Return the private packages for a given set of usernames/logins.

def multi_packages(self, logins=None, platform=None, package_type=None,
                       type_=None, access=None):
        """Return the private packages for a given set of usernames/logins."""
        logger.debug('')
        method = self._multi_packages
        new_client = True

        try:
            # Only the newer versions have extra keywords like `access`
            self._anaconda_client_api.user_packages(access='private')
        except Exception:
            new_client = False

        return self._create_worker(method, logins=logins,
                                   platform=platform,
                                   package_type=package_type,
                                   type_=type_, access=access,
                                   new_client=new_client)