@class MPMediaLibraryArtworkDataSource, MPMediaLibraryArtworkRequest; @interface MPMediaChapter : NSObject @property (retain, nonatomic) id value; @property (copy, nonatomic) id /* block */ valueLoader; @property (nonatomic) long long chapterType; @property (nonatomic) double playbackTime; @property (nonatomic) double playbackDuration; @property (nonatomic) unsigned long long indexInChaptersWithSameType; @property (nonatomic) unsigned long long indexInChaptersWithAnyType; @property (retain, nonatomic) MPMediaLibraryArtworkRequest *artworkRequest; @property (weak, nonatomic) MPMediaLibraryArtworkDataSource *artworkDataSource; - (void)encodeWithCoder:(id)a0; - (id)description; - (void).cxx_destruct; - (id)title; - (double)duration; - (id)initWithCoder:(id)a0; - (long long)_sortByChapterIndex:(id)a0; - (id)artworkCatalog; @end