public function setOptions($mode = null, $logicalOperator = null, array $linkedFilters = [])
    {
        $this->mode = is_null($mode) ? Filter::MODE_INCLUDE : $mode;
        $this->logicalOperator = is_null($logicalOperator) ? Filter::MERGE_OR : $logicalOperator;
        $this->linkedFilters = $linkedFilters;
        return $this;
    }