@class COMessageChannel, NSMutableDictionary, NSString, NSObject; @protocol OS_dispatch_queue, COMessageSessionProducerDelegate; @interface COMessageSessionProducer : NSObject @property (readonly, weak, nonatomic) COMessageChannel *messageChannel; @property (readonly, copy, nonatomic) NSObject<OS_dispatch_queue> *delegateQueue; @property (readonly, weak, nonatomic) id<COMessageSessionProducerDelegate> delegate; @property (retain, nonatomic) NSMutableDictionary *sessions; @property (readonly, copy, nonatomic) NSString *subTopic; - (id)description; - (void).cxx_destruct; - (id)initWithChannel:(id)a0 subTopic:(id)a1 delegate:(id)a2 dispatchQueue:(id)a3; - (void)startSessionWithMembers:(id)a0; @end