code: public EClass getIfcDiscreteAccessory() {
  		if (ifcDiscreteAccessoryEClass == null) {
  			ifcDiscreteAccessoryEClass = (EClass) EPackage.Registry.INSTANCE.getEPackage(Ifc2x3tc1Package.eNS_URI)
  					.getEClassifiers().get(155);
  		}
  		return ifcDiscreteAccessoryEClass;
  	}
docs: <!-- begin-user-doc -->
  <!-- end-user-doc -->
  @generated