RxJS 5 concatMapTo
RxJS 5 bufferTime
RxJS 5 throttle
RxJS 5 takeUntil
RxJS 5 take
RxJS 5 sample
RxJS 5 last
RxJS 5 ignoreElements
RxJS 5 throttleTime
RxJS 5 concatMap
RxJS 5 first
RxJS 5 filter
RxJS 5 distinctUntilChanged
RxJS 5 debounce
RxJS 5 multicast
RxJS 5 bufferCount
RxJS 5 catch