(self, request)
Raises :class:`ValueError``, anonymous credentials cannot be
        refreshed.
Raises :class:`ValueError``, anonymous credentials cannot be
        refreshed.
Raises : class : ValueError anonymous credentials cannot be refreshed .
def refresh(self, request):
        """Raises :class:`ValueError``, anonymous credentials cannot be
        refreshed."""
        raise ValueError("Anonymous credentials cannot be refreshed.")
def refresh ( self , request ) : raise ValueError ( "Anonymous credentials cannot be refreshed." )