{ return -1; }
bool IsIPInIndex(uint32_t /*ip*/) const { return false; }
bool IsIPInUse(uint32_t, const std::string &, CONST_USER_PTR *) const { return false; }
+ bool Exists(const std::string &) const { return false; }
int OpenSearch() { return 0; }
int SearchNext(int /*handle*/, USER_PTR * /*u*/) { return -1; }