@class MPMusicPlayerControllerApplicationQueueModifications, NSMutableDictionary, NSMutableArray; @interface MPMusicPlayerControllerMutableQueue : MPMusicPlayerControllerQueue @property (retain, nonatomic) NSMutableDictionary *insertedDescriptors; @property (retain, nonatomic) NSMutableArray *removedItems; @property (readonly, nonatomic) MPMusicPlayerControllerApplicationQueueModifications *modifications; - (void)removeItem:(id)a0; - (id)initWithController:(id)a0; - (void).cxx_destruct; - (void)_insertQueueDescriptor:(id)a0 afterItemWithIdentifier:(id)a1; - (void)_removeItemWithIdentifier:(id)a0; - (void)insertQueueDescriptor:(id)a0 afterItem:(id)a1; @end