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  1. import { MonoTypeOperatorFunction } from '../interfaces';
  2. /**
  3. * Returns a new Observable that multicasts (shares) the original Observable. As long as there is at least one
  4. * Subscriber this Observable will be subscribed and emitting data. When all subscribers have unsubscribed it will
  5. * unsubscribe from the source Observable. Because the Observable is multicasting it makes the stream `hot`.
  6. * This is an alias for .multicast(() => new Subject()).refCount().
  7. *
  8. * <img src="./img/share.png" width="100%">
  9. *
  10. * @return {Observable<T>} An Observable that upon connection causes the source Observable to emit items to its Observers.
  11. * @method share
  12. * @owner Observable
  13. */
  14. export declare function share<T>(): MonoTypeOperatorFunction<T>;