@interface _TtCC7Message28BackFillMessageBodySchedulerP33_8C94728D29B9D9CACC7F5FFB5564322B8Activity : _TtCs12_SwiftObject {
void /* unknown type, empty encoding */ scheduler;
void /* unknown type, empty encoding */ underlying;
void /* unknown type, empty encoding */ running;
void /* unknown type, empty encoding */ timer;
void /* unknown type, empty encoding */ didComplete;
void /* unknown type, empty encoding */ didDeferWork;
void /* unknown type, empty encoding */ startDate;
void /* unknown type, empty encoding */ id;
void /* unknown type, empty encoding */ queue;
}
@end