information, see
     * //
     * https://developers.google.com/identity/protocols/application-default-credentials
     * // 3. Install the Node.js client library by running
     * //    `npm install googleapis --save`
     *
     * var google = require('googleapis');
     * var pubsub = google.pubsub('v1');
     *
     * authorize(function(authClient) {
     *   var request = {
     *     // Name of the topic to delete.
     *     // Format is `projects/{project}/topics/{topic}`.
     *     topic: 'projects/my-project/topics/my-topic',  // TODO: Update
     * placeholder value.
     *
     *     auth: authClient,
     *   };
     *
     *   pubsub.projects.topics.delete(request, function(err) {
     *     if (err) {
     *       console.error(err);
     *       return;
     *     }
     *   });
     * });
     *
     * function authorize(callback) {
     *   google.auth.getApplicationDefault(function(err, authClient) {
     *     if (err) {
     *       console.error('authentication failed: ', err);
     *       return;
     *     }
     *     if (authClient.createScopedRequired &&
     * authClient.createScopedRequired()) { var scopes =
     * ['https://www.googleapis.com/auth/cloud-platform']; authClient =
     * authClient.createScoped(scopes);
     *     }
     *     callback(authClient);
     *   });
     * }
     * @alias pubsub.projects.topics.delete
     * @memberOf! ()
     *
     * @param {object} params Parameters for request
     * @param {string} params.topic Name of the topic to delete. Format is `projects/{project}/topics/{topic}`.
     * @param {object} [options] Optionally override request options, such as `url`, `method`, and `encoding`.
     * @param {callback} callback The callback that handles the response.
     * @return {object} Request object
     */
    delete(params?: any, options?: MethodOptions): AxiosPromise<Schema$Empty>;
    delete(params?: any, options?: MethodOptions | BodyResponseCallback<Schema$Empty>, callback?: BodyResponseCallback<Schema$Empty>): void;
    /**
     * pubsub.projects.topics.get
     * @desc Gets the configuration of a topic.
     * @example
     * * // BEFORE RUNNING:
     * // ---------------
     * // 1. If not already done, enable the Google Cloud Pub/Sub API
     * //    and check the quota for your project at
     * //    https://console.developers.google.com/apis/api/pubsub
     * // 2. This sample uses Application Default Credentials for authentication.
     * //    If not already done, install the gcloud CLI from
     * //    https://cloud.google.com/sdk and run
     * //    `gcloud beta auth application-default login`.
     * //    For more information, see
     * //
     * https://developers.google.com/identity/protocols/application-default-credentials
     * // 3. Install the Node.js client library by running
     * //    `npm install googleapis --save`
     *
     * var google = require('googleapis');
     * var pubsub = google.pubsub('v1');
     *
     * authorize(function(authClient) {
     *   var request = {
     *     // The name of the topic to get.
     *     // Format is `projects/{project}/topics/{topic}`.
     *     topic: 'projects/my-project/topics/my-topic',  // TODO: Update
     * placeholder value.
     *
     *     auth: authClient,
     *   };
     *
     *   pubsub.projects.topics.get(request, function(err, response) {
     *     if (err) {
     *       console.error(err);
     *       return;
     *     }
     *
     *     // TODO: Change code below to process the `response` object:
     *     console.log(JSON.stringify(response, null, 2));
     *   });
     * });
     *
     * function authorize(callback) {
     *   google.auth.getApplicationDefault(function(err, authClient) {
     *     if (err) {
     *       console.error('authentication failed: ', err);
     *       return;
     *     }
     *     if (authClient.createScopedRequired &&
     * authClient.createScopedRequired()) { var scopes =
     * ['https://www.googleapis.com/auth/cloud-platform']; authClient =
     * authClient.createScoped(scopes);
     *     }
     *     callback(authClient);
     *   });
     * }
     * @alias pubsub.projects.topics.get
     * @memberOf! ()
     *
     * @param {object} params Parameters for request
     * @param {string} params.topic The name of the topic to get. Format is `projects/{project}/topics/{topic}`.
