/**
 * 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('v1beta1a');
 *
 * @namespace pubsub
 * @type {Function}
 * @version v1beta1a
 * @variation v1beta1a
 * @param {object=} options Options for Pubsub
 */
export declare class Pubsub {
    _options: GlobalOptions;
    google: GoogleApis;
    root: this;
    subscriptions: Resource$Subscriptions;
    topics: Resource$Topics;
    constructor(options: GlobalOptions, google: GoogleApis);
    getRoot(): this;
}
/**
 * Request for the Acknowledge method.
 */
export interface Schema$AcknowledgeRequest {
    /**
     * The acknowledgment ID for the message being acknowledged. This was returned
     * by the Pub/Sub system in the Pull response.
     */
    ackId: string[];
    /**
     * The subscription whose message is being acknowledged.
     */
    subscription: string;
}
/**
 * An empty message that you can re-use to avoid defining duplicated empty
 * messages in your project. A typical example is to use it as argument or the
 * return value of a service API. For instance:    service Foo {     rpc Bar
 * (proto2.Empty) returns (proto2.Empty) { };   };  BEGIN GOOGLE-INTERNAL The
 * difference between this one and net/rpc/empty-message.proto is that 1) The
 * generated message here is in proto2 C++ API. 2) The proto2.Empty has minimum
 * dependencies    (no message_set or net/rpc dependencies) END GOOGLE-INTERNAL
 */
export interface Schema$Empty {
}
/**
 * A key-value pair applied to a given object.
 */
export interface Schema$Label {
    /**
     * The key of a label is a syntactically valid URL (as per RFC 1738) with the
     * "scheme" and initial slashes omitted and with the additional
     * restrictions noted below.  Each key should be globally unique.  The
     * "host" portion is called the "namespace" and is not
     * necessarily resolvable to a network endpoint.  Instead, the namespace
     * indicates what system or entity defines the semantics of the label.
     * Namespaces do not restrict the set of objects to which a label may be
     * associated.  Keys are defined by the following grammar:    key          =
     * hostname "/" kpath   kpath        = ksegment *[ "/"
     * ksegment ]   ksegment     = alphadigit | *[ alphadigit | "-" |
     * "_" | "." ]  where "hostname" and
     * "alphadigit" are defined as in RFC 1738.  Example key:
     * spanner.google.com/universe
     */
    key: string;
    /**
     * An integer value.
     */
    numValue: string;
    /**
     * A string value.
     */
    strValue: string;
}
/**
 * Response for the ListSubscriptions method.
 */
export interface Schema$ListSubscriptionsResponse {
    /**
     * If not empty, indicates that there are more subscriptions that match the
     * request and this value should be passed to the next
     * <code>ListSubscriptionsRequest</code> to continue.
     */
    nextPageToken: string;
    /**
     * The subscriptions that match the request.
     */
    subscription: Schema$Subscription[];
}
/**
 * Response for the ListTopics method.
 */
export interface Schema$ListTopicsResponse {
    /**
     * If not empty, indicates that there are more topics that match the request,
     * and this value should be passed to the next
     * <code>ListTopicsRequest</code> to continue.
     */
    nextPageToken: string;
    /**
     * The resulting topics.
     */
    topic: Schema$Topic[];
}
/**
 * Request for the ModifyAckDeadline method.
 */
export interface Schema$ModifyAckDeadlineRequest {
    /**
     * The new ack deadline with respect to the time this request was sent to the
     * Pub/Sub system. Must be >= 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.
 */
export interface Schema$ModifyPushConfigRequest {
    /**
     * An empty <code>push_config</code> indicates that the Pub/Sub
     * system should pause pushing messages from the given subscription.
     */
    pushConfig: Schema$PushConfig;
    /**
     * The name of the subscription.
     */
    subscription: string;
}
/**
 * Request for the PublishBatch method.
 */
export 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.
