@Nullable
  private static RefactoringActionHandler getHandler(@NotNull PsiElement element) {
    PsiFile file = element.getContainingFile();
    if (file == null) return null;
    return LanguageExtractInclude.INSTANCE.forLanguage(file.getViewProvider().getBaseLanguage());
  }
@Nullable
  private static RefactoringActionHandler getHandler(@NotNull PsiElement element)