     * @param {object} [options] Optionally override request options, such as `url`, `method`, and `encoding`.
     * @param {callback} callback The callback that handles the response.
     * @return {object} Request object
     */
    get(params?: any, options?: MethodOptions): AxiosPromise<Schema$Topic>;
    get(params?: any, options?: MethodOptions | BodyResponseCallback<Schema$Topic>, callback?: BodyResponseCallback<Schema$Topic>): void;
    /**
     * pubsub.projects.topics.getIamPolicy
     * @desc Gets the access control policy for a resource. Returns an empty
     * policy if the resource exists and does not have a policy set.
     * @example
     * * // BEFORE RUNNING:
     * // ---------------
     * // 1. If not already done, enable the Google Cloud Pub/Sub API
     * //    and check the quota for your project at
     * //    https://console.developers.google.com/apis/api/pubsub
     * // 2. This sample uses Application Default Credentials for authentication.
     * //    If not already done, install the gcloud CLI from
     * //    https://cloud.google.com/sdk and run
     * //    `gcloud beta auth application-default login`.
     * //    For more information, see
     * //
     * https://developers.google.com/identity/protocols/application-default-credentials
     * // 3. Install the Node.js client library by running
     * //    `npm install googleapis --save`
     *
     * var google = require('googleapis');
     * var pubsub = google.pubsub('v1');
     *
     * authorize(function(authClient) {
     *   var request = {
     *     // REQUIRED: The resource for which the policy is being requested.
     *     // See the operation documentation for the appropriate value for this
     * field. resource_: 'projects/my-project/topics/my-topic',  // TODO: Update
     * placeholder value.
     *
     *     auth: authClient,
     *   };
     *
     *   pubsub.projects.topics.getIamPolicy(request, function(err, response) {
     *     if (err) {
     *       console.error(err);
     *       return;
     *     }
     *
     *     // TODO: Change code below to process the `response` object:
     *     console.log(JSON.stringify(response, null, 2));
     *   });
     * });
     *
     * function authorize(callback) {
     *   google.auth.getApplicationDefault(function(err, authClient) {
     *     if (err) {
     *       console.error('authentication failed: ', err);
     *       return;
     *     }
     *     if (authClient.createScopedRequired &&
     * authClient.createScopedRequired()) { var scopes =
     * ['https://www.googleapis.com/auth/cloud-platform']; authClient =
     * authClient.createScoped(scopes);
     *     }
     *     callback(authClient);
     *   });
     * }
     * @alias pubsub.projects.topics.getIamPolicy
     * @memberOf! ()
     *
     * @param {object} params Parameters for request
     * @param {string} params.resource_ REQUIRED: The resource for which the policy is being requested. See the operation documentation for the appropriate value for this field.
     * @param {object} [options] Optionally override request options, such as `url`, `method`, and `encoding`.
     * @param {callback} callback The callback that handles the response.
     * @return {object} Request object
     */
    getIamPolicy(params?: any, options?: MethodOptions): AxiosPromise<Schema$Policy>;
    getIamPolicy(params?: any, options?: MethodOptions | BodyResponseCallback<Schema$Policy>, callback?: BodyResponseCallback<Schema$Policy>): void;
    /**
     * pubsub.projects.topics.list
     * @desc Lists matching topics.
     * @example
     * * // BEFORE RUNNING:
     * // ---------------
     * // 1. If not already done, enable the Google Cloud Pub/Sub API
     * //    and check the quota for your project at
     * //    https://console.developers.google.com/apis/api/pubsub
     * // 2. This sample uses Application Default Credentials for authentication.
     * //    If not already done, install the gcloud CLI from
     * //    https://cloud.google.com/sdk and run
     * //    `gcloud beta auth application-default login`.
     * //    For more information, see
     * //
     * https://developers.google.com/identity/protocols/application-default-credentials
     * // 3. Install the Node.js client library by running
     * //    `npm install googleapis --save`
     *
     * var google = require('googleapis');
     * var pubsub = google.pubsub('v1');
     *
     * authorize(function(authClient) {
     *   var request = {
     *     // The name of the cloud project that topics belong to.
