internal IfcAirToAirHeatRecovery(DatabaseIfc db, IfcAirToAirHeatRecovery a) : base(db, a) { mPredefinedType = a.mPredefinedType; } public IfcAirToAirHeatRecovery(IfcObjectDefinition host, IfcObjectPlacement placement, IfcProductRepresentation representation, IfcDistributionSystem system) : base(host, placement, representation, system) { }