/**
 * 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 { Compute, JWT, OAuth2Client, UserRefreshClient } from 'google-auth-library';
import { BodyResponseCallback, GlobalOptions, GoogleConfigurable, MethodOptions } from 'googleapis-common';
export declare namespace pubsub_v1beta1a {
    interface Options extends GlobalOptions {
        version: 'v1beta1a';
    }
    /**
     * Cloud Pub/Sub API
     *
     * Provides reliable, many-to-many, asynchronous messaging between
     * applications.
     *
     * @example
     * const {google} = require('googleapis');
     * const pubsub = google.pubsub('v1beta1a');
     *
     * @namespace pubsub
     * @type {Function}
     * @version v1beta1a
     * @variation v1beta1a
     * @param {object=} options Options for Pubsub
     */
    class Pubsub {
        _options: GlobalOptions;
        google?: GoogleConfigurable;
        root: this;
        subscriptions: Resource$Subscriptions;
        topics: Resource$Topics;
        constructor(options: GlobalOptions, google?: GoogleConfigurable);
        getRoot(): this;
    }
    /**
     * Request for the Acknowledge method.
     */
    interface Schema$AcknowledgeRequest {
        /**
         * The acknowledgment ID for the message being acknowledged. This was
         * returned by the Pub/Sub system in the Pull response.
         */
        ackId?: string[];
        /**
         * The subscription whose message is being acknowledged.
         */
        subscription?: string;
    }
    /**
     * An empty message that you can re-use to avoid defining duplicated empty
     * messages in your project. A typical example is to use it as argument or the
     * return value of a service API. For instance:    service Foo {     rpc Bar
     * (proto2.Empty) returns (proto2.Empty) { };   };  BEGIN GOOGLE-INTERNAL The
     * difference between this one and net/rpc/empty-message.proto is that 1) The
     * generated message here is in proto2 C++ API. 2) The proto2.Empty has
     * minimum dependencies    (no message_set or net/rpc dependencies) END
     * GOOGLE-INTERNAL
     */
    interface Schema$Empty {
    }
    /**
     * A key-value pair applied to a given object.
     */
    interface Schema$Label {
        /**
         * The key of a label is a syntactically valid URL (as per RFC 1738) with
         * the &quot;scheme&quot; and initial slashes omitted and with the
         * additional restrictions noted below.  Each key should be globally unique.
         * The &quot;host&quot; portion is called the &quot;namespace&quot; and is
         * not necessarily resolvable to a network endpoint.  Instead, the namespace
         * indicates what system or entity defines the semantics of the label.
         * Namespaces do not restrict the set of objects to which a label may be
         * associated.  Keys are defined by the following grammar:    key          =
         * hostname &quot;/&quot; kpath   kpath        = ksegment *[ &quot;/&quot;
         * ksegment ]   ksegment     = alphadigit | *[ alphadigit | &quot;-&quot; |
         * &quot;_&quot; | &quot;.&quot; ]  where &quot;hostname&quot; and
         * &quot;alphadigit&quot; are defined as in RFC 1738.  Example key:
         * spanner.google.com/universe
         */
        key?: string;
        /**
         * An integer value.
         */
        numValue?: string;
        /**
         * A string value.
         */
        strValue?: string;
    }
    /**
     * Response for the ListSubscriptions method.
     */
    interface Schema$ListSubscriptionsResponse {
        /**
         * If not empty, indicates that there are more subscriptions that match the
         * request and this value should be passed to the next
         * &lt;code&gt;ListSubscriptionsRequest&lt;/code&gt; to continue.
         */
        nextPageToken?: string;
        /**
         * The subscriptions that match the request.
         */
        subscription?: Schema$Subscription[];
    }
    /**
     * Response for the ListTopics method.
     */
    interface Schema$ListTopicsResponse {
        /**
         * If not empty, indicates that there are more topics that match the
         * request, and this value should be passed to the next
         * &lt;code&gt;ListTopicsRequest&lt;/code&gt; to continue.
         */
        nextPageToken?: string;
        /**
         * The resulting topics.
         */
        topic?: Schema$Topic[];
    }
    /**
     * Request for the ModifyAckDeadline method.
