private void updatePreviousFindModel(@NotNull FindModel model) {
    FindModel prev = FindManager.getInstance(getProject()).getPreviousFindModel();
    if (prev == null) {
      prev = new FindModel();
    }
    if (!model.getStringToFind().isEmpty()) {
      prev.copyFrom(model);
      FindManager.getInstance(getProject()).setPreviousFindModel(prev);
    }
  }
private void updatePreviousFindModel(@NotNull FindModel model)