import { EventCallback, ListenerKey } from "./types";
/**
 * An extension for the Edge agent that gives it capability of
 * creating listeners for specific events and also emitting or notifying any listener available with the
 * new event.
 *
 * @export
 * @class AgentMessageEvents
 * @typedef {EventsManager}
 */
export declare class EventsManager {
    private events;
    /**
     * Just adds a new event listener by passing the event name and the callback function we want
     * to be notified at
     *
     * @public
     * @param {ListenerKey} eventName
     * @param {EventCallback} callback
     * @returns {number}
     */
    addListener<T extends ListenerKey>(eventName: T, callback: EventCallback<T>): number;
    /**
     * Remove an existing event listener, used when the Agent is
     * stopping to make sure no memory leaks are produced
     *
     * @public
     * @param {ListenerKey} eventName
     * @param {EventCallback} callback
     */
    removeListener<T extends ListenerKey>(eventName: T, callback: EventCallback<T>): void;
    /**
     * Emit some data to all the listeners of a specific event
     *
     * @public
     * @param {ListenerKey} eventName
     * @param {*} data
     */
    emit(eventName: ListenerKey, data: any): void;
}