     */
    interface Schema$ModifyAckDeadlineRequest {
        /**
         * The new ack deadline with respect to the time this request was sent to
         * the Pub/Sub system. Must be &gt;= 0. 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.
         */
        ackDeadlineSeconds?: number;
        /**
         * The acknowledgment ID. Either this or ack_ids must be populated, not
         * both.
         */
        ackId?: string;
        /**
         * List of acknowledgment IDs. Either this field or ack_id should be
         * populated, not both.
         */
        ackIds?: string[];
        /**
         * Next Index: 5 The name of the subscription from which messages are being
         * pulled.
         */
        subscription?: string;
    }
    /**
     * Request for the ModifyPushConfig method.
     */
    interface Schema$ModifyPushConfigRequest {
        /**
         * An empty &lt;code&gt;push_config&lt;/code&gt; indicates that the Pub/Sub
         * system should pause pushing messages from the given subscription.
         */
        pushConfig?: Schema$PushConfig;
        /**
         * The name of the subscription.
         */
        subscription?: string;
    }
    /**
     * Request for the PublishBatch method.
     */
    interface Schema$PublishBatchRequest {
        /**
         * The messages to publish.
         */
        messages?: Schema$PubsubMessage[];
        /**
         * The messages in the request will be published on this topic.
         */
        topic?: string;
    }
    /**
     * Response for the PublishBatch method.
     */
    interface Schema$PublishBatchResponse {
        /**
         * The server-assigned ID of each published message, in the same order as
         * the messages in the request. IDs are guaranteed to be unique within the
         * topic.
         */
        messageIds?: string[];
    }
    /**
     * Request for the Publish method.
     */
    interface Schema$PublishRequest {
        /**
         * The message to publish.
         */
        message?: Schema$PubsubMessage;
        /**
         * The message in the request will be published on this topic.
         */
        topic?: string;
    }
    /**
     * An event indicating a received message or truncation event.
     */
    interface Schema$PubsubEvent {
        /**
         * Indicates that this subscription has been deleted. (Note that pull
         * subscribers will always receive NOT_FOUND in response in their pull
         * request on the subscription, rather than seeing this boolean.)
         */
        deleted?: boolean;
        /**
         * A received message.
         */
        message?: Schema$PubsubMessage;
        /**
         * The subscription that received the event.
         */
        subscription?: string;
        /**
         * Indicates that this subscription has been truncated.
         */
        truncated?: boolean;
    }
    /**
     * A message data and its labels.
     */
    interface Schema$PubsubMessage {
        /**
         * The message payload.
         */
        data?: string;
        /**
         * Optional list of labels for this message. Keys in this collection must be
         * unique.
         */
        label?: Schema$Label[];
        /**
         * ID of this message assigned by the server at publication time. Guaranteed
         * to be unique within the topic. This value may be read by a subscriber
         * that receives a PubsubMessage via a Pull call or a push delivery. It must
         * not be populated by a publisher in a Publish call.
         */
        messageId?: string;
        /**
         * The time at which the message was published. The time is milliseconds
         * since the UNIX epoch.
         */
        publishTime?: string;
    }
    /**
     * Request for the PullBatch method.
     */
    interface Schema$PullBatchRequest {
        /**
         * The maximum number of PubsubEvents returned for this request. The Pub/Sub
         * system may return fewer than the number of events specified.
         */
        maxEvents?: number;
        /**
         * If this is specified as true the system will respond immediately even if
         * it is not able to return a message in the Pull response. Otherwise the
         * system is allowed to wait 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;
        /**
         * The subscription from which messages should be pulled.
         */
        subscription?: string;
    }
    /**
     * Response for the PullBatch method.
     */
    interface Schema$PullBatchResponse {
        /**
         * Received Pub/Sub messages or status events. The Pub/Sub system will
         * return zero messages if there are no more messages available in the
         * backlog. The Pub/Sub system may return fewer than the max_events
         * requested even if there are more messages available in the backlog.
         */
        pullResponses?: Schema$PullResponse[];
    }
    /**
     * Request for the Pull method.
     */
    interface Schema$PullRequest {
        /**
         * If this is specified as true the system will respond immediately even if
         * it is not able to return a message in the Pull response. Otherwise the
         * system is allowed to wait until at least one message is available rather
         * than returning FAILED_PRECONDITION. The client may cancel the request if
         * it does not wish to wait any longer for the response.
