import { Channel, EndpointApiEvent } from './types';
/**
 * Class for handling events and registering listeners
 */
export declare class EventDispatcher {
    listeners: Map<Channel, Map<EndpointApiEvent['type'], Function[]>>;
    channels: Set<Channel>;
    constructor();
    /**
     * Add a event listeners on given channel and eventType
     * @param {Channel} channel channel
     * @param {string} eventType type of the event
     * @param {function} callback callback function
     * @returns {function} function to remove the event listeners
     */
    addEventListener: (channel: Channel, eventType: EndpointApiEvent["type"], callback: Function) => (() => void);
    /**
     * Removes an event listeners from given `channel` and `eventType`
     * @param {Channel} channel channel
     * @param {string} eventType type of the event
     * @param {function} callback callback function
     */
    removeEventListener: (channel: Channel, eventType: EndpointApiEvent["type"], callback: Function) => void;
    /**
     * Removes all event listeners
     * @returns {void}
     */
    removeAllListeners: () => void;
    /**
     * Dispatches an event
     * @param {EndpointApiEvent} event
     * @returns {void}
     */
    dispatchEvent: (event: EndpointApiEvent) => void;
    /**
     * Removes all listeners from given channel
     * @param {Channel} channel channel
     * @returns {void}
     */
    removeChannelEvents: (channel: Channel) => void;
    /**
     * Checks whether the user is subscribed to given channel
     * @param channel Channel
     * @returns {boolean} `boolean`
     */
    isSubscribedToChannel(channel: Channel): boolean;
    /**
     * Adds a channel subscription
     * @param {Channel} channel
     */
    addChannelSubscription(channel: Channel): Set<Channel>;
    /**
     * Removes a subscription on a channel and the event listeners assigned to it
     * @param {Channel} channel channel
     *
     * @returns {void}
     */
    removeChannelSubscription(channel: Channel): void;
}