@Nullable
  static PsiClassType getBoxedType(PsiMethodCallExpression call) {
    PsiMethod method = call.resolveMethod();
    if (method == null) return null;
    PsiClass aClass = method.getContainingClass();
    if (aClass == null) return null;
    return JavaPsiFacade.getElementFactory(call.getProject()).createType(aClass);
  }
@Nullable
  static PsiClassType getBoxedType(PsiMethodCallExpression call)