@interface MediaPlaybackCore.PlayerObserver : _TtCs12_SwiftObject {
void /* unknown type, empty encoding */ $__lazy_storage_$_eventStream;
void /* unknown type, empty encoding */ player;
void /* unknown type, empty encoding */ queue;
void /* unknown type, empty encoding */ reporter;
void /* unknown type, empty encoding */ configuration;
void /* unknown type, empty encoding */ observations;
void /* unknown type, empty encoding */ firstFrameMonitoredItem;
void /* unknown type, empty encoding */ firstFrameMonitoredItemStartTime;
void /* unknown type, empty encoding */ firstFrameMonitoringIsActive;
}
@end