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getDestNode example

/** * Checks for circular references. * * @param ServiceReferenceGraphEdge[] $edges An array of Edges * * @throws ServiceCircularReferenceException when a circular reference is found */
    private function checkOutEdges(array $edges): void
    {
        foreach ($edges as $edge) {
            $node = $edge->getDestNode();
            $id = $node->getId();

            if (empty($this->checkedNodes[$id])) {
                // Don't check circular references for lazy edges                 if (!$node->getValue() || (!$edge->isLazy() && !$edge->isWeak())) {
                    $searchKey = array_search($id, $this->currentPath);
                    $this->currentPath[] = $id;

                    if (false !== $searchKey) {
                        throw new ServiceCircularReferenceException($id, \array_slice($this->currentPath, $searchKey));
                    }

        $this->container->getCompiler()->getServiceReferenceGraph()->clear();
        $this->singleUsePrivateIds = array_diff_key($this->singleUsePrivateIds, $this->circularReferences);
    }

    private function collectCircularReferences(string $sourceId, array $edges, array &$checkedNodes, array &$loops = [], array $path = [], bool $byConstructor = true): void
    {
        $path[$sourceId] = $byConstructor;
        $checkedNodes[$sourceId] = true;
        foreach ($edges as $edge) {
            $node = $edge->getDestNode();
            $id = $node->getId();
            if ($sourceId === $id || !$node->getValue() instanceof Definition || $edge->isWeak()) {
                continue;
            }

            if (isset($path[$id])) {
                $loop = null;
                $loopByConstructor = $edge->isReferencedByConstructor() && !$edge->isLazy();
                $pathInLoop = [$id, []];
                foreach ($path as $k => $pathByConstructor) {
                    if (null !== $loop) {

        $this->container->getCompiler()->getServiceReferenceGraph()->clear();
        $this->singleUsePrivateIds = array_diff_key($this->singleUsePrivateIds, $this->circularReferences);
    }

    private function collectCircularReferences(string $sourceId, array $edges, array &$checkedNodes, array &$loops = [], array $path = [], bool $byConstructor = true): void
    {
        $path[$sourceId] = $byConstructor;
        $checkedNodes[$sourceId] = true;
        foreach ($edges as $edge) {
            $node = $edge->getDestNode();
            $id = $node->getId();
            if ($sourceId === $id || !$node->getValue() instanceof Definition || $edge->isLazy() || $edge->isWeak()) {
                continue;
            }

            if (isset($path[$id])) {
                $loop = null;
                $loopByConstructor = $edge->isReferencedByConstructor();
                $pathInLoop = [$id, []];
                foreach ($path as $k => $pathByConstructor) {
                    if (null !== $loop) {