/// <reference path="../../observable.ts"/>
module Rx {
    export interface Observable<T> {
        /**
        * Returns an observable sequence that shares a single subscription to the underlying sequence. This observable sequence
        * can be resubscribed to, even if all prior subscriptions have ended. (unlike `.publish().refCount()`)
        * @returns {Observable} An observable sequence that contains the elements of a sequence produced by multicasting the source.
        */
        singleInstance(): Observable<T>;
    }
}


(function() {
    var o: Rx.Observable<number>;
    var oc: Rx.ConnectableObservable<number>;
    var is: Rx.ISubject<number>;
    var s: Rx.Subject<number>;
    var a: Rx.Observable<string>;

    o = o.singleInstance();
});