export declare type Handler<T> = (event: T) => void;
export declare type WildcardHandler = (event: any) => void;
export interface Event {
    type: string;
}
export declare class EventsManager<T extends Event> {
    private _eventListeners;
    private _wildcardEventListeners;
    on<TEvent extends Event>(type: TEvent['type'], handler: Handler<TEvent>): void;
    on(type: '*', handler: WildcardHandler): void;
    off<TEvent extends Event>(type: TEvent['type'], handler: Handler<TEvent>): void;
    off(type: '*', handler: WildcardHandler): void;
    emit(event: T): void;
}