@class PXImportAssetsDataSource, NSString, NSObject, PXImportController, NSMutableArray, PXImportAssetsDataSourceManager; @protocol OS_dispatch_queue; @interface PXImportMediaLoadingCoordinator : PXObservable <PXImportAssetsDataSourceManagerObserver> { NSObject<OS_dispatch_queue> *_modelQueue; NSObject<OS_dispatch_queue> *_workerQueue; } @property (readonly, weak, nonatomic) PXImportController *importController; @property (readonly, nonatomic) PXImportAssetsDataSourceManager *dataSourceManager; @property (retain, nonatomic) NSMutableArray *thumbnailWorkItemUuids; @property (retain, nonatomic) PXImportAssetsDataSource *dataSource; @property (nonatomic) long long completedDataSourceIdentifier; @property (nonatomic, setter=setPaused:) BOOL paused; @property (readonly) unsigned long long hash; @property (readonly) Class superclass; @property (readonly, copy) NSString *description; @property (readonly, copy) NSString *debugDescription; - (void)shutdown; - (void)observable:(id)a0 didChange:(unsigned long long)a1 context:(void *)a2; - (void).cxx_destruct; - (void)_processItemIfPossible; - (id)dequeueNextThumbnailWorkItem; - (void)handleNewDataSource:(id)a0; - (id)initWithImportController:(id)a0; - (void)mediaProviderThumbnailingBecameIdle:(id)a0; @end