@class NSString, NSDictionary; @interface _GCHIDEventSubject : NSObject <_GCHIDEventSource> { struct os_unfair_lock_s { unsigned int _os_unfair_lock_opaque; } _lock; NSDictionary *_handlersByService; _Atomic BOOL _stopped; } @property (getter=isStopped) BOOL stopped; @property (readonly) unsigned long long hash; @property (readonly) Class superclass; @property (readonly, copy) NSString *description; @property (readonly, copy) NSString *debugDescription; - (id)init; - (id)observeHIDEvents:(id /* block */)a0; - (id)observeHIDEvents:(id /* block */)a0 forService:(id)a1; - (void).cxx_destruct; - (void)publishHIDEvent:(struct __IOHIDEvent { } *)a0; @end