/**
 * converts `Generator` function into `IterableIterator`
 *
 * @param gen - function that returns `Generator` object
 * @returns `IterableIterator` without "throw" and "return" methods
 */
export declare function fromGen<T>(gen: () => Generator<T>): IterableIterator<T>;
/**
 * converts `AsyncGenerator` function into `AsyncIterableIterator`
 *
 * @param gen - function that returns `AsyncGenerator` object
 * @returns `IterableIterator` without "throw" and "return" methods
 */
export declare function fromGen<T>(gen: () => AsyncGenerator<T>): AsyncIterableIterator<T>;