import { Lock } from "./Lock";
export declare class LockMap<T> {
    private readonly _map;
    takeLock(key: T): Promise<Lock>;
}
export declare function tests(): {
    "taking a lock on the same key blocks": (assert: any) => Promise<void>;
    "lock is not cleaned up with second request": (assert: any) => Promise<void>;
    "lock is cleaned up without other request": (assert: any) => Promise<void>;
};