selector = $selector; $this->id = $id; } public function getSelector() : NodeInterface { return $this->selector; } public function getId() : string { return $this->id; } public function getSpecificity() : Specificity { return $this->selector->getSpecificity()->plus(new Specificity(1, 0, 0)); } public function __toString() : string { return \sprintf('%s[%s#%s]', $this->getNodeName(), $this->selector, $this->id); } }