export interface Lock<T> extends Promise<T> {
    resolve: (value?: T | PromiseLike<T>) => void;
    reject: (reason: Error) => void;
    cancel: () => void;
    lock: () => void;
    unlock: () => void;
}
/** Creates a lock that resolves when it's lock count reaches 0.
 * If a timeout is provided, the lock rejects if it has not unlocked
 * by the specified number of milliseconds (default 1000).
 */
export declare function Lock<T>(count?: number, ms?: number): Lock<T>;