question: registers the given isafetynetlistener to receive notificationsrelated to the safety net . concode_field_sep ChildZNodeWatcher rootWatcher concode_elem_sep Logger LOG concode_elem_sep NimbusSafetyNet s_instance concode_elem_sep HashMap<String,CacheZNode> cacheMap concode_elem_sep boolean stopped concode_elem_sep ArrayList<ISafetyNetListener> listeners concode_field_sep void notifyCacheRemoved concode_elem_sep void notifyCacheletAdded concode_elem_sep void stop concode_elem_sep void notifyCacheletStale concode_elem_sep void updateCacheMap concode_elem_sep void update concode_elem_sep void notifyCacheletRemoved concode_elem_sep void run concode_elem_sep void notifyCacheAdded concode_elem_sep NimbusSafetyNet getInstance concode_elem_sep boolean removeListener
target: boolean function ( ISafetyNetListener arg0 ) { return listeners . add ( arg0 ) ; }