* and returns it.
   */
  fun <T : ConnectionEvent> removeUpToEvent(eventClass: Class<T>): T {
    val fullEventSequence = eventSequence.toList()
    try {
      while (true) {
        val event = takeEvent()
        if (eventClass.isInstance(event)) {
          return eventClass.cast(event)
        }
      }
    } catch (e: NoSuchElementException) {

     */
    protected void parseJwtClaim(final String jwtClaim, final Map<String, Object> attributes) throws IOException {
        try (final JsonParser jsonParser = jsonFactory.createJsonParser(jwtClaim)) {
            while (jsonParser.nextToken() != JsonToken.END_OBJECT) {
                final String name = jsonParser.getCurrentName();
                if (name != null) {
                    jsonParser.nextToken();

            deflater.finish();

            ByteArrayOutputStream baos = new ByteArrayOutputStream(length);
            byte[] buffer = new byte[1024];

            while (!deflater.finished()) {
                int compressedSize = deflater.deflate(buffer);
                baos.write(buffer, 0, compressedSize);
            }

            deflater.end();

     * @throws IOException if an I/O error occurs
     */
    public static int readn(final InputStream in, final byte[] b, final int off, final int len) throws IOException {
        int i = 0, n = -5;

        while (i < len) {
            n = in.read(b, off + i, len - i);
            if (n <= 0) {
                break;
            }
            i += n;
        }

        return i;
    }

    /* state values

     *
     * @param parent the parent SMB resource
     * @param name the resource name to test
     * @return whether the given filename should be included
     * @throws CIFSException if an error occurs while accessing the resource
     */
    boolean accept(SmbResource parent, String name) throws CIFSException;

     *
     * @param file the SMB file to test for inclusion
     * @return true if the file should be included, false otherwise
     * @throws SmbException if an error occurs while accessing the file
     */
    boolean accept(SmbFile file) throws SmbException;

internal class SequentialExchangeFinder(
  override val routePlanner: RoutePlanner,
) : ExchangeFinder {
  override fun find(): RealConnection {
    var firstException: IOException? = null
    while (true) {
      if (routePlanner.isCanceled()) throw IOException("Canceled")

      try {
        val plan = routePlanner.plan()

        if (!plan.isReady) {
          val tcpConnectResult = plan.connectTcp()

        assertDoesNotThrow(() -> {
            int outerCount = 0;
            while (emptyIterator.hasNext()) {
                emptyIterator.next();
                outerCount++;

                int innerCount = 0;
                try (EmptyIterator innerIterator = new EmptyIterator()) {
                    while (innerIterator.hasNext()) {
                        innerIterator.next();

  @Override
  protected abstract SortedSet<Integer> create(Integer[] elements);

  /** Sorts the elements by their natural ordering. */
  /*
   * While the current implementation returns `this`, that's not something we mean to guarantee.
   * Callers of TestContainerGenerator.order need to be prepared for implementations to return a new
   * collection.
   */

        checkNotNull(appendable, "appendable");
        checkNotNull(parts, "parts");
        while (parts.hasNext()) {
          Object part = parts.next();
          if (part != null) {
            appendable.append(Joiner.this.toString(part));
            break;
          }
        }
        while (parts.hasNext()) {
          Object part = parts.next();
          if (part != null) {