import { MonoTypeOperatorFunction } from '../../interfaces';
/**
 * Generates an async-iterable sequence by repeating a source sequence as long as the given loop postcondition holds.
 *
 * @export
 * @template TSource The type of elements in the source sequence.
 * @param {(() => boolean)} condition Loop condition.
 * @returns {MonoTypeOperatorFunction<TSource>} An operator that generates an async-iterable by repeating a
 * source sequence while the postcondition holds.
 */
export declare function doWhile<TSource>(condition: () => boolean): MonoTypeOperatorFunction<TSource>;