 */
export interface Schema$PublishBatchResponse {
    /**
     * The server-assigned ID of each published message, in the same order as the
     * messages in the request. IDs are guaranteed to be unique within the topic.
     */
    messageIds: string[];
}
/**
 * Request for the Publish method.
 */
export interface Schema$PublishRequest {
    /**
     * The message to publish.
     */
    message: Schema$PubsubMessage;
    /**
     * The message in the request will be published on this topic.
     */
    topic: string;
}
/**
 * An event indicating a received message or truncation event.
 */
export interface Schema$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$PubsubMessage;
    /**
     * The subscription that received the event.
     */
    subscription: string;
    /**
     * Indicates that this subscription has been truncated.
     */
    truncated: boolean;
}
/**
 * A message data and its labels.
 */
export interface Schema$PubsubMessage {
    /**
     * The message payload.
     */
    data: string;
    /**
     * Optional list of labels for this message. Keys in this collection must be
     * unique.
     */
    label: Schema$Label[];
    /**
     * ID of this message assigned by the server at publication time. Guaranteed
     * to be unique within the topic. This value may be read by a subscriber that
     * receives a PubsubMessage via a Pull call or a push delivery. It must not be
     * populated by a publisher in a Publish call.
     */
    messageId: string;
    /**
     * The time at which the message was published. The time is milliseconds since
     * the UNIX epoch.
     */
    publishTime: string;
}
/**
 * Request for the PullBatch method.
 */
export interface Schema$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.
 */
export 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.
 */
export interface Schema$PullRequest {
    /**
     * If this is specified as true the system will respond immediately even if it
     * is not able to return a message in the Pull response. Otherwise the system
     * is allowed to wait until at least one message is available rather than
     * returning FAILED_PRECONDITION. The client may cancel the request if it does
     * not wish to wait any longer for the response.
     */
    returnImmediately: boolean;
    /**
     * The subscription from which a message should be pulled.
     */
    subscription: string;
}
/**
 * Either a <code>PubsubMessage</code> or a truncation event. One of
 * these two must be populated.
 */
export interface Schema$PullResponse {
    /**
     * This ID must be used to acknowledge the received event or message.
     */
    ackId: string;
    /**
     * A pubsub message or truncation event.
     */
    pubsubEvent: Schema$PubsubEvent;
}
/**
 * Configuration for a push delivery endpoint.
 */
export interface Schema$PushConfig {
    /**
     * 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 subscription resource.
 */
export interface Schema$Subscription {
    /**
     * For either push or pull delivery, the value is the maximum time after a
     * subscriber receives a message before the subscriber should acknowledge or
     * Nack the message. If the Ack deadline for a message passes without an Ack
     * or a Nack, the Pub/Sub system will eventually redeliver the message. If a
     * subscriber acknowledges after the deadline, the Pub/Sub system may accept
     * the Ack, but it is possible that the message has been already delivered
     * again. Multiple Acks to the message are allowed and will succeed.  For push
     * delivery, this value is used to set the request timeout for the call to the
     * push endpoint.  For pull delivery, this value is used as the initial value
     * for the Ack deadline. It may be overridden for each message using its
     * corresponding ack_id with <code>ModifyAckDeadline</code>. While
     * a message is outstanding (i.e. it has been delivered to a pull subscriber
     * and the subscriber has not yet Acked or Nacked), the Pub/Sub system will
     * not deliver that message to another pull subscriber (on a best-effort
     * basis).
     */
    ackDeadlineSeconds: number;
    /**
     * Name of the subscription.
     */
    name: string;
    /**
     * If push delivery is used with this subscription, this field is used to
     * configure it.
     */
    pushConfig: Schema$PushConfig;
    /**
     * The name of the topic from which this subscription is receiving messages.
     */
    topic: string;
}
/**
 * A topic resource.
 */
export interface Schema$Topic {
    /**
     * Name of the topic.
