2.x: Add Completable marble diagrams (07/17a) (#6083)
2.x: Add Completable marble diagrams (07/17a) (#6083)


ReactiveX/RxJava,NiteshKant/RxJava,reactivex/rxjava,NiteshKant/RxJava,artem-zinnatullin/RxJava,artem-zinnatullin/RxJava,reactivex/rxjava,ReactiveX/RxJava