public function removeParent(string $parentId, bool $setParentsChild = true): NodeInterface
    {
        if (isset($this->_parents[$parentId])) {
            $parent = $this->getParent($parentId);

            $this->notifySubscribers(
                self::EVENT_REMOVE_PARENT,
                ['oldParents' => $this->_parents, 'parentToRemove' => $parent, 'child' => $this]
            );

            if ($setParentsChild) {
                $parent->removeChild($this->getId(), false);
            }

            unset($this->_parents[$parentId]);
        }

        return $this;
    }