         messageSocket = socket
     }
 
-    func resetGoBack() {
-        earliestChatDate = .distantFuture
-        chatGoBackCount = 0
-        chatCountInThreadRequest = 0
-        goBackChats.removeAll()
+    func resetTimeShiftVariables() {
+        earliestTimeShiftChatDate = .distantFuture
+        timeShiftThreadRequestCount = 0
+        timeShiftChatCountIn1ThreadRequest = 0
+        timeShiftChats.removeAll()
     }
 
     // swiftlint:disable function_parameter_count function_body_length
     func handleMessageSocketEventForTimeShift(socket: WebSocket, event: WebSocketEvent, userId: String, threadId: String, threadKey: String, completion: (Result<Void, NicoError>) -> Void) {
-        log.debug(event)
+        // log.debug(event)
         switch event {
         case .connected:
             completion(Result.success(()))

    }
}

// MARK: - Private Methods (Message Socket, TimeShifted)
private extension NicoManager {
    func openTimeShiftMessageSocket(userId: String, room: WebSocketRoomData, connectContext: NicoConnectContext, completion: @escaping (Result<Void, NicoError>) -> Void) {

                    userId: userId,
                    threadId: threadId,
                    resFrom: -200,
                    when: earliestTimeShiftChatDate)
                timeShiftThreadRequestCount += 1
            case .unknown:
                break
            }
