code: public EClass getIfcCurve() {
  		if (ifcCurveEClass == null) {
  			ifcCurveEClass = (EClass) EPackage.Registry.INSTANCE.getEPackage(Ifc2x3tc1Package.eNS_URI).getEClassifiers()
  					.get(135);
  		}
  		return ifcCurveEClass;
  	}
docs: <!-- begin-user-doc -->
  <!-- end-user-doc -->
  @generated