public function getFeedRuleSet() : RuleSet
    {
        if (is_null($this->feedRuleSet)) {
            $this->feedRuleSet = $this->buildFeedRuleSet();
        }

        return $this->feedRuleSet;
    }
public function getFeedRuleSet() : RuleSet
    {
        if (is_null($this->feedRuleSet)) {
            $this->feedRuleSet = $this->buildFeedRuleSet();
        }

        return $this->feedRuleSet;
    }
public function getFeedRuleSet ( ) : RuleSet { if ( is_null ( $ this -> feedRuleSet ) ) { $ this -> feedRuleSet = $ this -> buildFeedRuleSet ( ) ; } return $ this -> feedRuleSet ; }
Returns the RuleSet used to parse the feed's main node
@return \FeedIo\RuleSet
Returns the RuleSet used to parse the feed s main node