/**
 * Create an empty iterator.
 *
 * @returns A new iterator which yields nothing.
 *
 * #### Example
 * ```typescript
 * import { empty } from '@lumino/algorithm';
 *
 * let stream = empty<number>();
 *
 * Array.from(stream);  // []
 * ```
 */
export declare function empty<T>(): IterableIterator<T>;