private void getJsonString(Document document, int lineEnd) {
      CharSequence documentChars = document.getCharsSequence();
      int start = Holder.JSON_START_MATCHER.indexIn(documentChars, lineStart);
      if (start < 0) {
        return;
      }

      int end = -1;
      for (int i = lineEnd - 1; i > start; i--) {
        if (documentChars.charAt(i) == '}') {
          end = i;
          break;
        }
      }

      if (end == -1) {
        return;
      }

      this.start = start;
      this.end = end + 1;
    }
private void getJsonString(Document document, int lineEnd)