public void invoke(
     @NotNull Project project, Editor editor, PsiFile file, DataContext dataContext) {
   final IntroduceOperation operation = new IntroduceOperation(project, editor, file, null);
   operation.addAvailableInitPlace(InitPlace.CONSTRUCTOR);
   if (isTestClass(file, editor)) {
     operation.addAvailableInitPlace(InitPlace.SET_UP);
   }
   performAction(operation);
 }