code: @Override
  	public EClass getIfcPropertySetDefinition() {
  		if (ifcPropertySetDefinitionEClass == null) {
  			ifcPropertySetDefinitionEClass = (EClass) EPackage.Registry.INSTANCE.getEPackage(Ifc4Package.eNS_URI)
  					.getEClassifiers().get(474);
  		}
  		return ifcPropertySetDefinitionEClass;
  	}
docs: <!-- begin-user-doc -->
  <!-- end-user-doc -->
  @generated