@NotNull
    private List<WorkingCopyFormat> loadSupportedFormats() {
      List<WorkingCopyFormat> result = new ArrayList<>();

      try {
        result.addAll(myVcs.getFactoryFromSettings().createCheckoutClient().getSupportedFormats());
      }
      catch (VcsException e) {
        error.set(e.getMessage());
      }

      return result;
    }
@NotNull
    private List<WorkingCopyFormat> loadSupportedFormats()