import { AsyncIterableX } from './asynciterablex';
export declare class SliceAsyncIterable<TSource> extends AsyncIterableX<TSource> {
    private _source;
    private _begin;
    private _end;
    constructor(source: AsyncIterable<TSource>, begin: number, end: number);
    [Symbol.asyncIterator](): AsyncIterableIterator<TSource>;
}
export declare function slice<TSource>(source: AsyncIterable<TSource>, begin: number, end?: number): AsyncIterableX<TSource>;