     */
    name: string;
}
export declare class Resource$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?: any, options?: MethodOptions): AxiosPromise<Schema$Empty>;
    acknowledge(params?: any, options?: MethodOptions | BodyResponseCallback<Schema$Empty>, callback?: BodyResponseCallback<Schema$Empty>): void;
    /**
     * pubsub.subscriptions.create
     * @desc Creates a subscription on a given topic for a given subscriber. If
     * the subscription already exists, returns ALREADY_EXISTS. If the
     * corresponding topic doesn't exist, returns NOT_FOUND.  If the name is not
     * provided in the request, the server will assign a random name for this
     * subscription on the same project as the topic.
     * @alias pubsub.subscriptions.create
     * @memberOf! ()
     *
     * @param {object} params Parameters for request
     * @param {().Subscription} params.resource Request body data
     * @param {object} [options] Optionally override request options, such as `url`, `method`, and `encoding`.
     * @param {callback} callback The callback that handles the response.
     * @return {object} Request object
     */
    create(params?: any, options?: MethodOptions): AxiosPromise<Schema$Subscription>;
    create(params?: any, options?: MethodOptions | BodyResponseCallback<Schema$Subscription>, callback?: BodyResponseCallback<Schema$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?: any, options?: MethodOptions): AxiosPromise<Schema$Empty>;
    delete(params?: any, options?: MethodOptions | BodyResponseCallback<Schema$Empty>, callback?: BodyResponseCallback<Schema$Empty>): void;
    /**
     * pubsub.subscriptions.get
     * @desc Gets the configuration details of a subscription.
     * @alias pubsub.subscriptions.get
     * @memberOf! ()
     *
     * @param {object} params Parameters for request
     * @param {string} params.subscription The name of the subscription to get.
     * @param {object} [options] Optionally override request options, such as `url`, `method`, and `encoding`.
     * @param {callback} callback The callback that handles the response.
     * @return {object} Request object
     */
    get(params?: any, options?: MethodOptions): AxiosPromise<Schema$Subscription>;
    get(params?: any, options?: MethodOptions | BodyResponseCallback<Schema$Subscription>, callback?: BodyResponseCallback<Schema$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?: any, options?: MethodOptions): AxiosPromise<Schema$ListSubscriptionsResponse>;
    list(params?: any, options?: MethodOptions | BodyResponseCallback<Schema$ListSubscriptionsResponse>, callback?: BodyResponseCallback<Schema$ListSubscriptionsResponse>): void;
    /**
     * pubsub.subscriptions.modifyAckDeadline
     * @desc Modifies the Ack deadline for a message received from a pull request.
     * @alias pubsub.subscriptions.modifyAckDeadline
     * @memberOf! ()
     *
     * @param {object} params Parameters for request
     * @param {().ModifyAckDeadlineRequest} params.resource Request body data
     * @param {object} [options] Optionally override request options, such as `url`, `method`, and `encoding`.
     * @param {callback} callback The callback that handles the response.
     * @return {object} Request object
     */
    modifyAckDeadline(params?: any, options?: MethodOptions): AxiosPromise<Schema$Empty>;
    modifyAckDeadline(params?: any, options?: MethodOptions | BodyResponseCallback<Schema$Empty>, callback?: BodyResponseCallback<Schema$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?: any, options?: MethodOptions): AxiosPromise<Schema$Empty>;
    modifyPushConfig(params?: any, options?: MethodOptions | BodyResponseCallback<Schema$Empty>, callback?: BodyResponseCallback<Schema$Empty>): void;
    /**
     * pubsub.subscriptions.pull
     * @desc Pulls a single message from the server. If return_immediately is
     * true, and no messages are available in the subscription, this method
     * returns FAILED_PRECONDITION. The system is free to return an UNAVAILABLE
     * error if no messages are available in a reasonable amount of time (to
     * reduce system load).
     * @alias pubsub.subscriptions.pull
     * @memberOf! ()
     *
     * @param {object} params Parameters for request
     * @param {().PullRequest} params.resource Request body data
     * @param {object} [options] Optionally override request options, such as `url`, `method`, and `encoding`.
