private boolean hasStatusDeleted(long sessionId) {
        SessionZooKeeperClient sessionZKClient = createSessionZooKeeperClient(sessionId);
        RemoteSession session = new RemoteSession(tenantName, sessionId, sessionZKClient);
        return session.getStatus() == Session.Status.DELETE;
    }
A session for which we don't have a watcher, i.e. hitherto unknown to us.

@param sessionId session id for the new session
configserver/src/main/java/com/yahoo/vespa/config/server/session/SessionRepository.java