.AixLib.Fluid.MassExchangers.MembraneBasedEnthalpyExchangers.BaseClasses.HeatTransfer.PartialHeatTransfer.Medium .AixLib.Fluid.MassExchangers.MembraneBasedEnthalpyExchangers.BaseClasses.HeatTransfer.PartialHeatTransfer.Mediumpackage Medium = Modelica.Media.Interfaces.PartialMedium;