code: protected final void skipIndex(final int skippedCharIndex) {
          _bufferedString.addChar();
          if (_skipped.length == 0 || _skipped[_skipped.length - 1] != -1) {
              _skipped = Arrays.copyOf(_skipped, Math.max(_skipped.length + 1, 1));
          }
  
          _skipped[_skippedWriteIndex] = skippedCharIndex;
          _skippedWriteIndex++;
      }
docs: Marks a character in the backing array as skipped. Such character is no longer serialized when toString() method
  is called on this buffer.
  
  @param skippedCharIndex Index of the character in the backing array to skip