         */
        returnImmediately?: boolean;
        /**
         * The subscription from which a message should be pulled.
         */
        subscription?: string;
    }
    /**
     * Either a &lt;code&gt;PubsubMessage&lt;/code&gt; or a truncation event. One
     * of these two must be populated.
     */
    interface Schema$PullResponse {
        /**
         * This ID must be used to acknowledge the received event or message.
         */
        ackId?: string;
        /**
         * A pubsub message or truncation event.
         */
        pubsubEvent?: Schema$PubsubEvent;
    }
    /**
     * Configuration for a push delivery endpoint.
     */
    interface Schema$PushConfig {
        /**
         * A URL locating the endpoint to which messages should be pushed. For
         * example, a Webhook endpoint might use
         * &quot;https://example.com/push&quot;.
         */
        pushEndpoint?: string;
    }
    /**
     * A subscription resource.
     */
    interface Schema$Subscription {
        /**
         * For either push or pull delivery, the value is the maximum time after a
         * subscriber receives a message before the subscriber should acknowledge or
         * Nack the message. If the Ack deadline for a message passes without an Ack
         * or a Nack, the Pub/Sub system will eventually redeliver the message. If a
         * subscriber acknowledges after the deadline, the Pub/Sub system may accept
         * the Ack, but it is possible that the message has been already delivered
         * again. Multiple Acks to the message are allowed and will succeed.  For
         * push delivery, this value is used to set the request timeout for the call
         * to the push endpoint.  For pull delivery, this value is used as the
         * initial value for the Ack deadline. It may be overridden for each message
         * using its corresponding ack_id with
         * &lt;code&gt;ModifyAckDeadline&lt;/code&gt;. While a message is
         * outstanding (i.e. it has been delivered to a pull subscriber and the
         * subscriber has not yet Acked or Nacked), the Pub/Sub system will not
         * deliver that message to another pull subscriber (on a best-effort basis).
         */
        ackDeadlineSeconds?: number;
        /**
         * Name of the subscription.
         */
        name?: string;
        /**
         * If push delivery is used with this subscription, this field is used to
         * configure it.
         */
        pushConfig?: Schema$PushConfig;
        /**
         * The name of the topic from which this subscription is receiving messages.
         */
        topic?: string;
    }
    /**
     * A topic resource.
     */
    interface Schema$Topic {
        /**
         * Name of the topic.
         */
        name?: string;
    }
    class Resource$Subscriptions {
        root: Pubsub;
        constructor(root: Pubsub);
        getRoot(): Pubsub;
        /**
         * pubsub.subscriptions.acknowledge
         * @desc Acknowledges a particular received message: the Pub/Sub system can
         * remove the given message from the subscription. Acknowledging a message
         * whose Ack deadline has expired may succeed, but the message could have
         * been already redelivered. Acknowledging a message more than once will not
         * result in an error. This is only used for messages received via pull.
         * @alias pubsub.subscriptions.acknowledge
         * @memberOf! ()
         *
         * @param {object} params Parameters for request
         * @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?: Params$Resource$Subscriptions$Acknowledge, options?: MethodOptions): AxiosPromise<Schema$Empty>;
        acknowledge(params: Params$Resource$Subscriptions$Acknowledge, options: MethodOptions | BodyResponseCallback<Schema$Empty>, callback: BodyResponseCallback<Schema$Empty>): void;
        acknowledge(params: Params$Resource$Subscriptions$Acknowledge, callback: BodyResponseCallback<Schema$Empty>): void;
        acknowledge(callback: BodyResponseCallback<Schema$Empty>): void;
        /**
         * pubsub.subscriptions.create
         * @desc Creates a subscription on a given topic for a given subscriber. 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.
