type Lock = {
    Release: () => void;
};
export declare class AsyncSemaphore {
    initialCount: number;
    private _running;
    private _waiting;
    constructor(initialCount: number);
    private Take;
    /**
    * Acquire a lock on the target resource.
    * @returns a function to release the lock, it is critical that this function is called when the task is finished with the resource.
    */
    AcquireAsync: () => Promise<Lock>;
    private Release;
    /**
     * Purge all waiting tasks from the Semaphore instance
     */
    Purge: () => void;
}
export {};