public void diff_charsToLines(LinkedList<Diff> diffs,
      List<String> lineArray) {
    StringBuilder text;
    for (Diff diff : diffs) {
      text = new StringBuilder();
      for (int y = 0; y < diff.text.length(); y++) {
        text.append(lineArray.get(diff.text.charAt(y)));
      }
      diff.text = text.toString();
    }
  }
Rehydrate the text in a diff from a string of line hashes to real lines of
text.

@param diffs LinkedList of Diff objects.
@param lineArray List of unique strings.
src/burp/Utils/diff_match_patch.java