*/
  @CanIgnoreReturnValue
  public int writeBytesTo(byte[] dest, int offset, int maxLength) {
    maxLength = min(maxLength, bits() / 8);
    Preconditions.checkPositionIndexes(offset, offset + maxLength, dest.length);
    writeBytesToImpl(dest, offset, maxLength);
    return maxLength;
  }

  abstract void writeBytesToImpl(byte[] dest, int offset, int maxLength);

  /**

   * does (no actual copying is performed). To reduce memory usage, use {@code subArray(start,
   * end).trimmed()}.
   */
  public ImmutableLongArray subArray(int startIndex, int endIndex) {
    Preconditions.checkPositionIndexes(startIndex, endIndex, length());
    return startIndex == endIndex
        ? EMPTY
        : new ImmutableLongArray(array, start + startIndex, start + endIndex);
  }

   * does (no actual copying is performed). To reduce memory usage, use {@code subArray(start,
   * end).trimmed()}.
   */
  public ImmutableIntArray subArray(int startIndex, int endIndex) {
    Preconditions.checkPositionIndexes(startIndex, endIndex, length());
    return startIndex == endIndex
        ? EMPTY
        : new ImmutableIntArray(array, start + startIndex, start + endIndex);
  }

  /*

   *     or if {@code end} is less than {@code start}
   * @throws IllegalArgumentException if {@code size} is negative
   */
  public static void checkPositionIndexes(int start, int end, int size) {
    // Carefully optimized for execution by hotspot (explanatory comment above)
    if (start < 0 || end < start || end > size) {