code: public Task stampAllRulesWithUuid_Task() throws RuntimeFault, RemoteException {
          ManagedObjectReference taskMor = getVimService().stampAllRulesWithUuid_Task(getMOR());
          return new Task(getServerConnection(), taskMor);
      }
docs: Stamp all rules in the cluster with ruleUuid. If a rule has ruleUuid field set, and it has a value, leave it
  untouched. If rule's ruleUuid field is unset, generate a UUID and stamp the rule.
  
  @return Task
  @throws RuntimeFault
  @throws RemoteException
  @since 6.0