import { AsyncIterableX } from '../asynciterablex';
import { OperatorAsyncFunction } from '../../interfaces';
export declare class ConcatAllAsyncIterable<TSource> extends AsyncIterableX<TSource> {
    private _source;
    constructor(source: AsyncIterable<AsyncIterable<TSource>>);
    [Symbol.asyncIterator](): AsyncGenerator<TSource, void, unknown>;
}
export declare function concatAll<T>(): OperatorAsyncFunction<AsyncIterable<T>, T>;