struct empty_test1;
struct empty_test2;
struct empty_test3;
+struct empty_test_with_overlapping_content;
struct player_subframe_test;
class Empty
friend struct ::empty_test1;
friend struct ::empty_test2;
friend struct ::empty_test3;
+ friend struct ::empty_test_with_overlapping_content;
friend struct ::player_subframe_test;
std::list<dcpomatic::DCPTimePeriod> _periods;