export declare type TSignalHandler<GHP extends any[], GHR = void | any> = (...rest: GHP) => GHR;
export interface ISignal<GHP extends any[] = any[], GHR = void | any> {
    add: (handler: TSignalHandler<GHP, GHR>, callAtInit?: boolean | GHP) => () => void;
    once: (handler: TSignalHandler<GHP, GHR>) => () => void;
    remove: (handler: TSignalHandler<GHP, GHR>) => void;
    dispatch: (...rest: GHP) => GHR[];
    clear: () => void;
    readonly listeners: TSignalHandler<GHP, GHR>[];
}
export declare function Signal<GHP extends any[] = any[], GHR = void | any>(): ISignal<GHP, GHR>;
export default Signal;