public EClass getIfcMaterialList() {
		if (ifcMaterialListEClass == null) {
			ifcMaterialListEClass = (EClass) EPackage.Registry.INSTANCE.getEPackage(Ifc2x3tc1Package.eNS_URI)
					.getEClassifiers().get(312);
		}
		return ifcMaterialListEClass;
	}
public EClass getIfcMaterialList ( ) { if ( ifcMaterialListEClass == null ) { ifcMaterialListEClass = ( EClass ) EPackage . Registry . INSTANCE . getEPackage ( Ifc2x3tc1Package . eNS_URI ) . getEClassifiers ( ) . get ( 312 ) ; } return ifcMaterialListEClass ; }
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@generated