}
  }

  private static List<String> bufferHelper(String input, int chunk) throws IOException {
    List<String> lines = new ArrayList<>();
    LineBuffer lineBuf =
        new LineBuffer() {
          @Override
          protected void handleLine(String line, String end) {
            lines.add(line + end);
          }
        };
    char[] chars = input.toCharArray();

    }
  }

  private static List<String> bufferHelper(String input, int chunk) throws IOException {
    List<String> lines = new ArrayList<>();
    LineBuffer lineBuf =
        new LineBuffer() {
          @Override
          protected void handleLine(String line, String end) {
            lines.add(line + end);
          }
        };
    char[] chars = input.toCharArray();