code: @Override
  	public EClass getIfcVolumeMeasure() {
  		if (ifcVolumeMeasureEClass == null) {
  			ifcVolumeMeasureEClass = (EClass) EPackage.Registry.INSTANCE.getEPackage(Ifc4Package.eNS_URI)
  					.getEClassifiers().get(891);
  		}
  		return ifcVolumeMeasureEClass;
  	}
docs: <!-- begin-user-doc -->
  <!-- end-user-doc -->
  @generated