@Override
        public String toString() {
            return "SourceSessionKey{" + "timeout=" + timeout + ", policy=" + policy + '}';
        }
Class to encapsulate access to slobrok sessions.

@author Steinar Knutsen
@author Einar Rosenvinge
container-messagebus/src/main/java/com/yahoo/container/jdisc/messagebus/SessionCache.java