doDelete(entity, null);
    }

    public int queryDelete(CBCall<UserCB> cbLambda) {
        return doQueryDelete(createCB(cbLambda), null);
    }

    public int[] batchInsert(List<User> list) {
        return batchInsert(list, null, null);
    }

    public int[] batchInsert(List<User> list, RequestOptionCall<BulkRequestBuilder> call) {

    private static final int DEFAULT_BUFFER_LENGTH = 4096;

    /** The buffer of bytes sent to the stream */
    private byte[] buffer = new byte[DEFAULT_BUFFER_LENGTH];

    /** Offset of the start of unwritten data in the buffer */
    private int start = 0;

    /** Offset of the end (semi-open) of unwritten data in the buffer */
    private int end = 0;

    @Override

  }

  private static final ImmutableList<Range<Integer>> RANGES;
  private static final int MIN_BOUND = -1;
  private static final int MAX_BOUND = 1;

  static {
    ImmutableList.Builder<Range<Integer>> builder = ImmutableList.builder();

    builder.add(Range.<Integer>all());

    // Add one-ended ranges
    for (int i = MIN_BOUND; i <= MAX_BOUND; i++) {
      for (BoundType type : BoundType.values()) {

  private static @Nullable Object[] fillArray(Iterable<?> elements, @Nullable Object[] array) {
    int i = 0;
    for (Object element : elements) {
      array[i++] = element;
    }
    return array;
  }

  /** Swaps {@code array[i]} with {@code array[j]}. */
  static void swap(Object[] array, int i, int j) {
    Object temp = array[i];
    array[i] = array[j];
    array[j] = temp;
  }

        final int threadCount = 10;
        final int operationsPerThread = 100;
        final ExecutorService executor = Executors.newFixedThreadPool(threadCount);

        final List<Long> timings = Collections.synchronizedList(new ArrayList<>());

        try {
            for (int t = 0; t < threadCount; t++) {
                executor.submit(() -> {

  @Override
  void readFully(byte[] b);

  @Override
  void readFully(byte[] b, int off, int len);

  // not guaranteed to skip n bytes so result should NOT be ignored
  // use ByteStreams.skipFully or one of the read methods instead
  @Override
  int skipBytes(int n);

  @CanIgnoreReturnValue // to skip a byte
  @Override
  boolean readBoolean();

      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) {
        return result;
      }
      advance();
    }
    return -1;
  }

  @Override
  public long skip(long n) throws IOException {
    if (in == null || n <= 0) {

  @Param({"100", "10000"})
  private int size;

  @Param private HeapType heap;

  private Queue<Integer> queue;

  private final Random random = new Random();

  @BeforeExperiment
  void setUp() {
    queue = heap.create(comparator.get());
    for (int i = 0; i < size; i++) {
      queue.add(random.nextInt());
    }
  }

  @Benchmark
  void pollAndAdd(int reps) {
    for (int i = 0; i < reps; i++) {

  @Param({"100", "10000"})
  private int size;

  @Param private HeapType heap;

  private Queue<Integer> queue;

  private final Random random = new Random();

  @BeforeExperiment
  void setUp() {
    queue = heap.create(comparator.get());
    for (int i = 0; i < size; i++) {
      queue.add(random.nextInt());
    }
  }

  @Benchmark
  void pollAndAdd(int reps) {
    for (int i = 0; i < reps; i++) {

     * @param statement
     *            {@link Statement}. Must not be {@literal null}.
     * @param fetchSize
     *            Fetch size.
     * @see Statement#setFetchSize(int)
     */
    public static void setFetchSize(final Statement statement, final int fetchSize) {
        assertArgumentNotNull("statement", statement);

        try {
            statement.setFetchSize(fetchSize);
        } catch (final SQLException ex) {