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import { MonoTypeOperatorFunction } from '../types';
/**
* 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 `multicast(() => new Subject()), refCount()`.
*
* ![](share.png)
*
* @return {Observable<T>} An Observable that upon connection causes the source Observable to emit items to its Observers.
* @method share
* @owner Observable
*/
export declare function share<T>(): MonoTypeOperatorFunction<T>;