@Override
  protected void invoke(@NotNull ActionContext context, @NotNull PsiElement element, @NotNull ModPsiUpdater updater) {
    final BaseConvertToFStringProcessor processor = findSuitableProcessor(element);
    assert processor != null;
    processor.doRefactoring();
  }
@Override
  protected void invoke(@NotNull ActionContext context, @NotNull PsiElement element, @NotNull ModPsiUpdater updater)