log.debug(prefix() + "send " + msg.getMessageType() + " to "
+ msg.getTo() + " waiting for " + Arrays.toString(awaitFor));
PacketFilter filter = new SXEPacketFilter(msg.getSession(),
msg.getTo(), awaitFor);
SarosPacketCollector collector = transmitter.installReceiver(filter);
sendWithoutDispatch(msg);
// receiving automatically removes collector
Packet packet = transmitter.receive(monitor, collector,