*            {@literal null}や空文字列であってはいけません
     * @return {@link MessageDigest}
     * @throws RuntimeException
     *             {@link NoSuchAlgorithmException}が発生した場合
     */
    public static MessageDigest getInstance(final String algorithm) {
        assertArgumentNotEmpty("algorithm", algorithm);

        try {
            return MessageDigest.getInstance(algorithm);

	json.NewEncoder(w).Encode(res)
	return
}

func main() {
	flag.Parse()
	serveFunc := func() error {
		return http.ListenAndServe(":8080", nil)
	}

	if certFile != "" || keyFile != "" {
		if certFile == "" || keyFile == "" {
			log.Fatal("Please provide both a key file and a cert file to enable TLS.")
		}
		serveFunc = func() error {
			return http.ListenAndServeTLS(":8080", certFile, keyFile, nil)

      }
    }
  }

  override fun getSelectedProtocol(sslSocket: SSLSocket): String? {
    // No TLS extensions if the socket class is custom.
    if (!matchesSocket(sslSocket)) {
      return null
    }

    return try {
      val alpnResult = getAlpnSelectedProtocol.invoke(sslSocket) as ByteArray?
      alpnResult?.toString(Charsets.UTF_8)
    } catch (e: IllegalAccessException) {
      throw AssertionError(e)

    }
  }

  private static boolean isAndroid() {
    return System.getProperty("java.runtime.name", "").contains("Android");
  }

  private static boolean isWindows() {
    return OS_NAME.value().startsWith("Windows");
  }

  private static boolean isJava8() {
    return JAVA_SPECIFICATION_VERSION.value().equals("1.8");
  }

            if (ruleList == null || ruleList.isEmpty()) {
                return null;
            }

            StringBuilder sb = new StringBuilder();
            for (String line : ruleList) {
                sb.append(line).append(System.lineSeparator());
            }
            return UserDictionary.open(new StringReader(sb.toString()));
        } catch (IOException e) {

  @Override
  public <T> T newProxy(
      T target, Class<T> interfaceType, long timeoutDuration, TimeUnit timeoutUnit) {
    checkNotNull(target);
    checkNotNull(interfaceType);
    checkNotNull(timeoutUnit);
    return target; // ha ha
  }

  @CanIgnoreReturnValue // TODO(kak): consider removing this
  @Override
  @ParametricNullness
  public <T extends @Nullable Object> T callWithTimeout(

                throw new PACDecodingException("Invalid field in kerberos ticket");
            }
        }
    }


    public byte getApOptions () {
        return this.apOptions;
    }


    public KerberosTicket getTicket () {
        return this.ticket;
    }

        this.secondaryParameterOffset = NTT_SECONDARY_PARAMETER_OFFSET;
    }


    /**
     * 
     * @return a cancel request
     */
    @Override
    public CommonServerMessageBlockRequest createCancel () {
        return new SmbComNtCancel(getConfig(), (int) getMid());
    }


    @Override
    protected int writeParameterWordsWireFormat ( byte[] dst, int dstIndex ) {

     *
     * @param args the command-line arguments
     * @param logger the logger to use during parsing
     * @param messageBuilderFactory the factory for creating message builders
     * @return the parsed InvokerRequest
     * @throws ParserException if there's an error during parsing of the command or arguments
     * @throws IOException if there's an I/O error during the parsing process
     */
    @Nonnull

    }

    /**
     * @param identifiables
     * @return a map
     */
    private static <T extends IdentifiableBase> Map<String, T> mapById(List<T> identifiables) {
        Map<String, T> byId = new HashMap<>();

        for (T identifiable : identifiables) {
            byId.put(identifiable.getId(), identifiable);
        }

        return byId;
    }