@Override
    public void invoke(@NotNull Project project, @NotNull Editor editor, @NotNull PsiFile file) {
      EmacsProcessingHandler emacsProcessingHandler = LanguageEmacsExtension.INSTANCE.forLanguage(file.getLanguage());
      if (emacsProcessingHandler != null) {
        EmacsProcessingHandler.Result result = emacsProcessingHandler.changeIndent(project, editor, file);
        if (result == EmacsProcessingHandler.Result.STOP) {
          return;
        }
      }

      Document document = editor.getDocument();
      int startLine = document.getLineNumber(editor.getSelectionModel().getSelectionStart());
      int endLine = document.getLineNumber(editor.getSelectionModel().getSelectionEnd());
      for (int line = startLine; line <= endLine; line++) {
        int lineStart = document.getLineStartOffset(line);
        CodeStyleManager codeStyleManager = CodeStyleManager.getInstance(project);
        int newPos = codeStyleManager.adjustLineIndent(file, lineStart);
        if (startLine == endLine && editor.getCaretModel().getOffset() < newPos) {
          editor.getCaretModel().moveToOffset(newPos);
          editor.getSelectionModel().removeSelection();
          editor.getScrollingModel().scrollToCaret(ScrollType.RELATIVE);
        }
      }
    }
@Override
    public void invoke(@NotNull Project project, @NotNull Editor editor, @NotNull PsiFile file)