@class NSString, MPModelLibraryRequest, MPMediaLibraryEntityTranslationContext; @interface MPModelLibraryModelSectionedCollectionDataSource : NSObject { MPMediaLibraryEntityTranslationContext *_itemTranslationContext; MPMediaLibraryEntityTranslationContext *_sectionTranslationContext; struct vector> { long long *__begin_; long long *__end_; struct __compressed_pair> { long long *__value_; } __end_cap_; } _allowedSectionPersistentIDs; struct map, std::allocator>> { struct __tree, std::__map_value_compare, std::less>, std::allocator>> { void *__begin_node_; struct __compressed_pair *>, std::allocator, void *>>> { struct __tree_end_node *> { void *__left_; } __value_; } __pair1_; struct __compressed_pair, std::less>> { unsigned long long __value_; } __pair3_; } __tree_; } _allowedSectionPersistentIDToSectionQueryResultsIndexMap; } @property (readonly, nonatomic) struct shared_ptr>> { void *__ptr_; struct __shared_weak_count *__cntrl_; } itemEntityQueryResults; @property (readonly, nonatomic) struct shared_ptr { struct EntityQueryResult *__ptr_; struct __shared_weak_count *__cntrl_; } sectionEntityQueryResult; @property (readonly, nonatomic) MPModelLibraryRequest *request; @property (readonly) unsigned long long hash; @property (readonly) Class superclass; @property (readonly, copy) NSString *description; @property (readonly, copy) NSString *debugDescription; - (id)initWithRequest:(id)a0 sectionQueryResults:(struct shared_ptr { struct EntityQueryResult *x0; struct __shared_weak_count *x1; })a1 itemQueryResults:(void *)a2; - (void)_populateIndexMap; - (id)identifiersForSectionAtIndex:(long long)a0; - (id).cxx_construct; - (unsigned long long)_adjustedIndexForSectionIndex:(long long)a0; - (unsigned long long)numberOfItemsInSection:(unsigned long long)a0; - (id)itemAtIndexPath:(id)a0; - (unsigned long long)numberOfSections; - (id)sectionAtIndex:(unsigned long long)a0; - (void).cxx_destruct; - (id)indexPathForItemWithIdentifiersIntersectingSet:(id)a0; - (BOOL)_allowedEntityIdentifiersContainsAllPersistentIDs; - (BOOL)hasSameContentAsDataSource:(id)a0; - (id)identifiersForItemAtIndexPath:(id)a0; @end