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<?php
declare(strict_types=1);
namespace Mautic\CoreBundle\Helper\Tree;
/**
* @extends \RecursiveIterator<int,NodeInterface>
*/
interface NodeInterface extends \RecursiveIterator
{
/**
* @return mixed
*/
public function getValue();
public function setParent(NodeInterface $parent): void;
public function getParent(): ?NodeInterface;
public function addChild(NodeInterface $child): void;
/**
* @return NodeInterface[]
*/
public function getChildrenArray(): array;
/**
* @param mixed $value
*/
public function addParam(string $key, $value): void;
/**
* @param mixed $default
*
* @return mixed
*/
public function getParam(string $key, $default = null);
}
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