     *     // Format is `projects/{project}`.
     *     project: 'projects/my-project',  // TODO: Update placeholder value.
     *
     *     auth: authClient,
     *   };
     *
     *   var handlePage = function(err, response) {
     *     if (err) {
     *       console.error(err);
     *       return;
     *     }
     *
     *     var topicsPage = response['topics'];
     *     if (!topicsPage) {
     *       return;
     *     }
     *     for (var i = 0; i < topicsPage.length; i++) {
     *       // TODO: Change code below to process each resource in `topicsPage`:
     *       console.log(JSON.stringify(topicsPage[i], null, 2));
     *     }
     *
     *     if (response.nextPageToken) {
     *       request.pageToken = response.nextPageToken;
     *       pubsub.projects.topics.list(request, handlePage);
     *     }
     *   };
     *
     *   pubsub.projects.topics.list(request, handlePage);
     * });
     *
     * function authorize(callback) {
     *   google.auth.getApplicationDefault(function(err, authClient) {
     *     if (err) {
     *       console.error('authentication failed: ', err);
     *       return;
     *     }
     *     if (authClient.createScopedRequired &&
     * authClient.createScopedRequired()) { var scopes =
     * ['https://www.googleapis.com/auth/cloud-platform']; authClient =
     * authClient.createScoped(scopes);
     *     }
     *     callback(authClient);
     *   });
     * }
     * @alias pubsub.projects.topics.list
     * @memberOf! ()
     *
     * @param {object} params Parameters for request
     * @param {integer=} params.pageSize Maximum number of topics to return.
     * @param {string=} params.pageToken The value returned by the last `ListTopicsResponse`; indicates that this is a continuation of a prior `ListTopics` call, and that the system should return the next page of data.
     * @param {string} params.project The name of the cloud project that topics belong to. Format is `projects/{project}`.
     * @param {object} [options] Optionally override request options, such as `url`, `method`, and `encoding`.
     * @param {callback} callback The callback that handles the response.
     * @return {object} Request object
     */
    list(params?: any, options?: MethodOptions): AxiosPromise<Schema$ListTopicsResponse>;
    list(params?: any, options?: MethodOptions | BodyResponseCallback<Schema$ListTopicsResponse>, callback?: BodyResponseCallback<Schema$ListTopicsResponse>): void;
    /**
     * pubsub.projects.topics.publish
     * @desc Adds one or more messages to the topic. Returns `NOT_FOUND` if the
     * topic does not exist. The message payload must not be empty; it must
     * contain  either a non-empty data field, or at least one attribute.
     * @example
     * * // BEFORE RUNNING:
     * // ---------------
     * // 1. If not already done, enable the Google Cloud Pub/Sub API
     * //    and check the quota for your project at
     * //    https://console.developers.google.com/apis/api/pubsub
     * // 2. This sample uses Application Default Credentials for authentication.
     * //    If not already done, install the gcloud CLI from
     * //    https://cloud.google.com/sdk and run
     * //    `gcloud beta auth application-default login`.
     * //    For more information, see
     * //
     * https://developers.google.com/identity/protocols/application-default-credentials
     * // 3. Install the Node.js client library by running
     * //    `npm install googleapis --save`
     *
     * var google = require('googleapis');
     * var pubsub = google.pubsub('v1');
     *
     * authorize(function(authClient) {
     *   var request = {
     *     // The messages in the request will be published on this topic.
     *     // Format is `projects/{project}/topics/{topic}`.
     *     topic: 'projects/my-project/topics/my-topic',  // TODO: Update
     * placeholder value.
     *
     *     resource: {
     *       // TODO: Add desired properties to the request body.
