@class FIUIState, NSString, NSMutableSet, NSObject, NSMutableArray; @protocol OS_dispatch_queue; @interface FIUIStateMachine : NSObject { NSObject<OS_dispatch_queue> *_queue; NSMutableSet *_states; FIUIState *_state; FIUIState *_initialState; BOOL _handlingEvent; NSMutableArray *_pendingEvents; NSString *_queueKey; NSMutableArray *_transitionalEvents; NSMutableSet *_parentStates; } @property long long pendingEvent; @property (retain, nonatomic) NSString *label; @property (copy) id /* block */ errorHandler; @property (copy) id /* block */ diagnosticHandler; @property (copy) id /* block */ transitionalEventFilter; - (void)addState:(id)a0; - (void)dealloc; - (id)state; - (id)description; - (void).cxx_destruct; - (id)queue; - (id)graphDescription; - (void)event:(long long)a0; - (void)addStates:(id)a0; - (void)_queue_setInitialStateIfNeeded:(id)a0; - (void)_queue_handleEvents; - (void)_queue_processEvent:(long long)a0; - (void)addChildStates:(id)a0 toState:(id)a1 withEntryState:(id)a2; - (void)eventAsync:(long long)a0; - (void)export; - (id)initWithLabel:(id)a0 queue:(id)a1; @end