@class JEMediaActivity, NSString, JEMediaTimeTracker, NSObject, NSMutableArray; @protocol JEMediaPlaylist; @interface JEMediaActivityTracker : NSObject @property (retain, nonatomic) NSObject *pipeline; @property (retain, nonatomic) id<JEMediaPlaylist> playlist; @property (retain, nonatomic) JEMediaActivity *playActivity; @property (retain, nonatomic) JEMediaActivity *seekActivity; @property (retain, nonatomic) NSString *topic; @property (retain, nonatomic) NSMutableArray *eventData; @property (retain, nonatomic) JEMediaTimeTracker *timeTracker; @property (nonatomic) BOOL shouldGenerateTransitions; + (id /* block */)playlistItemComparator; - (void).cxx_destruct; - (void)resetEventData:(id)a0; - (id)combineEventData:(id)a0 withPlaylistDataForItem:(id)a1; - (void)generatePlaylistTransitionsIfNecessary:(unsigned long long)a0; - (id)initWithPipeline:(id)a0 playlist:(id)a1 eventData:(id)a2 topic:(id)a3; - (void)playStartedAtOverallPosition:(unsigned long long)a0 type:(id)a1 reason:(id)a2 eventData:(id)a3; - (void)playStartedWithPlaybackRate:(float)a0 overallPosition:(unsigned long long)a1 type:(id)a2 reason:(id)a3 eventData:(id)a4; - (void)playStoppedAtOverallPosition:(unsigned long long)a0 type:(id)a1 reason:(id)a2 eventData:(id)a3; - (void)playTransitionedAtOverallPosition:(unsigned long long)a0 eventData:(id)a1; - (void)seekStartedAtOverallPosition:(unsigned long long)a0 type:(id)a1 reason:(id)a2 eventData:(id)a3; - (void)seekStoppedAtOverallPosition:(unsigned long long)a0 type:(id)a1 reason:(id)a2 eventData:(id)a3; - (id)startActivity:(long long)a0 overallPosition:(unsigned long long)a1 type:(id)a2 reason:(id)a3 eventData:(id)a4 transitioningEventData:(id)a5; - (void)stopActivity:(long long)a0 overallPosition:(unsigned long long)a1 type:(id)a2 reason:(id)a3 eventData:(id)a4 transitioningEventData:(id)a5; - (void)synchronizeAtOverallPosition:(unsigned long long)a0; - (void)synchronizePlaybackRate:(float)a0 overallPosition:(unsigned long long)a1; - (void)updateEventData:(id)a0; @end