import { IterableX } from './iterablex';
export declare class MapIterable<TSource, TResult> extends IterableX<TResult> {
    private _source;
    private _selector;
    constructor(source: Iterable<TSource>, selector: (value: TSource, index: number) => TResult);
    [Symbol.iterator](): IterableIterator<TResult>;
}
export declare function map<TSource, TResult>(source: Iterable<TSource>, selector: (value: TSource, index: number) => TResult, thisArg?: any): IterableX<TResult>;