@Override
	public EClass getIfcSIUnit() {
		if (ifcSIUnitEClass == null) {
			ifcSIUnitEClass = (EClass) EPackage.Registry.INSTANCE.getEPackage(Ifc4Package.eNS_URI).getEClassifiers()
					.get(583);
		}
		return ifcSIUnitEClass;
	}
@ Override public EClass getIfcSIUnit ( ) { if ( ifcSIUnitEClass == null ) { ifcSIUnitEClass = ( EClass ) EPackage . Registry . INSTANCE . getEPackage ( Ifc4Package . eNS_URI ) . getEClassifiers ( ) . get ( 583 ) ; } return ifcSIUnitEClass ; }
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@generated