public EClass getIfcAirToAirHeatRecoveryType() {
		if (ifcAirToAirHeatRecoveryTypeEClass == null) {
			ifcAirToAirHeatRecoveryTypeEClass = (EClass) EPackage.Registry.INSTANCE
					.getEPackage(Ifc2x3tc1Package.eNS_URI).getEClassifiers().get(9);
		}
		return ifcAirToAirHeatRecoveryTypeEClass;
	}
public EClass getIfcAirToAirHeatRecoveryType ( ) { if ( ifcAirToAirHeatRecoveryTypeEClass == null ) { ifcAirToAirHeatRecoveryTypeEClass = ( EClass ) EPackage . Registry . INSTANCE . getEPackage ( Ifc2x3tc1Package . eNS_URI ) . getEClassifiers ( ) . get ( 9 ) ; } return ifcAirToAirHeatRecoveryTypeEClass ; }
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@generated