void (@NotNull Project project, Editor editor, PsiFile file, DataContext dataContext) { editor.getScrollingModel().scrollToCaret(ScrollType.MAKE_VISIBLE); List<PsiElement> elements = CommonRefactoringUtil.findElementsFromCaretsAndSelections(editor, file, null, e -> e instanceof PsiField field && field.getContainingClass() != null || e instanceof PsiClass); if (elements.isEmpty()) { String message = RefactoringBundle.getCannotRefactorMessage(RefactoringBundle.message("error.wrong.caret.position.class")); CommonRefactoringUtil.showErrorHint(project, editor, message, getRefactoringName(), HelpID.ENCAPSULATE_FIELDS); return; } invoke(project, elements.toArray(PsiElement.EMPTY_ARRAY), dataContext); }