  We discuss the dependence of the Josephson current correlations in mesoscopic
superconductor/normal-conductor/superconductor (SNS) devices on the
transparency of the superconductor/normal-conductor (SN) interfaces. Focusing
on short junctions we apply the supersymmetry method to construct an effective
field theory for mesoscopic SNS devices which is evaluated in the limit of
highly and weakly transparent interfaces. We show that the two-point
Josephson-current correlator differs by an universal factor 2 in these two
cases.
