export interface MetadataLock {
    readonly path: string;
    release(): Promise<void>;
}
export interface MetadataLockOptions {
    timeoutMs?: number;
    retryMs?: number;
    staleLockMs?: number;
    onCompromised?: (error: Error) => void;
}
export declare function acquireMetadataLock(targetPath: string, lockPath: string, options?: MetadataLockOptions): Promise<MetadataLock>;