@class NSObject, MTEnvironment, MTEventRecorder; @protocol OS_dispatch_queue, MTEventFilter; @interface MTSystem : MTObject @property (retain, nonatomic) MTEnvironment *environment; @property (retain, nonatomic) MTEventRecorder *eventRecorder; @property (retain, nonatomic) id<MTEventFilter> eventFilter; @property (retain, nonatomic) id<MTEventFilter> treatmentFilter; @property (retain, nonatomic) NSObject<OS_dispatch_queue> *queue; - (void).cxx_destruct; - (id)initWithMetricsKit:(id)a0; - (void)setEventFilterWithJavaScriptFunction:(id)a0 context:(id)a1 operationQueue:(id)a2; @end