@class NSString, BLSFrameSpecifierModel; @protocol BLSBacklightSceneEnvironment; @interface BLSAlwaysOnSession : NSObject <BSInvalidatable> @property (retain) BLSFrameSpecifierModel *model; @property (readonly, weak) id<BLSBacklightSceneEnvironment> environment; @property (readonly) unsigned long long hash; @property (readonly) Class superclass; @property (readonly, copy) NSString *description; @property (readonly, copy) NSString *debugDescription; - (id)initWithEnvironment:(id)a0; - (void)invalidate; - (void).cxx_destruct; - (void)desiredFidelityForDateInterval:(id)a0 timelines:(id)a1 withCompletion:(id /* block */)a2; - (void)performFrameSpecifiersRequest:(id)a0 timelines:(id)a1; - (id)specifierForPresentationDate:(id)a0; @end