if (!(this.listenMaster instanceof TerminationConduit)) {
throw new IllegalStateException("can't do termination conduit trick");
}
final TerminationConduit termConduit =
(TerminationConduit)this.listenMaster;
// Launch one explicit query per workspace, sends state changes and
// terminations to the same conduit that the WS listener does. This
// works since the listen master's implementation is keyed off the