import { Semaphore } from "./Semaphore";
/**
 * Mutex, the mutex implementation for async operations
 */
export declare class Mutex extends Semaphore {
    /**
     * Mutex, the mutex implementation for async operations
     *
     * @since 5.15.0
     * @category Functional
     * @example
     *
     * ```ts
     *  const mut = new Mutex()
     *
     *  async call_api(payload: any) {
     *  const release = await mut.acquire()
     *    try {
     *      // ...
     *      // this block, will be executed exclusively
     *    } finally {
     *      release() // release the mutex
     *    }
     * }
     *
     * ```
     *
     */
    constructor(defaultAcquireTimeout?: number);
}
export default Mutex;