*
     * @return the operating system name (never null)
     */
    @Nonnull
    String name();

    /**
     * Returns the OS architecture as reported by the system property "os.arch".
     * The value is converted to lowercase for consistency.
     *
     * @return the operating system architecture (never null)
     */
    @Nonnull
    String arch();

    /**

        private @Nullable Entry<K, V> toRemove = null;
        private @Nullable Entry<K, V> nextOrNull = forward().lastEntry();

        @Override
        public boolean hasNext() {
          return nextOrNull != null;
        }

        @Override
        public Entry<K, V> next() {
          if (nextOrNull == null) {
            throw new NoSuchElementException();
          }

        private @Nullable Entry<K, V> toRemove = null;
        private @Nullable Entry<K, V> nextOrNull = forward().lastEntry();

        @Override
        public boolean hasNext() {
          return nextOrNull != null;
        }

        @Override
        public Entry<K, V> next() {
          if (nextOrNull == null) {
            throw new NoSuchElementException();
          }

        "defaults": {
          "mappings": [],
          "thresholds": {
            "mode": "absolute",
            "steps": [
              {
                "color": "green",
                "value": null
              },
              {
                "color": "semi-dark-red",
                "value": 80
              }
            ]
          }
        },
        "overrides": []
      },

     */
    @Override
    public CommonServerMessageBlockRequest split() {
        return null;
    }

    /**
     * {@inheritDoc}
     *
     * @see jcifs.internal.CommonServerMessageBlockRequest#createCancel()
     */
    @Override
    public CommonServerMessageBlockRequest createCancel() {
        return null;
    }

    /**
     * {@inheritDoc}
     *

             * based on the configured remote repos.
             */
            MavenSession session = legacySupport.getSession();
            if (session != null) {
                MavenExecutionRequest req = session.getRequest();
                if (req != null) {
                    request.setActiveProfileIds(req.getActiveProfiles());
                    request.setInactiveProfileIds(req.getInactiveProfiles());
                }

        Field errorCodeField = null;

        while (currentClass != null && errorCodeField == null) {
            try {
                errorCodeField = currentClass.getDeclaredField("errorCode");
            } catch (NoSuchFieldException e) {
                currentClass = currentClass.getSuperclass();
            }
        }

        if (errorCodeField != null) {
            errorCodeField.setAccessible(true);

  body: ByteString?,
  connectionIndex: Int,
  exchangeIndex: Int,
  socket: MockWebServerSocket,
  failure: IOException? = null,
): RecordedRequest {
  val requestUrl =
    when (requestLine.method) {
      "CONNECT" -> "${socket.scheme}://${requestLine.target}/".toHttpUrlOrNull()
      else -> null
    }
      ?: requestLine.target.toHttpUrlOrNull()
      ?: requestUrl(socket, requestLine, headers)

  return RecordedRequest(

    for (entry in list) {
      var failure: Throwable? = null
      try {
        testToAscii(entry.input!!, entry.output, entry.comment)
      } catch (e: Throwable) {
        failure = e
      }

      if (entry.input in knownFailures) {
        if (failure == null) failures += AssertionError("known failure didn't fail: $entry")
      } else {
        if (failure != null) failures += failure
      }
    }

    val mainMethod =
      Class
        .forName(className)
        .methods
        .find { it.name == "main" }
    try {
      if (mainMethod != null) {
        if (mainMethod.parameters.isEmpty()) {
          mainMethod.invoke(null)
        } else {
          mainMethod.invoke(null, arrayOf<String>())
        }
      } else {
        System.err.println("No main for $className")
      }