private Indent computeMinIndent(
     int line1,
     int line2,
     CharSequence chars,
     CodeStyleManager codeStyleManager,
     FileType fileType) {
   Indent minIndent = CommentUtil.getMinLineIndent(myProject, myDocument, line1, line2, fileType);
   if (line1 > 0) {
     int commentOffset = getCommentStart(line1 - 1);
     if (commentOffset >= 0) {
       int lineStart = myDocument.getLineStartOffset(line1 - 1);
       String space = chars.subSequence(lineStart, commentOffset).toString();
       Indent indent = codeStyleManager.getIndent(space, fileType);
       minIndent = minIndent != null ? indent.min(minIndent) : indent;
     }
   }
   if (minIndent == null) {
     minIndent = codeStyleManager.zeroIndent();
   }
   return minIndent;
 }