@Nullable
  public static PsiClass getClassType(GrExpression expr) {
    final PsiType type = expr.getType();
    if (type instanceof PsiClassType classType) {
      return classType.resolve();
    } else {
      final String text = type.getPresentableText();
      final Project project = expr.getProject();
      final JavaPsiFacade facade = JavaPsiFacade.getInstance(project);
      return facade.findClass(text, GlobalSearchScope.allScope(project));
    }
  }
@Nullable
  public static PsiClass getClassType(GrExpression expr)