private void convertEndComments(int lineCount) {
      List<PsiComment> endComments = new ArrayList<>();
      CharSequence text = myDoc.getCharsSequence();
      for (int i = 0; i < lineCount; i++) {
        myIndicator.checkCanceled();
        myIndicator.setFraction(0.05 * i / lineCount);
        int line = myLine + i;
        int lineEnd = myDoc.getLineEndOffset(line);
        int lastNonSpaceOffset = StringUtil.skipWhitespaceBackward(text, lineEnd);
        if (lastNonSpaceOffset > myDoc.getLineStartOffset(line)) {
          PsiComment comment = getCommentElement(myFile.findElementAt(lastNonSpaceOffset - 1));
          if (comment != null) {
            int nextStart = CharArrayUtil.shiftForward(text, myDoc.getLineStartOffset(line + 1), " \t\n");
            if (nextStart < text.length() &&
                myDoc.getLineNumber(nextStart) <= myLine + lineCount &&
                !isLineComment(getCommentElement(myFile.findElementAt(nextStart)))) {
              endComments.add(comment);
            }
          }
        }
      }
      boolean changed = false;
      for (int i = 0; i < endComments.size(); i++) {
        myIndicator.checkCanceled();
        myIndicator.setFraction(0.05 + 0.05 * i / endComments.size());
        PsiComment comment = endComments.get(i);
        changed |= tryConvertEndOfLineComment(comment);
      }
      if (changed) {
        myManager.doPostponedOperationsAndUnblockDocument(myDoc);
      }
    }
private void convertEndComments(int lineCount)