     *     },
     *
     *     auth: authClient,
     *   };
     *
     *   pubsub.projects.topics.publish(request, function(err, response) {
     *     if (err) {
     *       console.error(err);
     *       return;
     *     }
     *
     *     // TODO: Change code below to process the `response` object:
     *     console.log(JSON.stringify(response, null, 2));
     *   });
     * });
     *
     * function authorize(callback) {
     *   google.auth.getApplicationDefault(function(err, authClient) {
     *     if (err) {
     *       console.error('authentication failed: ', err);
     *       return;
     *     }
     *     if (authClient.createScopedRequired &&
     * authClient.createScopedRequired()) { var scopes =
     * ['https://www.googleapis.com/auth/cloud-platform']; authClient =
     * authClient.createScoped(scopes);
     *     }
     *     callback(authClient);
     *   });
     * }
     * @alias pubsub.projects.topics.publish
     * @memberOf! ()
     *
     * @param {object} params Parameters for request
     * @param {string} params.topic The messages in the request will be published on this topic. Format is `projects/{project}/topics/{topic}`.
     * @param {().PublishRequest} params.resource Request body data
     * @param {object} [options] Optionally override request options, such as `url`, `method`, and `encoding`.
     * @param {callback} callback The callback that handles the response.
     * @return {object} Request object
     */
    publish(params?: any, options?: MethodOptions): AxiosPromise<Schema$PublishResponse>;
    publish(params?: any, options?: MethodOptions | BodyResponseCallback<Schema$PublishResponse>, callback?: BodyResponseCallback<Schema$PublishResponse>): void;
    /**
     * pubsub.projects.topics.setIamPolicy
     * @desc Sets the access control policy on the specified resource. Replaces
     * any existing policy.
     * @example
     * * // BEFORE RUNNING:
     * // ---------------
     * // 1. If not already done, enable the Google Cloud Pub/Sub API
     * //    and check the quota for your project at
     * //    https://console.developers.google.com/apis/api/pubsub
     * // 2. This sample uses Application Default Credentials for authentication.
     * //    If not already done, install the gcloud CLI from
     * //    https://cloud.google.com/sdk and run
     * //    `gcloud beta auth application-default login`.
     * //    For more information, see
     * //
     * https://developers.google.com/identity/protocols/application-default-credentials
     * // 3. Install the Node.js client library by running
     * //    `npm install googleapis --save`
     *
     * var google = require('googleapis');
     * var pubsub = google.pubsub('v1');
     *
     * authorize(function(authClient) {
     *   var request = {
     *     // REQUIRED: The resource for which the policy is being specified.
     *     // See the operation documentation for the appropriate value for this
     * field. resource_: 'projects/my-project/topics/my-topic',  // TODO: Update
     * placeholder value.
     *
     *     resource: {
     *       // TODO: Add desired properties to the request body.
     *     },
     *
     *     auth: authClient,
     *   };
     *
     *   pubsub.projects.topics.setIamPolicy(request, function(err, response) {
     *     if (err) {
     *       console.error(err);
     *       return;
     *     }
     *
     *     // TODO: Change code below to process the `response` object:
     *     console.log(JSON.stringify(response, null, 2));
     *   });
     * });
     *
     * function authorize(callback) {
     *   google.auth.getApplicationDefault(function(err, authClient) {
     *     if (err) {
     *       console.error('authentication failed: ', err);
     *       return;
     *     }
     *     if (authClient.createScopedRequired &&
     * authClient.createScopedRequired()) { var scopes =
     * ['https://www.googleapis.com/auth/cloud-platform']; authClient =
     * authClient.createScoped(scopes);
     *     }
     *     callback(authClient);
     *   });
     * }
     * @alias pubsub.projects.topics.setIamPolicy
     * @memberOf! ()
     *
     * @param {object} params Parameters for request
     * @param {string} params.resource_ REQUIRED: The resource for which the policy is being specified. See the operation documentation for the appropriate value for this field.
     * @param {().SetIamPolicyRequest} params.resource Request body data
     * @param {object} [options] Optionally override request options, such as `url`, `method`, and `encoding`.
     * @param {callback} callback The callback that handles the response.
     * @return {object} Request object
     */
    setIamPolicy(params?: any, options?: MethodOptions): AxiosPromise<Schema$Policy>;
    setIamPolicy(params?: any, options?: MethodOptions | BodyResponseCallback<Schema$Policy>, callback?: BodyResponseCallback<Schema$Policy>): void;
    /**
     * pubsub.projects.topics.testIamPermissions
     * @desc Returns permissions that a caller has on the specified resource. If
     * the resource does not exist, this will return an empty set of permissions,
     * not a 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.
