umbrello 25.04.3
Umbrello UML Modeller is a Unified Modelling Language (UML) diagram program based on KDE Technology

widgets → codeimport Relation

File in umbrello/dialogs/widgetsIncludes file in umbrello/codeimport
umldatatypewidget.cppimport_utils.h
umlpackagewidget.cppimport_utils.h