@Override
	public EClass getIfcRationalBSplineCurveWithKnots() {
		if (ifcRationalBSplineCurveWithKnotsEClass == null) {
			ifcRationalBSplineCurveWithKnotsEClass = (EClass) EPackage.Registry.INSTANCE
					.getEPackage(Ifc4Package.eNS_URI).getEClassifiers().get(500);
		}
		return ifcRationalBSplineCurveWithKnotsEClass;
	}
@ Override public EClass getIfcRationalBSplineCurveWithKnots ( ) { if ( ifcRationalBSplineCurveWithKnotsEClass == null ) { ifcRationalBSplineCurveWithKnotsEClass = ( EClass ) EPackage . Registry . INSTANCE . getEPackage ( Ifc4Package . eNS_URI ) . getEClassifiers ( ) . get ( 500 ) ; } return ifcRationalBSplineCurveWithKnotsEClass ; }
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@generated