declare type AsyncOrSyncIterable<T> = import("../lib/AsyncOrSyncIterable.js").AsyncOrSyncIterable<T>;
/**
 * this is a tiny utility so that calling .return is idempotent and can be
 * called multiple times while only calling .return on the source iterable
 * once
 */
export default function iterator<T>(iterable: AsyncOrSyncIterable<T>): AsyncGenerator<T, void, undefined>;
export {};