         * @alias pubsub.subscriptions.create
         * @memberOf! ()
         *
         * @param {object} params Parameters for request
         * @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?: Params$Resource$Subscriptions$Create, options?: MethodOptions): AxiosPromise<Schema$Subscription>;
        create(params: Params$Resource$Subscriptions$Create, options: MethodOptions | BodyResponseCallback<Schema$Subscription>, callback: BodyResponseCallback<Schema$Subscription>): void;
        create(params: Params$Resource$Subscriptions$Create, callback: BodyResponseCallback<Schema$Subscription>): void;
        create(callback: BodyResponseCallback<Schema$Subscription>): void;
        /**
         * pubsub.subscriptions.delete
         * @desc Deletes an existing subscription. All pending messages in the
         * subscription are immediately dropped. Calls to Pull after deletion will
         * return NOT_FOUND.
         * @alias pubsub.subscriptions.delete
         * @memberOf! ()
         *
         * @param {object} params Parameters for request
         * @param {string} params.subscription The subscription to delete.
         * @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?: Params$Resource$Subscriptions$Delete, options?: MethodOptions): AxiosPromise<Schema$Empty>;
        delete(params: Params$Resource$Subscriptions$Delete, options: MethodOptions | BodyResponseCallback<Schema$Empty>, callback: BodyResponseCallback<Schema$Empty>): void;
        delete(params: Params$Resource$Subscriptions$Delete, callback: BodyResponseCallback<Schema$Empty>): void;
        delete(callback: BodyResponseCallback<Schema$Empty>): void;
        /**
         * pubsub.subscriptions.get
         * @desc Gets the configuration details of a subscription.
         * @alias pubsub.subscriptions.get
         * @memberOf! ()
         *
         * @param {object} params Parameters for request
         * @param {string} params.subscription The name of the subscription to get.
         * @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?: Params$Resource$Subscriptions$Get, options?: MethodOptions): AxiosPromise<Schema$Subscription>;
        get(params: Params$Resource$Subscriptions$Get, options: MethodOptions | BodyResponseCallback<Schema$Subscription>, callback: BodyResponseCallback<Schema$Subscription>): void;
        get(params: Params$Resource$Subscriptions$Get, callback: BodyResponseCallback<Schema$Subscription>): void;
        get(callback: BodyResponseCallback<Schema$Subscription>): void;
        /**
         * pubsub.subscriptions.list
         * @desc Lists matching subscriptions.
         * @alias pubsub.subscriptions.list
         * @memberOf! ()
         *
         * @param {object} params Parameters for request
         * @param {integer=} params.maxResults Maximum number of subscriptions to return.
         * @param {string=} params.pageToken The value obtained in the last <code>ListSubscriptionsResponse</code> for continuation.
         * @param {string=} params.query A valid label query expression.
         * @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?: Params$Resource$Subscriptions$List, options?: MethodOptions): AxiosPromise<Schema$ListSubscriptionsResponse>;
        list(params: Params$Resource$Subscriptions$List, options: MethodOptions | BodyResponseCallback<Schema$ListSubscriptionsResponse>, callback: BodyResponseCallback<Schema$ListSubscriptionsResponse>): void;
        list(params: Params$Resource$Subscriptions$List, callback: BodyResponseCallback<Schema$ListSubscriptionsResponse>): void;
        list(callback: BodyResponseCallback<Schema$ListSubscriptionsResponse>): void;
        /**
         * pubsub.subscriptions.modifyAckDeadline
         * @desc Modifies the Ack deadline for a message received from a pull
         * request.
         * @alias pubsub.subscriptions.modifyAckDeadline
         * @memberOf! ()
         *
         * @param {object} params Parameters for request
         * @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?: Params$Resource$Subscriptions$Modifyackdeadline, options?: MethodOptions): AxiosPromise<Schema$Empty>;
        modifyAckDeadline(params: Params$Resource$Subscriptions$Modifyackdeadline, options: MethodOptions | BodyResponseCallback<Schema$Empty>, callback: BodyResponseCallback<Schema$Empty>): void;
        modifyAckDeadline(params: Params$Resource$Subscriptions$Modifyackdeadline, callback: BodyResponseCallback<Schema$Empty>): void;
        modifyAckDeadline(callback: BodyResponseCallback<Schema$Empty>): void;
        /**
         * pubsub.subscriptions.modifyPushConfig
         * @desc Modifies the <code>PushConfig</code> for a specified subscription.
         * This method can be used to suspend the flow of messages to an endpoint by
         * clearing the <code>PushConfig</code> field in the request. Messages will
         * be accumulated for delivery even if no push configuration is defined or
         * while the configuration is modified.
