/**
 * Async utility functions
 */
/**
 * Delay execution for a specified time
 *
 * @param time - Time to delay in milliseconds
 * @returns Promise that resolves after the delay
 *
 * @example
 * await delay(1000); // Wait 1 second
 */
export declare const delay: (time: number) => Promise<void>;
export declare const mapWithConcurrency: <T, R>(items: T[], concurrency: number, mapper: (item: T, index: number) => Promise<R>) => Promise<R[]>;