     * @param {callback} callback The callback that handles the response.
     * @return {object} Request object
     */
    pull(params?: any, options?: MethodOptions): AxiosPromise<Schema$PullResponse>;
    pull(params?: any, options?: MethodOptions | BodyResponseCallback<Schema$PullResponse>, callback?: BodyResponseCallback<Schema$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?: any, options?: MethodOptions): AxiosPromise<Schema$PullBatchResponse>;
    pullBatch(params?: any, options?: MethodOptions | BodyResponseCallback<Schema$PullBatchResponse>, callback?: BodyResponseCallback<Schema$PullBatchResponse>): void;
}
export declare class Resource$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?: any, options?: MethodOptions): AxiosPromise<Schema$Topic>;
    create(params?: any, options?: MethodOptions | BodyResponseCallback<Schema$Topic>, callback?: BodyResponseCallback<Schema$Topic>): void;
    /**
     * pubsub.topics.delete
     * @desc Deletes the topic with the given name. Returns NOT_FOUND if the topic
     * does not exist. After a topic is deleted, a new topic may be created with
     * the same name.
     * @alias pubsub.topics.delete
     * @memberOf! ()
     *
     * @param {object} params Parameters for request
     * @param {string} params.topic Name of the topic to delete.
     * @param {object} [options] Optionally override request options, such as `url`, `method`, and `encoding`.
     * @param {callback} callback The callback that handles the response.
     * @return {object} Request object
     */
    delete(params?: any, options?: MethodOptions): AxiosPromise<Schema$Empty>;
    delete(params?: any, options?: MethodOptions | BodyResponseCallback<Schema$Empty>, callback?: BodyResponseCallback<Schema$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?: any, options?: MethodOptions): AxiosPromise<Schema$Topic>;
    get(params?: any, options?: MethodOptions | BodyResponseCallback<Schema$Topic>, callback?: BodyResponseCallback<Schema$Topic>): void;
    /**
     * pubsub.topics.list
     * @desc Lists matching topics.
     * @alias pubsub.topics.list
     * @memberOf! ()
     *
     * @param {object} params Parameters for request
     * @param {integer=} params.maxResults Maximum number of topics to return.
     * @param {string=} params.pageToken The value obtained in the last <code>ListTopicsResponse</code> for continuation.
     * @param {string=} params.query A valid label query expression.
     * @param {object} [options] Optionally override request options, such as `url`, `method`, and `encoding`.
     * @param {callback} callback The callback that handles the response.
     * @return {object} Request object
     */
    list(params?: any, options?: MethodOptions): AxiosPromise<Schema$ListTopicsResponse>;
    list(params?: any, options?: MethodOptions | BodyResponseCallback<Schema$ListTopicsResponse>, callback?: BodyResponseCallback<Schema$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?: any, options?: MethodOptions): AxiosPromise<Schema$Empty>;
    publish(params?: any, options?: MethodOptions | BodyResponseCallback<Schema$Empty>, callback?: BodyResponseCallback<Schema$Empty>): void;
    /**
     * pubsub.topics.publishBatch
     * @desc Adds one or more messages to the topic. Returns NOT_FOUND if the
     * topic does not exist.
     * @alias pubsub.topics.publishBatch
     * @memberOf! ()
     *
     * @param {object} params Parameters for request
     * @param {().PublishBatchRequest} params.resource Request body data
     * @param {object} [options] Optionally override request options, such as `url`, `method`, and `encoding`.
     * @param {callback} callback The callback that handles the response.
     * @return {object} Request object
     */
    publishBatch(params?: any, options?: MethodOptions): AxiosPromise<Schema$PublishBatchResponse>;
    publishBatch(params?: any, options?: MethodOptions | BodyResponseCallback<Schema$PublishBatchResponse>, callback?: BodyResponseCallback<Schema$PublishBatchResponse>): void;
}