private function visitRulesetRoot( $rulesetNode ){
		$rulesetNode->accept( $this );
		if( $rulesetNode->firstRoot || $rulesetNode->rules ){
			return $rulesetNode;
		}
		return array();
	}
private function visitRulesetRoot( $rulesetNode ){
		$rulesetNode->accept( $this );
		if( $rulesetNode->firstRoot || $rulesetNode->rules ){
			return $rulesetNode;
		}
		return array();
	}
private function visitRulesetRoot ( $ rulesetNode ) { $ rulesetNode -> accept ( $ this ) ; if ( $ rulesetNode -> firstRoot || $ rulesetNode -> rules ) { return $ rulesetNode ; } return array ( ) ; }
Helper function for visitiRuleset

return array|Less_Tree_Ruleset
Helper function for visitiRuleset