type LockOptions = {
    req?: number;
    start?: number;
    stale?: false | number;
    wait?: number;
    retries?: number;
    retryWait?: number;
    pollPeriod?: number;
};
export default class LockFile {
    static unlock(path: string): Promise<void>;
    static unlockSync(path: string): void;
    static check(path: string, opts?: Partial<LockOptions>): Promise<boolean>;
    static checkSync(path: string, opts?: Partial<LockOptions>): boolean;
    static req: number;
    static lock(path: string, opts?: Partial<LockOptions>): Promise<void>;
    static handleWait(err: any, path: string, opts: LockOptions): Promise<void>;
    static maybeStale(originalErr: any, path: string, opts: LockOptions, hasStaleLock: boolean): Promise<void>;
    static lockSync(path: string, opts?: Partial<LockOptions>): void;
    static handleRetrySync(path: string, opts: Partial<LockOptions>, err: any): void;
}
export {};