export declare class PolyfillIterable implements Iterable { iterable: Iterable; constructor(iterable: Iterable); [Symbol.iterator](): Iterator; map(map: (value: T) => R): PolyfillIterable; filter(filter: (value: T) => boolean): PolyfillIterable; toArray(): T[]; static from(iterable: Iterable): PolyfillIterable; } export declare function polyfillIterable(iterable: Iterable): PolyfillIterable;