/**Listener of the event.
 * The listener is a function which takes only one parameter
 * which has same interface as declared in specialization of the emitter
 */
export declare type Listener<T> = (event: T) => any;
/**Event emitter with strict data structure of event.
 * Specify the structure of data when declare the emitter then
 * when using, all events and listeners have to obey this structure.
 * Create one for each type of event.
 */
export declare class TypedEventEmitter<T> {
    private _eventListener;
    private readonly DEFAULT_EVENT;
    constructor();
    get listenerAppender(): (listener: Listener<T>) => void;
    /** The call this function to get appender to add new listener for the event */
    private getListenerAppender;
    /** Remove all listeners */
    off(): void;
    /** Emit the event */
    emit(data: T): void;
}