@Override
  public int read() {
    if (available() <= 0) {
      return -1;
    }
    return ((int) mPooledByteBuffer.read(mOffset++)) & 0xFF;
  }
Returns {@code true} since this class supports {@link #mark(int)} and {@link #reset()} methods
fbcore/src/main/java/com/facebook/common/memory/PooledByteBufferInputStream.java