@interface _TtC8SPSharedP33_A1F6AB55F9BFA26527C1C12C0252530F17CancellationToken : _TtCs12_SwiftObject {
void /* unknown type, empty encoding */ _isCanceled;
void /* unknown type, empty encoding */ _cancellationBlocks;
void /* unknown type, empty encoding */ accessQueue;
}
@end