@interface _TtCC14CopresenceCore11PubSubTopic8SendItem : _TtCs12_SwiftObject {
void /* unknown type, empty encoding */ data;
void /* unknown type, empty encoding */ toParticipantIDs;
void /* unknown type, empty encoding */ seqNum;
void /* unknown type, empty encoding */ previousSeqNumUnacked;
void /* unknown type, empty encoding */ publishedAt;
}
@end