virtual QVariantList requestBacklog(BufferId bufferId, MsgId first = -1, MsgId last = -1, int limit = -1, int additional = 0);
virtual QVariantList requestBacklogFiltered(
BufferId bufferId, MsgId first = -1, MsgId last = -1, int limit = -1, int additional = 0, int type = -1, int flags = -1);
virtual QVariantList requestBacklog(BufferId bufferId, MsgId first = -1, MsgId last = -1, int limit = -1, int additional = 0);
virtual QVariantList requestBacklogFiltered(
BufferId bufferId, MsgId first = -1, MsgId last = -1, int limit = -1, int additional = 0, int type = -1, int flags = -1);