IntentionPreviewInfo (@NotNull Project project, @NotNull ProblemDescriptor previewDescriptor) { PsiElement elementToRefactor = getElementToRefactor(previewDescriptor.getPsiElement()); if (elementToRefactor instanceof PsiClass aClass) { String className = aClass.getName(); return new IntentionPreviewInfo.Html( JavaRefactoringBundle.message("move.class.to.new.file.or.make.inner.class.preview", className)); } return IntentionPreviewInfo.EMPTY; }