boolean (@Nullable PsiElement element, @NotNull Editor editor, @NotNull PsiFile file) { final PsiElement nameSuggestionContext = file.findElementAt(editor.getCaretModel().getOffset()); if (element == null || !element.isValid()) return false; RefactoringSupportProvider supportProvider = LanguageRefactoringSupport.INSTANCE.forContext(element); return supportProvider != null && editor.getSettings().isVariableInplaceRenameEnabled() && supportProvider.isInplaceRenameAvailable(element, nameSuggestionContext); }