import { Observable } from '../Observable';
/**
 * Returns a new Observable that multicasts (shares) the original Observable. As long as there is at least one
 * Subscriber this Observable will be subscribed and emitting data. When all subscribers have unsubscribed it will
 * unsubscribe from the source Observable. Because the Observable is multicasting it makes the stream `hot`.
 * This is an alias for .publish().refCount().
 *
 * <img src="./img/share.png" width="100%">
 *
 * @returns {Observable<T>} an Observable that upon connection causes the source Observable to emit items to its Observers
 */
export declare function share<T>(): Observable<T>;