export function mapIterator(iterator: Iterator, f: (arg0: T) => R): IterableIterator; export function createIterator(next: () => IteratorResult): IterableIterator; export function iteratorFilter(iterator: Iterator, filter: (arg0: T) => boolean): IterableIterator; export function iteratorMap(iterator: Iterator, fmap: (arg0: T) => M): IterableIterator; //# sourceMappingURL=iterator.d.ts.map