public function getVectorClock()
    {
        if ($this->values->isEmpty()) {
            return;
        }

        $first  = $this->values->first();
        $vclock = $first->getVClock();

        return $vclock;
    }
public function getVectorClock()
    {
        if ($this->values->isEmpty()) {
            return;
        }

        $first  = $this->values->first();
        $vclock = $first->getVClock();

        return $vclock;
    }
public function getVectorClock ( ) { if ( $ this -> values -> isEmpty ( ) ) { return ; } $ first = $ this -> values -> first ( ) ; $ vclock = $ first -> getVClock ( ) ; return $ vclock ; }
Get the vector clock returned with this response.

@return \Riak\Client\Core\Query\VClock
Get the vector clock returned with this response .