66     public function translateChecked(XPathExpr $xpath): XPathExpr  argument
68         return $xpath->addCondition(
75     public function translateLink(XPathExpr $xpath): XPathExpr  argument
77 …  return $xpath->addCondition("@href and (name(.) = 'a' or name(.) = 'link' or name(.) = 'area')");
80     public function translateDisabled(XPathExpr $xpath): XPathExpr  argument
82         return $xpath->addCondition(
106     public function translateEnabled(XPathExpr $xpath): XPathExpr  argument
108         return $xpath->addCondition(
142     public function translateLang(XPathExpr $xpath, FunctionNode $function): XPathExpr  argument
151         return $xpath->addCondition(sprintf(
160     public function translateSelected(XPathExpr $xpath): XPathExpr  argument
162         return $xpath->addCondition("(@selected and name(.) = 'option')");
165     public function translateInvalid(XPathExpr $xpath): XPathExpr  argument
167         return $xpath->addCondition('0');
170     public function translateHover(XPathExpr $xpath): XPathExpr  argument
172         return $xpath->addCondition('0');
175     public function translateVisited(XPathExpr $xpath): XPathExpr  argument
177         return $xpath->addCondition('0');