@class NSString, NSMutableArray, NSData; @interface OSActivityEventMessage : OSActivityEvent { NSData *_bufferPrivateData; NSData *_bufferData; } @property (readonly, nonatomic) NSMutableArray *arguments; @property (readonly, copy) NSString *format; - (void).cxx_destruct; - (void)fillEventData:(const char *)a0 length:(unsigned long long)a1 privateBuffer:(const char *)a2 length:(unsigned long long)a3; @end