+class FixedBacklogRequester : public BacklogRequester
+{
+public:
+ FixedBacklogRequester(ClientBacklogManager* backlogManager);
+ void requestBacklog(const BufferIdList& bufferIds) override;
+
+private:
+ int _backlogCount;
+};
+
+// ========================================
+// GLOBAL UNREAD BACKLOG REQUESTER
+// ========================================
+class GlobalUnreadBacklogRequester : public BacklogRequester
+{