code: public EClass getIfcRelAssignsToGroup() {
  		if (ifcRelAssignsToGroupEClass == null) {
  			ifcRelAssignsToGroupEClass = (EClass) EPackage.Registry.INSTANCE.getEPackage(Ifc2x3tc1Package.eNS_URI)
  					.getEClassifiers().get(442);
  		}
  		return ifcRelAssignsToGroupEClass;
  	}
docs: <!-- begin-user-doc -->
  <!-- end-user-doc -->
  @generated