@Nullable
  public static String getIndentInsideJavadoc(@NotNull Document document, int offset) {
    CharSequence text = document.getCharsSequence();
    if (offset >= text.length()) {
      return null;
    }
    int line = document.getLineNumber(offset);
    int lineStartOffset = document.getLineStartOffset(line);
    int lineEndOffset = document.getLineEndOffset(line);
    int i = CharArrayUtil.shiftForward(text, lineStartOffset, " \t");
    if (i > lineEndOffset || text.charAt(i) != '*') {
      return null;
    }

    int start = i + 1;
    int end = CharArrayUtil.shiftForward(text, start, " \t");
    end = Math.min(end, lineEndOffset);
    return end > start ? text.subSequence(start, end).toString() : "";
  }
@Nullable
  public static String getIndentInsideJavadoc(@NotNull Document document, int offset)