@Override
      protected void customizeCellRenderer(@NotNull JList list, @Nls String value, int index, boolean selected, boolean hasFocus) {
        if (index == 0) {
          append(value, SimpleTextAttributes.REGULAR_BOLD_ATTRIBUTES);
        }
        else if (value.length() == 0) {
          append(VcsBundle.message("committed.changes.filter.none"), SimpleTextAttributes.GRAYED_ATTRIBUTES);
        }
        else {
          append(value, SimpleTextAttributes.REGULAR_ATTRIBUTES);
        }
      }
@Override
      protected void customizeCellRenderer(@NotNull JList list, @Nls String value, int index, boolean selected, boolean hasFocus)