/**
 * Creates pending promise, that can be resolved or rejected manually
 */
export declare class Deferred<T> {
    private _resolve;
    private _reject;
    private state;
    private _promise;
    get promise(): Promise<T>;
    resolve(value: T): void;
    reject(value: T): void;
    isSettled(): boolean;
    isPending(): boolean;
    isRejected(): boolean;
    isResolved(): boolean;
}