+// ========================================
+// PER BUFFER UNREAD BACKLOG REQUESTER
+// ========================================
+class PerBufferUnreadBacklogRequester : public BacklogRequester {
+public:
+ PerBufferUnreadBacklogRequester(ClientBacklogManager *backlogManager);
+ virtual void requestBacklog();
+
+private:
+ int _limit;
+ int _additional;
+};