#### Http2Writer

Socket writes are guarded by the Http2Writer. Only one stream can write at a time so that messages are not interleaved. Writes are either made by application-layer threads or the do-stuff-later pool.

### Holding multiple locks

   */
  static BigInteger randomPositiveBigInteger(int numBits) {
    BigInteger result;
    do {
      result = randomNonNegativeBigInteger(numBits);
    } while (result.signum() == 0);
    return result;
  }

  /**
   * Generates a number in [0, 2^numBits) with an exponential distribution. The floor of the log2 of

      assertThat(graph.edges()).isEmpty();
      AbstractGraphTest.validateGraph(graph);

      while (graph.nodes().size() < NUM_NODES) {
        graph.addNode(gen.nextInt(NODE_POOL_SIZE));
      }
      ArrayList<Integer> nodeList = new ArrayList<>(graph.nodes());
      while (graph.edges().size() < NUM_EDGES) {
        graph.putEdge(getRandomElement(nodeList, gen), getRandomElement(nodeList, gen));
      }

    if (o == null) return false;
    final E[] items = this.items;
    final Monitor monitor = this.monitor;
    monitor.enter();
    try {
      int i = takeIndex;
      int k = 0;
      while (k++ < count) {
        if (o.equals(items[i])) return true;
        i = inc(i);
      }
      return false;
    } finally {
      monitor.leave();
    }
  }

  /**

 *       Future} is "completed" even if it is cancelled while its underlying work continues on a
 *       thread, an RPC, etc. The {@code Future} is also "completed" if it fails "early" -- for
 *       example, if the deadline expires on a {@code Future} returned from {@link
 *       Futures#withTimeout} while the {@code Future} it wraps continues its underlying work. So

#   --prop=val
#   --prop val     set fess property (i.e.  -Des.<prop>=<val>)

CDPATH=""
SCRIPT="$0"

# SCRIPT may be an arbitrarily deep series of symlinks. Loop until we have the concrete path.
while [ -h "$SCRIPT" ] ; do
  ls=`ls -ld "$SCRIPT"`
  # Drop everything prior to ->
  link=`expr "$ls" : '.*-> \(.*\)$'`
  if expr "$link" : '/.*' > /dev/null; then
    SCRIPT="$link"
  else

      if (swallowIOException) {
        logger.log(Level.WARNING, "IOException thrown while closing Closeable.", e);
      } else {
        throw e;
      }
    }
  }

  /**
   * Closes the given {@link InputStream}, logging any {@code IOException} that's thrown rather than
   * propagating it.
   *
   * <p>While it's not safe in the general case to ignore exceptions that are thrown when closing an

  }

  @Override
  public int read() throws IOException {
    while (in != null) {
      int result = in.read();
      if (result != -1) {
        return result;
      }
      advance();
    }
    return -1;
  }

  @Override
  public int read(byte[] b, int off, int len) throws IOException {
    checkNotNull(b);
    while (in != null) {
      int result = in.read(b, off, len);
      if (result != -1) {

            StringBuilder value = new StringBuilder();

            // state of the automaton:
            // 0: key parsing
            // 1: antislash found while parsing the key
            // 2: separator crossing
            // 3: white spaces
            // 4: value parsing
            int state = 0;

            for (int pos = 0; pos < line.length(); pos++) {
                char c = line.charAt(pos);

   * <p><b>Java 8+ users:</b> use {@link Long#parseUnsignedLong(String, int)} instead.
   *
   * @param string the string containing the unsigned {@code long} representation to be parsed.
   * @param radix the radix to use while parsing {@code string}
   * @throws NumberFormatException if the string does not contain a valid unsigned {@code long} with
   *     the given radix, or if {@code radix} is not between {@link Character#MIN_RADIX} and {@link