272     using IntRef = std::reference_wrapper<int>;  in TEST()  typedef
273     Variant<IntRef> v;  in TEST()
277     ASSERT_TRUE(v.is<IntRef>());  in TEST()
278     EXPECT_EQ(a, std::get<IntRef>(v));  in TEST()
281     EXPECT_EQ(a, std::get<IntRef>(v));  in TEST()
415     using IntRef = std::reference_wrapper<int>;  in TEST()  typedef
417     Variant<IntRef> v(a);  in TEST()
418     TestType<IntRef> t(a);  in TEST()
420     ASSERT_TRUE(v.is<IntRef>());  in TEST()
421     EXPECT_EQ(a, std::get<IntRef>(v));  in TEST()
425     EXPECT_EQ(a, std::get<IntRef>(v));  in TEST()