@Override
    public int compareTo(@NotNull FileTypeAssociationForm.MyFileTypeItem item) {
      if (mySuperType != item.mySuperType) {
        String d1 = mySuperType != null ? mySuperType.getDescription() : myFileType.getDescription();
        String d2 = item.mySuperType != null ? item.mySuperType.getDescription() : item.myFileType.getDescription();
        return d1.compareTo(d2);
      }
      int subtypePriority = Boolean.compare(isMainSubtype(), item.isMainSubtype());
      if (subtypePriority != 0) return -subtypePriority;
      return myFileType.getDescription().compareTo(item.myFileType.getDescription());
    }
@Override
    public int compareTo(@NotNull FileTypeAssociationForm.MyFileTypeItem item)