     * @example
     * * // BEFORE RUNNING:
     * // ---------------
     * // 1. If not already done, enable the Google Cloud Pub/Sub API
     * //    and check the quota for your project at
     * //    https://console.developers.google.com/apis/api/pubsub
     * // 2. This sample uses Application Default Credentials for authentication.
     * //    If not already done, install the gcloud CLI from
     * //    https://cloud.google.com/sdk and run
     * //    `gcloud beta auth application-default login`.
     * //    For more information, see
     * //
     * https://developers.google.com/identity/protocols/application-default-credentials
     * // 3. Install the Node.js client library by running
     * //    `npm install googleapis --save`
     *
     * var google = require('googleapis');
     * var pubsub = google.pubsub('v1');
     *
     * authorize(function(authClient) {
     *   var request = {
     *     // REQUIRED: The resource for which the policy detail is being
     * requested.
     *     // See the operation documentation for the appropriate value for this
     * field. resource_: 'projects/my-project/topics/my-topic',  // TODO: Update
     * placeholder value.
     *
     *     resource: {
     *       // TODO: Add desired properties to the request body.
     *     },
     *
     *     auth: authClient,
     *   };
     *
     *   pubsub.projects.topics.testIamPermissions(request, function(err,
     * response) { if (err) { console.error(err); return;
     *     }
     *
     *     // TODO: Change code below to process the `response` object:
     *     console.log(JSON.stringify(response, null, 2));
     *   });
     * });
     *
     * function authorize(callback) {
     *   google.auth.getApplicationDefault(function(err, authClient) {
     *     if (err) {
     *       console.error('authentication failed: ', err);
     *       return;
     *     }
     *     if (authClient.createScopedRequired &&
     * authClient.createScopedRequired()) { var scopes =
     * ['https://www.googleapis.com/auth/cloud-platform']; authClient =
     * authClient.createScoped(scopes);
     *     }
     *     callback(authClient);
     *   });
     * }
     * @alias pubsub.projects.topics.testIamPermissions
     * @memberOf! ()
     *
     * @param {object} params Parameters for request
     * @param {string} params.resource_ REQUIRED: The resource for which the policy detail is being requested. See the operation documentation for the appropriate value for this field.
     * @param {().TestIamPermissionsRequest} params.resource Request body data
     * @param {object} [options] Optionally override request options, such as `url`, `method`, and `encoding`.
     * @param {callback} callback The callback that handles the response.
     * @return {object} Request object
     */
    testIamPermissions(params?: any, options?: MethodOptions): AxiosPromise<Schema$TestIamPermissionsResponse>;
    testIamPermissions(params?: any, options?: MethodOptions | BodyResponseCallback<Schema$TestIamPermissionsResponse>, callback?: BodyResponseCallback<Schema$TestIamPermissionsResponse>): void;
}
export declare class Resource$Projects$Topics$Snapshots {
    root: Pubsub;
    constructor(root: Pubsub);
    getRoot(): Pubsub;
    /**
     * pubsub.projects.topics.snapshots.list
     * @desc Lists the names of the snapshots on this topic. [ALPHA] This method
     * is a part of a closed Alpha API.
     * @alias pubsub.projects.topics.snapshots.list
     * @memberOf! ()
     *
     * @param {object} params Parameters for request
     * @param {integer=} params.pageSize Maximum number of snapshot names to return.
     * @param {string=} params.pageToken The value returned by the last `ListTopicSnapshotsResponse`; indicates that this is a continuation of a prior `ListTopicSnapshots` call, and that the system should return the next page of data.
     * @param {string} params.topic The name of the topic that snapshots are attached to. Format is `projects/{project}/topics/{topic}`.
     * @param {object} [options] Optionally override request options, such as `url`, `method`, and `encoding`.
     * @param {callback} callback The callback that handles the response.
