public void addLocalAndRemoteSession(LocalSession session) {
        addLocalSession(session);
        long sessionId = session.getSessionId();
        if (remoteSessionCache.get(sessionId) == null)
            createRemoteSession(sessionId);
    }
Session repository for a tenant. Stores session state in zookeeper and file system. There are two
different session types (RemoteSession and LocalSession).

@author Ulf Lilleengen
@author hmusum
configserver/src/main/java/com/yahoo/vespa/config/server/session/SessionRepository.java