/**
* @param string $key
* @param AbstractNode $node
* @param bool $allowDefault
*
* @return $this
*
* @throws \InvalidArgumentException
*/
public function add($key, AbstractNode $node, $allowDefault = false)
{
if (isset($this->children[$key])) {
throw new \InvalidArgumentException(sprintf('There is already a node with key %s!', $key));
}
$node->setParent($this);
$this->children[$key] = new NodeChildRelation($node, $allowDefault);
return $this;
}
/**
* @param AbstractNode $node
* @param bool $allowDefault
*
* @return $this
*
* @throws \InvalidArgumentException
*/
public function add(AbstractNode $node, $allowDefault = false)
{
$node->setParent($this);
$this->children[] = new NodeChildRelation($node, $allowDefault);
return $this;
}
