+ int FindByIPIdx(uint32_t /*ip*/, UserPtr* /*user*/) const override
+ { return -1; }
+ bool IsIPInIndex(uint32_t /*ip*/) const override { return false; }
+ bool IsIPInUse(uint32_t, const std::string&, ConstUserPtr*) const override { return false; }
+ bool Exists(const std::string&) const override { return false; }