+ using UserPtr = STG::User*;
+ using ConstUserPtr = const STG::User*;
+
+ int FindByName(const std::string & /*login*/, UserPtr * /*user*/) override
+ { return -1; }
+ int FindByName(const std::string & /*login*/, ConstUserPtr * /*user*/) const override
+ { return -1; }
+
+ bool TariffInUse(const std::string & /*tariffName*/) const override
+ { return -1; }