import { AsyncIterableX } from '../asynciterablex';
import { OperatorAsyncFunction } from '../../interfaces';
export declare class PairwiseAsyncIterable<TSource> extends AsyncIterableX<TSource[]> {
    private _source;
    constructor(source: AsyncIterable<TSource>);
    [Symbol.asyncIterator](): AsyncGenerator<TSource[], void, unknown>;
}
export declare function pairwise<TSource>(): OperatorAsyncFunction<TSource, TSource[]>;