QSet<BufferId>::const_iterator bufferIdIter = _validBuffers.constBegin();
while (bufferIdIter != _validBuffers.constEnd()) {
Client::messageModel()->requestBacklog(*bufferIdIter);
QSet<BufferId>::const_iterator bufferIdIter = _validBuffers.constBegin();
while (bufferIdIter != _validBuffers.constEnd()) {
Client::messageModel()->requestBacklog(*bufferIdIter);