@class NSArray, _TtC23SiriInvocationAnalytics15StreamsBookmark, NSError; @interface SiriInvocationAnalytics.ConversationStream : NSObject - (id)init; - (void)streamConversationsWithBookmark:(_TtC23SiriInvocationAnalytics15StreamsBookmark *)a0 completionHandler:(void (^)(NSArray *, NSError *))a1; @end