function der_meanDensity_phAhB extends TILMedia.BaseClasses.PartialVLEFluidObjectFunction; input Real p; input SI.MassFraction[:] xi "Mass fractions of the first nc-1 components"; input Real h_A; input Real h_B; input TILMedia.Internals.TILMediaExternalObject cache_A "Pointer to external medium mem||y"; input TILMedia.Internals.TILMediaExternalObject cache_B "Pointer to external medium mem||y"; input Real der_p; input Real[:] der_xi; input Real der_h_A; input Real der_h_B; output Real der_rhobar; output Real der_drhobar_dp; output Real der_drhobar_dh1; output Real der_drhobar_dh2; output Real der_onePhase; end der_meanDensity_phAhB;