import { AsyncIterableX } from '../asynciterablex';
import { MonoTypeOperatorAsyncFunction } from '../../interfaces';
export declare class DelayAsyncIterable<TSource> extends AsyncIterableX<TSource> {
    private _source;
    private _dueTime;
    constructor(source: AsyncIterable<TSource>, dueTime: number);
    [Symbol.asyncIterator](): AsyncGenerator<TSource, void, unknown>;
}
export declare function delay<TSource>(dueTime: number): MonoTypeOperatorAsyncFunction<TSource>;