@class MPMediaItem, MPMediaQuery, MPMediaItemCollection; @interface MPMusicPlayerMediaItemQueueDescriptor : MPMusicPlayerQueueDescriptor { MPMediaQuery *_query; MPMediaItemCollection *_itemCollection; } @property (readonly, copy, nonatomic) MPMediaQuery *query; @property (readonly, nonatomic) MPMediaItemCollection *itemCollection; @property (retain, nonatomic) MPMediaItem *startItem; + (BOOL)supportsSecureCoding; - (id)initWithQuery:(id)a0; - (void)encodeWithCoder:(id)a0; - (void).cxx_destruct; - (BOOL)isEqual:(id)a0; - (id)initWithCoder:(id)a0; - (id)copyWithZone:(struct _NSZone { } *)a0; - (BOOL)isEmpty; - (id)initWithItemCollection:(id)a0; - (void)setEndTime:(double)a0 forItem:(id)a1; - (void)setStartTime:(double)a0 forItem:(id)a1; @end