@class NSMutableDictionary, CADisplayLink, NSMutableSet, _UIHIDEventSynchronizer, NSMutableArray;
@protocol UIEventFetcherSink;
@interface UIEventFetcher : NSObject {
NSMutableArray *_incomingHIDEventsFiltered;
struct __CFRunLoop { } *_cfRunLoop;
id /* block */ _receiveBlock;
id /* block */ _addToFilteredEventsBlock;
id /* block */ _gameControllerEventFilterGenerator;
id /* block */ _passiveObservationFilterGenerator;
id /* block */ _watchSystemAppFilter;
NSMutableArray *_eventFilters;
int _displayLinkIdleTicks;
CADisplayLink *_displayLink;
long long _countOfEventsReceivedSinceLastDisplayLinkCallback;
long long _countOfEventsReceivedInPreviousFrame;
BOOL _didSignalOneMoveEventSinceLastDisplayLinkCallback;
double _lastImportantEventTimestamp;
double _lastSignalTimestamp;
double _lastSignalEventTimestamp;
double _lastFilteredEventTimestamp;
double _estimatedDisplayLinkDrift;
long long _lastSignalType;
unsigned long long _lastSignalReason;
BOOL _needsSignalOnDisplayLink;
double _commitTimeForTouchEvents;
double _beginTimeForTouchEvents;
double _deadlineTimeForTouchEvents;
NSMutableDictionary *_latestMoveDragEventsBySessionID;
double _latestMoveDragEventTimestamp;
double _latestMoveDragEventResendTimestamp;
struct __CFRunLoopTimer { } *_resendDragEventsTimer;
NSMutableSet *_contextIDsNeedingHoverEventResend;
NSMutableDictionary *_latestHoverEventsByContextID;
_UIHIDEventSynchronizer *_synchronizer;
id<UIEventFetcherSink> _eventFetcherSink;
}
- (id)init;
- (void)displayLinkDidFire:(id)a0;
- (void).cxx_destruct;
- (void)_receiveHIDEvent:(struct __IOHIDEvent { } *)a0;
- (void)resendDragMoveEventsOnTimer:(struct __CFRunLoopTimer { } *)a0 withInterval:(double)a1;
- (void)threadMain;
@end