if ( host == null || host.length() == 0 ) {
            return getLocalHost();
        }

        Name name = new Name(this.transportContext.getConfig(), host, type, scope);
        if ( !Character.isDigit(host.charAt(0)) ) {
            return doNameQuery(name, svr);
        }

        int IP = 0x00;
        int hitDots = 0;
        char[] data = host.toCharArray();

		return nil
	}

	// normalize the name to letters, digits, _ or $
	valid := true
	cleaned := strings.Map(func(r rune) rune {
		switch {
		case unicode.IsLetter(r):
			return 'a'
		case unicode.IsDigit(r):
			return '0'
		case r == '_', r == '$':
			return r
		default:
			valid = false
			return -1
		}
	}, name)

	if valid {
		// check for simple name or quoted name

                String server = authorityServerName;
                int dot = server.indexOf('.');
                if ( dot > 0 && Character.isDigit(server.charAt(0)) == false )
                    server = server.substring(0, dot);
                try ( LsaPolicyHandle policyHandle = new LsaPolicyHandle(handle, "\\\\" + server, 0x00000800) ) {

          "Only a colon may follow a close bracket: %s",
          hostPortString);
      for (int i = closeBracketIndex + 2; i < hostPortString.length(); ++i) {
        checkArgument(
            Character.isDigit(hostPortString.charAt(i)),
            "Port must be numeric: %s",
            hostPortString);
      }
      return new String[] {host, hostPortString.substring(closeBracketIndex + 2)};
    }
  }

  /**

   */
  @Deprecated
  public static CharMatcher digit() {
    return Digit.INSTANCE;
  }

  /**
   * Determines whether a character is a BMP digit according to {@linkplain Character#isDigit(char)
   * Java's definition}. If you only care to match ASCII digits, you can use {@code inRange('0',
   * '9')}.
   *
   * @deprecated Many digits are supplementary characters; see the class documentation.

                    "[\\PIPE\\lsarpc]", auth);
            String server = authorityServerName;
            int dot = server.indexOf('.');
            if (dot > 0 && Character.isDigit(server.charAt(0)) == false)
                server = server.substring(0, dot);
            policyHandle = new LsaPolicyHandle(handle, "\\\\" + server, 0x00000800);
            SID.resolveSids(handle, policyHandle, sids);