/**
 * @deprecated Please, use AsyncUtils instead of AsyncHelper.
 */
export declare class AsyncHelper {
    static sleep(ms: number): Promise<void>;
    /**
     * @param {Function<boolean>} condition Condition
     * @param {number} [sleepTime=100] Sleep time between checks
     * @param {number} [timeOut] Timeout
     */
    static waitFor(condition: Function, sleepTime?: number, timeOut?: number): Promise<void>;
}