/// module Rx { export interface Observable { /** * Returns an array with the specified number of contiguous elements from the end of an observable sequence. * * @description * This operator accumulates a buffer with a length enough to store count elements. Upon completion of the * source sequence, this buffer is produced on the result sequence. * @param {Number} count Number of elements to take from the end of the source sequence. * @returns {Observable} An observable sequence containing a single array with the specified number of elements from the end of the source sequence. */ takeLastBuffer(count: number): Observable; } } (function() { var o: Rx.Observable; var o2: Rx.Observable; o2 = o.takeLastBuffer(1); });