import { BaseController } from "./Base";
import { Notification, JSONObject, ArgsDefault } from "../types";
/**
 * Enum for `scope` option of realtime.subscribe method
 */
export declare enum ScopeOption {
    /**
     * Receive all document notifications
     */
    all = "all",
    /**
     * Receive notifications when document enter or stay in the scope
     */
    in = "in",
    /**
     * Receive notification when document exit the scope
     */
    out = "out",
    /**
     * Do not receive document notifications
     */
    none = "none"
}
/**
 * Enum for `user` option of realtime.subscribe method
 */
export declare enum UserOption {
    /**
     * Receive all user notifications
     */
    all = "all",
    /**
     * Receive notification when users join the room
     */
    in = "in",
    /**
     * Receive notifications when users leave the room
     */
    out = "out",
    /**
     * Do not receive user notifications
     */
    none = "none"
}
export declare class RealtimeController extends BaseController {
    private _subscriptions;
    private _subscriptionsOff;
    constructor(kuzzle: any);
    /**
     * Returns the number of other connections sharing the same subscription.
     *
     * @see https://docs.kuzzle.io/sdk/js/7/controllers/realtime/count/
     *
     * @param roomId Subscription room ID
     * @param options Additional options
     *    - `queuable` If true, queues the request during downtime, until connected to Kuzzle again
     *    - `timeout` Request Timeout in ms, after the delay if not resolved the promise will be rejected
     *
     * @returns A number represensting active connections using the same provided subscription room.
     */
    count(roomId: string, options?: ArgsRealtimeControllerCount): Promise<number>;
    /**
     * Sends a real-time message to Kuzzle.
     *
     * The message will be dispatched to all clients with subscriptions
     * matching the index, the collection and the message content.
     *
     * @see https://docs.kuzzle.io/sdk/js/7/controllers/realtime/count/
     *
     * @param index Index name
     * @param collection Collection name
     * @param message Message to send (will be put in `_source` property of the notification)
     * @param options Additional options
     *    - `queuable` If true, queues the request during downtime, until connected to Kuzzle again
     *    - `_id` Additional unique ID (will be put in the `_id` property of the notification)
     *    - `timeout` Request Timeout in ms, after the delay if not resolved the promise will be rejected
     */
    publish(index: string, collection: string, message: JSONObject, options?: ArgsRealtimeControllerPublish): Promise<boolean>;
    /**
     * Subscribes by providing a set of filters: messages, document changes
     * and, optionally, user events matching the provided filters will generate
     * real-time notifications.
     *
     * @see https://docs.kuzzle.io/sdk/js/7/controllers/realtime/subscribe/
     * @see https://docs.kuzzle.io/sdk/js/7/essentials/realtime-notifications/
     *
     * @param index Index name
     * @param collection Collection name
     * @param filters Optional subscription filters (@see https://docs.kuzzle.io/core/2/api/koncorde-filters-syntax)
     * @param callback Callback function to handle notifications
     * @param options Additional options
     *    - `scope` Subscribe to document entering or leaving the scope. (default: 'all')
     *    - `users` Subscribe to users entering or leaving the room. (default: 'none')
     *    - `subscribeToSelf` Subscribe to notifications fired by our own queries. (default: true)
     *    - `volatile` Subscription information sent alongside notifications
     *    - `timeout` Request Timeout in ms, after the delay if not resolved the promise will be rejected
     *
     * @returns A string containing the room ID
     */
    subscribe(index: string, collection: string, filters: JSONObject, callback: (notification: Notification) => void | Promise<void>, options?: ArgsRealtimeControllerSubscribe): Promise<string>;
    /**
     * Removes a subscription
     *
     * @param roomId Subscription room ID
     * @param options Additional options
     *    - `queuable` If true, queues the request during downtime, until connected to Kuzzle again
     *    - `timeout` Request Timeout in ms, after the delay if not resolved the promise will be rejected
     */
    unsubscribe(roomId: string, options?: ArgsRealtimeControllerUnsubscribe): Promise<void>;
    /**
     * Called when kuzzle is disconnected
     */
    private saveSubscriptions;
    /**
     * Called on kuzzle reconnection
     */
    private resubscribe;
    /**
     * Called when a token expire
     */
    private removeSubscriptions;
}
export type ArgsRealtimeControllerCount = ArgsDefault;
export interface ArgsRealtimeControllerPublish extends ArgsDefault {
    _id?: string;
}
export interface ArgsRealtimeControllerSubscribe extends ArgsDefault {
    scope?: ScopeOption;
    users?: UserOption;
    subscribeToSelf?: boolean;
    volatile?: JSONObject;
}
export type ArgsRealtimeControllerUnsubscribe = ArgsDefault;