get all nodelistener s registered in jenkins . concode_field_sep Logger LOGGER concode_field_sep void onUpdated concode_elem_sep void fireOnDeleted concode_elem_sep void fireOnUpdated concode_elem_sep void onDeleted concode_elem_sep void fireOnCreated concode_elem_sep void onCreated
List < NodeListener > function ( ) { return ExtensionList . lookup ( NodeListener . class ) ; }