         * @alias pubsub.subscriptions.modifyPushConfig
         * @memberOf! ()
         *
         * @param {object} params Parameters for request
         * @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?: Params$Resource$Subscriptions$Modifypushconfig, options?: MethodOptions): AxiosPromise<Schema$Empty>;
        modifyPushConfig(params: Params$Resource$Subscriptions$Modifypushconfig, options: MethodOptions | BodyResponseCallback<Schema$Empty>, callback: BodyResponseCallback<Schema$Empty>): void;
        modifyPushConfig(params: Params$Resource$Subscriptions$Modifypushconfig, callback: BodyResponseCallback<Schema$Empty>): void;
        modifyPushConfig(callback: BodyResponseCallback<Schema$Empty>): void;
        /**
         * pubsub.subscriptions.pull
         * @desc Pulls a single message from the server. If return_immediately is
         * true, and no messages are available in the subscription, this method
         * returns FAILED_PRECONDITION. The system is free to return an UNAVAILABLE
         * error if no messages are available in a reasonable amount of time (to
         * reduce system load).
         * @alias pubsub.subscriptions.pull
         * @memberOf! ()
         *
         * @param {object} params Parameters for request
         * @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?: Params$Resource$Subscriptions$Pull, options?: MethodOptions): AxiosPromise<Schema$PullResponse>;
        pull(params: Params$Resource$Subscriptions$Pull, options: MethodOptions | BodyResponseCallback<Schema$PullResponse>, callback: BodyResponseCallback<Schema$PullResponse>): void;
        pull(params: Params$Resource$Subscriptions$Pull, callback: BodyResponseCallback<Schema$PullResponse>): void;
        pull(callback: BodyResponseCallback<Schema$PullResponse>): void;
        /**
         * pubsub.subscriptions.pullBatch
         * @desc Pulls messages from the server. Returns an empty list if there are
         * no messages available in the backlog. The system is free to return
         * UNAVAILABLE if there are too many pull requests outstanding for the given
         * subscription.
         * @alias pubsub.subscriptions.pullBatch
         * @memberOf! ()
         *
         * @param {object} params Parameters for request
         * @param {().PullBatchRequest} 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
         */
        pullBatch(params?: Params$Resource$Subscriptions$Pullbatch, options?: MethodOptions): AxiosPromise<Schema$PullBatchResponse>;
        pullBatch(params: Params$Resource$Subscriptions$Pullbatch, options: MethodOptions | BodyResponseCallback<Schema$PullBatchResponse>, callback: BodyResponseCallback<Schema$PullBatchResponse>): void;
        pullBatch(params: Params$Resource$Subscriptions$Pullbatch, callback: BodyResponseCallback<Schema$PullBatchResponse>): void;
        pullBatch(callback: BodyResponseCallback<Schema$PullBatchResponse>): void;
    }
    interface Params$Resource$Subscriptions$Acknowledge {
        /**
         * Auth client or API Key for the request
         */
        auth?: string | OAuth2Client | JWT | Compute | UserRefreshClient;
        /**
         * Request body metadata
         */
        requestBody?: Schema$AcknowledgeRequest;
    }
    interface Params$Resource$Subscriptions$Create {
        /**
         * Auth client or API Key for the request
         */
        auth?: string | OAuth2Client | JWT | Compute | UserRefreshClient;
        /**
         * Request body metadata
         */
        requestBody?: Schema$Subscription;
    }
    interface Params$Resource$Subscriptions$Delete {
        /**
         * Auth client or API Key for the request
         */
        auth?: string | OAuth2Client | JWT | Compute | UserRefreshClient;
        /**
         * The subscription to delete.
         */
        subscription?: string;
    }
    interface Params$Resource$Subscriptions$Get {
        /**
         * Auth client or API Key for the request
         */
        auth?: string | OAuth2Client | JWT | Compute | UserRefreshClient;
        /**
         * The name of the subscription to get.
         */
        subscription?: string;
    }
    interface Params$Resource$Subscriptions$List {
        /**
         * Auth client or API Key for the request
         */
        auth?: string | OAuth2Client | JWT | Compute | UserRefreshClient;
        /**
         * Maximum number of subscriptions to return.
