/// module Rx { export interface Observable { /** * jortSort checks if your inputs are sorted until another Observable sequence fires. * See http://jort.technology/ for full details. * @returns {Observable} An observable which has a single value of true if sorted, else false. */ jortSortUntil(other: TOther): Observable; } } (function () { var o : Rx.Observable; var b : Rx.Observable = o.jortSortUntil(o); });