export declare type TId = string;
export declare type TResolve = (...args: any[]) => any;
export declare type TReject = (error: Error) => any;
export declare type THolder = {
    resolve: TResolve;
    reject: TReject;
    created: number;
};
export declare type TStorage = Map<TId, THolder>;
export default class PromissesHolder {
    private _promises;
    private _alreadyRequested;
    add(id: string, resolve: TResolve, reject: TReject): boolean | Error;
    remove(id: string): boolean;
    resolve(id: string, ...args: any[]): boolean;
    reject(id: string, error: Error): boolean;
    has(id: string): boolean;
    clear(): void;
    private _validate;
}