.BuildSysPro.IBPSA.Fluid.Storage.BaseClasses.IndirectTankHeatExchanger.MediumHex .BuildSysPro.IBPSA.Fluid.Storage.BaseClasses.IndirectTankHeatExchanger.MediumHexHeat transfer fluid flowing through the heat exchanger
package MediumHex = Modelica.Media.Interfaces.PartialMedium;