@class NSString, NSArray, PHFetchResult, NSHashTable, PHPhotoLibrary, NSObject, PHUserFeedbackCalculator; @protocol OS_dispatch_queue, OS_os_log; @interface PXPassiveContentPeoplePickerDataSourceBase : NSObject <PHPhotoLibraryChangeObserver> @property (readonly, nonatomic) NSHashTable *changeObservers; @property (retain) NSArray *vipPersons; @property (retain) NSArray *nonVIPPersons; @property (retain, nonatomic) PHFetchResult *peopleSuggestions; @property (retain, nonatomic) PHFetchResult *vipPersonsFetchResult; @property (retain, nonatomic) PHFetchResult *nonVIPPersonsFetchResult; @property (readonly, nonatomic) PHPhotoLibrary *photoLibrary; @property (readonly, nonatomic) NSObject<OS_dispatch_queue> *workQueue; @property (readonly, nonatomic) NSObject<OS_os_log> *log; @property (readonly, nonatomic) PHUserFeedbackCalculator *userFeedbackCalculator; @property (readonly) unsigned long long hash; @property (readonly) Class superclass; @property (readonly, copy) NSString *description; @property (readonly, copy) NSString *debugDescription; - (void)addChangeObserver:(id)a0; - (void)removeChangeObserver:(id)a0; - (void)photoLibraryDidChange:(id)a0; - (id)initWithPhotoLibrary:(id)a0; - (void).cxx_destruct; - (void)_fetchPeople; - (void)_fetchPeopleWallpaperSuggestions; - (void)computeAndCachePersonsWithPersonLocalIdentifierWithNegativeFeedback:(id)a0; - (void)notifyChanges; - (id)peopleSuggestionSubtypes; - (void)startBackgroundFetch; @end