question: add the given handlermethodreturnvaluehandler s. concode_field_sep Log logger concode_elem_sep List<HandlerMethodReturnValueHandler> returnValueHandlers concode_field_sep HandlerMethodReturnValueHandlerComposite addHandler concode_elem_sep boolean supportsReturnType concode_elem_sep void handleReturnValue concode_elem_sep HandlerMethodReturnValueHandler getReturnValueHandler concode_elem_sep List<HandlerMethodReturnValueHandler> getReturnValueHandlers concode_elem_sep void clear
target: HandlerMethodReturnValueHandlerComposite function ( List < ? extends HandlerMethodReturnValueHandler > arg0 ) { if ( arg0 != null ) { for ( HandlerMethodReturnValueHandler loc0 : arg0 ) { this . returnValueHandlers . add ( loc0 ) ; } } return this ; }