code: public EClass getIfcProfileDef() {
  		if (ifcProfileDefEClass == null) {
  			ifcProfileDefEClass = (EClass) EPackage.Registry.INSTANCE.getEPackage(Ifc2x3tc1Package.eNS_URI)
  					.getEClassifiers().get(390);
  		}
  		return ifcProfileDefEClass;
  	}
docs: <!-- begin-user-doc -->
  <!-- end-user-doc -->
  @generated