code: @Override
  	public EClass getIfcGridAxis() {
  		if (ifcGridAxisEClass == null) {
  			ifcGridAxisEClass = (EClass) EPackage.Registry.INSTANCE.getEPackage(Ifc4Package.eNS_URI).getEClassifiers()
  					.get(308);
  		}
  		return ifcGridAxisEClass;
  	}
docs: <!-- begin-user-doc -->
  <!-- end-user-doc -->
  @generated