declaration declaration definition SubEntityDefinition(const string &,PartDefinition &) definition declaration SubEntityDefinition(int,PartDefinition &) definition declaration getMaterialName() definition declaration getPartDefinition() definition declaration getSubEntityIndex() definition declaration getSubEntityName() definition declaration setMaterialName(const string &) definition declaration SubEntityDefinition PartDefinition true false pass by reference pass by reference SubModelPart true false pass by reference pass by reference PartDefinition true false pass by reference pass by reference pass by reference pass by reference has by reference string true true pass by reference pass by reference pass by reference pass by reference has by value has by value