this method stop emitting items to the observable , but buffers them internally concode_field_sep List<ChildEvent> mEvents concode_elem_sep Subject<ChildEvent,ChildEvent> mSubject concode_elem_sep boolean isDeliveryPaused concode_field_sep void onCancelled concode_elem_sep void onChildChanged concode_elem_sep Observable<ChildEvent> getObservable concode_elem_sep void onChildMoved concode_elem_sep void onChildAdded concode_elem_sep void resumeDelivery concode_elem_sep void onChildRemoved concode_elem_sep void finishDelivery
void function ( ) { this . isDeliveryPaused = true ; }