NameResolver = ref object of RootObj

proc getHostname(ma: MultiAddress): string {....raises: [], tags: [RootEffect].}

proc resolveDnsAddr(self: NameResolver; ma: MultiAddress; depth: int = 0): Future[
    seq[MultiAddress]] {.stackTrace: false, ...gcsafe, raises: [], raises: [],
                         raises: [], tags: [RootEffect].}

proc resolveMAddress(self: NameResolver; address: MultiAddress): Future[
    seq[MultiAddress]] {.stackTrace: false, ...gcsafe, raises: [], raises: [],
                         raises: [], tags: [RootEffect].}

method resolveIp(self: NameResolver; address: string; port: Port;
                 domain: Domain = Domain.AF_UNSPEC): Future[
    seq[TransportAddress]] {.base, stackTrace: false, ...gcsafe, raises: [],
                             raises: [], raises: [], tags: [RootEffect].}

method resolveTxt(self: NameResolver; address: string): Future[seq[string]] {.
    base, stackTrace: false, ...gcsafe, raises: [], raises: [], raises: [],
    tags: [RootEffect].}