     * @return {object} Request object
     */
    list(params?: any, options?: MethodOptions): AxiosPromise<Schema$ListTopicSnapshotsResponse>;
    list(params?: any, options?: MethodOptions | BodyResponseCallback<Schema$ListTopicSnapshotsResponse>, callback?: BodyResponseCallback<Schema$ListTopicSnapshotsResponse>): void;
}
export declare class Resource$Projects$Topics$Subscriptions {
    root: Pubsub;
    constructor(root: Pubsub);
    getRoot(): Pubsub;
    /**
     * pubsub.projects.topics.subscriptions.list
     * @desc Lists the names of the subscriptions on this topic.
     * @example
     * * // BEFORE RUNNING:
     * // ---------------
     * // 1. If not already done, enable the Google Cloud Pub/Sub API
     * //    and check the quota for your project at
     * //    https://console.developers.google.com/apis/api/pubsub
     * // 2. This sample uses Application Default Credentials for authentication.
     * //    If not already done, install the gcloud CLI from
     * //    https://cloud.google.com/sdk and run
     * //    `gcloud beta auth application-default login`.
     * //    For more information, see
     * //
     * https://developers.google.com/identity/protocols/application-default-credentials
     * // 3. Install the Node.js client library by running
     * //    `npm install googleapis --save`
     *
     * var google = require('googleapis');
     * var pubsub = google.pubsub('v1');
     *
     * authorize(function(authClient) {
     *   var request = {
     *     // The name of the topic that subscriptions are attached to.
     *     // Format is `projects/{project}/topics/{topic}`.
     *     topic: 'projects/my-project/topics/my-topic',  // TODO: Update
     * placeholder value.
     *
     *     auth: authClient,
     *   };
     *
     *   var handlePage = function(err, response) {
     *     if (err) {
     *       console.error(err);
     *       return;
     *     }
     *
     *     var subscriptionsPage = response['subscriptions'];
     *     if (!subscriptionsPage) {
     *       return;
     *     }
     *     for (var i = 0; i < subscriptionsPage.length; i++) {
     *       // TODO: Change code below to process each resource in
     * `subscriptionsPage`: console.log(JSON.stringify(subscriptionsPage[i], null,
     * 2));
     *     }
     *
     *     if (response.nextPageToken) {
     *       request.pageToken = response.nextPageToken;
     *       pubsub.projects.topics.subscriptions.list(request, handlePage);
     *     }
     *   };
     *
     *   pubsub.projects.topics.subscriptions.list(request, handlePage);
     * });
     *
     * function authorize(callback) {
     *   google.auth.getApplicationDefault(function(err, authClient) {
     *     if (err) {
     *       console.error('authentication failed: ', err);
     *       return;
     *     }
     *     if (authClient.createScopedRequired &&
     * authClient.createScopedRequired()) { var scopes =
     * ['https://www.googleapis.com/auth/cloud-platform']; authClient =
     * authClient.createScoped(scopes);
     *     }
     *     callback(authClient);
     *   });
     * }
     * @alias pubsub.projects.topics.subscriptions.list
     * @memberOf! ()
     *
     * @param {object} params Parameters for request
     * @param {integer=} params.pageSize Maximum number of subscription names to return.
     * @param {string=} params.pageToken The value returned by the last `ListTopicSubscriptionsResponse`; indicates that this is a continuation of a prior `ListTopicSubscriptions` call, and that the system should return the next page of data.
     * @param {string} params.topic The name of the topic that subscriptions are attached to. Format is `projects/{project}/topics/{topic}`.
     * @param {object} [options] Optionally override request options, such as `url`, `method`, and `encoding`.
     * @param {callback} callback The callback that handles the response.
     * @return {object} Request object
     */
    list(params?: any, options?: MethodOptions): AxiosPromise<Schema$ListTopicSubscriptionsResponse>;
    list(params?: any, options?: MethodOptions | BodyResponseCallback<Schema$ListTopicSubscriptionsResponse>, callback?: BodyResponseCallback<Schema$ListTopicSubscriptionsResponse>): void;
}