void function ( E arg0 ) { }
this method is called before an element is removed . the implementing class can override this method to perform specific logic . concode_field_sep Collection<RegistryChangeListener<E>> listeners concode_elem_sep ManagedProvider<E,K> managedProvider concode_elem_sep Map<Provider<E>,Collection<E>> elementMap concode_elem_sep Logger logger concode_elem_sep EventPublisher eventPublisher concode_field_sep void add concode_elem_sep void addRegistryChangeListener concode_elem_sep Collection<E> getAll concode_elem_sep void addProvider concode_elem_sep void added concode_elem_sep void notifyListenersAboutRemovedElement concode_elem_sep void notifyListenersAboutUpdatedElement concode_elem_sep void notifyListeners concode_elem_sep void notifyListeners concode_elem_sep void onAddElement concode_elem_sep E update concode_elem_sep void setEventPublisher concode_elem_sep void removeRegistryChangeListener concode_elem_sep E remove concode_elem_sep void removeProvider concode_elem_sep void postEvent concode_elem_sep void unsetEventPublisher concode_elem_sep void onUpdateElement concode_elem_sep void removed concode_elem_sep void updated concode_elem_sep void notifyListenersAboutAddedElement