public void updateDurableTimeout(int newValue) {
    InternalDistributedMember member = (InternalDistributedMember) getDistributedMember();
    member.setDurableTimeout(newValue);
  }
Used to update the timeout when a durable client comes back to a server
geode-core/src/main/java/org/apache/geode/internal/cache/tier/sockets/ClientProxyMembershipID.java