         */
        maxResults?: number;
        /**
         * The value obtained in the last <code>ListSubscriptionsResponse</code> for
         * continuation.
         */
        pageToken?: string;
        /**
         * A valid label query expression.
         */
        query?: string;
    }
    interface Params$Resource$Subscriptions$Modifyackdeadline {
        /**
         * Auth client or API Key for the request
         */
        auth?: string | OAuth2Client | JWT | Compute | UserRefreshClient;
        /**
         * Request body metadata
         */
        requestBody?: Schema$ModifyAckDeadlineRequest;
    }
    interface Params$Resource$Subscriptions$Modifypushconfig {
        /**
         * Auth client or API Key for the request
         */
        auth?: string | OAuth2Client | JWT | Compute | UserRefreshClient;
        /**
         * Request body metadata
         */
        requestBody?: Schema$ModifyPushConfigRequest;
    }
    interface Params$Resource$Subscriptions$Pull {
        /**
         * Auth client or API Key for the request
         */
        auth?: string | OAuth2Client | JWT | Compute | UserRefreshClient;
        /**
         * Request body metadata
         */
        requestBody?: Schema$PullRequest;
    }
    interface Params$Resource$Subscriptions$Pullbatch {
        /**
         * Auth client or API Key for the request
         */
        auth?: string | OAuth2Client | JWT | Compute | UserRefreshClient;
        /**
         * Request body metadata
         */
        requestBody?: Schema$PullBatchRequest;
    }
    class Resource$Topics {
        root: Pubsub;
        constructor(root: Pubsub);
        getRoot(): Pubsub;
        /**
         * pubsub.topics.create
         * @desc Creates the given topic with the given name.
         * @alias pubsub.topics.create
         * @memberOf! ()
         *
         * @param {object} params Parameters for request
         * @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?: Params$Resource$Topics$Create, options?: MethodOptions): AxiosPromise<Schema$Topic>;
        create(params: Params$Resource$Topics$Create, options: MethodOptions | BodyResponseCallback<Schema$Topic>, callback: BodyResponseCallback<Schema$Topic>): void;
        create(params: Params$Resource$Topics$Create, callback: BodyResponseCallback<Schema$Topic>): void;
        create(callback: BodyResponseCallback<Schema$Topic>): void;
        /**
         * pubsub.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.
         * @alias pubsub.topics.delete
         * @memberOf! ()
         *
         * @param {object} params Parameters for request
         * @param {string} params.topic Name of the topic to delete.
         * @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?: Params$Resource$Topics$Delete, options?: MethodOptions): AxiosPromise<Schema$Empty>;
        delete(params: Params$Resource$Topics$Delete, options: MethodOptions | BodyResponseCallback<Schema$Empty>, callback: BodyResponseCallback<Schema$Empty>): void;
        delete(params: Params$Resource$Topics$Delete, callback: BodyResponseCallback<Schema$Empty>): void;
        delete(callback: BodyResponseCallback<Schema$Empty>): void;
        /**
         * pubsub.topics.get
         * @desc Gets the configuration of a topic. Since the topic only has the
         * name attribute, this method is only useful to check the existence of a
         * topic. If other attributes are added in the future, they will be returned
         * here.
         * @alias pubsub.topics.get
         * @memberOf! ()
         *
         * @param {object} params Parameters for request
         * @param {string} params.topic The name of the topic to get.
         * @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?: Params$Resource$Topics$Get, options?: MethodOptions): AxiosPromise<Schema$Topic>;
        get(params: Params$Resource$Topics$Get, options: MethodOptions | BodyResponseCallback<Schema$Topic>, callback: BodyResponseCallback<Schema$Topic>): void;
        get(params: Params$Resource$Topics$Get, callback: BodyResponseCallback<Schema$Topic>): void;
        get(callback: BodyResponseCallback<Schema$Topic>): void;
        /**
         * pubsub.topics.list
         * @desc Lists matching topics.
         * @alias pubsub.topics.list
         * @memberOf! ()
         *
         * @param {object} params Parameters for request
         * @param {integer=} params.maxResults Maximum number of topics to return.
         * @param {string=} params.pageToken The value obtained in the last <code>ListTopicsResponse</code> for continuation.
