import { IterableX } from '../iterablex';
import { OperatorFunction } from '../../interfaces';
export declare class PairwiseIterable<TSource> extends IterableX<TSource[]> {
    private _source;
    constructor(source: Iterable<TSource>);
    [Symbol.iterator](): Generator<TSource[], void, unknown>;
}
export declare function pairwise<TSource>(): OperatorFunction<TSource, TSource[]>;