@class NSSet; @protocol OSADiagnosticWriteObserver; @interface WriteObserver : NSObject @property (readonly, weak, nonatomic) id<OSADiagnosticWriteObserver> observer; @property (readonly, nonatomic) NSSet *bugTypes; - (void).cxx_destruct; - (BOOL)matches:(id)a0; - (void)deliverDidWrite:(id)a0 on:(id)a1; - (void)deliverWillWrite:(id)a0 on:(id)a1; - (id)initWithObserver:(id)a0 bugTypes:(id)a1; @end