         * @param {string=} params.query A valid label query expression.
         * @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?: Params$Resource$Topics$List, options?: MethodOptions): AxiosPromise<Schema$ListTopicsResponse>;
        list(params: Params$Resource$Topics$List, options: MethodOptions | BodyResponseCallback<Schema$ListTopicsResponse>, callback: BodyResponseCallback<Schema$ListTopicsResponse>): void;
        list(params: Params$Resource$Topics$List, callback: BodyResponseCallback<Schema$ListTopicsResponse>): void;
        list(callback: BodyResponseCallback<Schema$ListTopicsResponse>): void;
        /**
         * pubsub.topics.publish
         * @desc Adds a message to the topic.  Returns NOT_FOUND if the topic does
         * not exist.
         * @alias pubsub.topics.publish
         * @memberOf! ()
         *
         * @param {object} params Parameters for request
         * @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?: Params$Resource$Topics$Publish, options?: MethodOptions): AxiosPromise<Schema$Empty>;
        publish(params: Params$Resource$Topics$Publish, options: MethodOptions | BodyResponseCallback<Schema$Empty>, callback: BodyResponseCallback<Schema$Empty>): void;
        publish(params: Params$Resource$Topics$Publish, callback: BodyResponseCallback<Schema$Empty>): void;
        publish(callback: BodyResponseCallback<Schema$Empty>): void;
        /**
         * pubsub.topics.publishBatch
         * @desc Adds one or more messages to the topic. Returns NOT_FOUND if the
         * topic does not exist.
         * @alias pubsub.topics.publishBatch
         * @memberOf! ()
         *
         * @param {object} params Parameters for request
         * @param {().PublishBatchRequest} 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
         */
        publishBatch(params?: Params$Resource$Topics$Publishbatch, options?: MethodOptions): AxiosPromise<Schema$PublishBatchResponse>;
        publishBatch(params: Params$Resource$Topics$Publishbatch, options: MethodOptions | BodyResponseCallback<Schema$PublishBatchResponse>, callback: BodyResponseCallback<Schema$PublishBatchResponse>): void;
        publishBatch(params: Params$Resource$Topics$Publishbatch, callback: BodyResponseCallback<Schema$PublishBatchResponse>): void;
        publishBatch(callback: BodyResponseCallback<Schema$PublishBatchResponse>): void;
    }
    interface Params$Resource$Topics$Create {
        /**
         * Auth client or API Key for the request
         */
        auth?: string | OAuth2Client | JWT | Compute | UserRefreshClient;
        /**
         * Request body metadata
         */
        requestBody?: Schema$Topic;
    }
    interface Params$Resource$Topics$Delete {
        /**
         * Auth client or API Key for the request
         */
        auth?: string | OAuth2Client | JWT | Compute | UserRefreshClient;
        /**
         * Name of the topic to delete.
         */
        topic?: string;
    }
    interface Params$Resource$Topics$Get {
        /**
         * Auth client or API Key for the request
         */
        auth?: string | OAuth2Client | JWT | Compute | UserRefreshClient;
        /**
         * The name of the topic to get.
         */
        topic?: string;
    }
    interface Params$Resource$Topics$List {
        /**
         * Auth client or API Key for the request
         */
        auth?: string | OAuth2Client | JWT | Compute | UserRefreshClient;
        /**
         * Maximum number of topics to return.
         */
        maxResults?: number;
        /**
         * The value obtained in the last <code>ListTopicsResponse</code> for
         * continuation.
         */
        pageToken?: string;
        /**
         * A valid label query expression.
         */
        query?: string;
    }
    interface Params$Resource$Topics$Publish {
        /**
         * Auth client or API Key for the request
         */
        auth?: string | OAuth2Client | JWT | Compute | UserRefreshClient;
        /**
         * Request body metadata
         */
        requestBody?: Schema$PublishRequest;
    }
    interface Params$Resource$Topics$Publishbatch {
        /**
         * Auth client or API Key for the request
         */
        auth?: string | OAuth2Client | JWT | Compute | UserRefreshClient;
        /**
         * Request body metadata
         */
        requestBody?: Schema$PublishBatchRequest;
    }
}
