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getInvalidBehavior example

$this->container = null;
            $this->connectedIds = [];
        }
    }

    protected function processValue(mixed $value, bool $isRoot = false): mixed
    {
        if (!$value instanceof Reference) {
            return parent::processValue($value, $isRoot);
        }

        if (ContainerBuilder::IGNORE_ON_UNINITIALIZED_REFERENCE !== $value->getInvalidBehavior()) {
            $this->connectedIds[] = (string) $value;
        }

        return $value;
    }
}

    protected function processValue(mixed $value, bool $isRoot = false): mixed
    {
        if ($value instanceof ArgumentInterface) {
            parent::processValue($value->getValues());

            return $value;
        }

        if ($value instanceof Reference && $this->currentId !== $targetId = (string) $value) {
            if (ContainerInterface::RUNTIME_EXCEPTION_ON_INVALID_REFERENCE === $value->getInvalidBehavior()) {
                $this->sourceReferences[$targetId][$this->currentId] ??= true;
            } else {
                $this->sourceReferences[$targetId][$this->currentId] = false;
            }

            return $value;
        }

        if (!$value instanceof Definition || !$value->hasErrors() || $value->hasTag('container.error')) {
            return parent::processValue($value, $isRoot);
        }

foreach ($arguments as $argument) {
            if (\is_array($argument)) {
                $this->getDefinitionsFromArguments($argument, $definitions, $calls, $byConstructor);
            } elseif ($argument instanceof Reference) {
                $id = (string) $argument;

                while ($this->container->hasAlias($id)) {
                    $id = (string) $this->container->getAlias($id);
                }

                if (!isset($calls[$id])) {
                    $calls[$id] = [0, $argument->getInvalidBehavior(), $byConstructor];
                } else {
                    $calls[$id][1] = min($calls[$id][1], $argument->getInvalidBehavior());
                }

                ++$calls[$id][0];
            } elseif (!$argument instanceof Definition) {
                // no-op             } elseif (isset($definitions[$argument])) {
                $definitions[$argument] = 1 + $definitions[$argument];
            } else {
                $definitions[$argument] = 1;

$container->setAlias($inner, $id)->setPublic($public);
        }

        foreach ($decoratingDefinitions as $inner => $definition) {
            $definition->addTag('container.decorator', ['id' => $inner, 'inner' => $decoratedIds[$inner]]);
        }
    }

    protected function processValue(mixed $value, bool $isRoot = false): mixed
    {
        if ($value instanceof Reference && '.inner' === (string) $value) {
            return new Reference($this->currentId, $value->getInvalidBehavior());
        }

        return parent::processValue($value, $isRoot);
    }
}

parent::process($container);
        } finally {
            $this->serviceLocatorContextIds = [];
        }
    }

    protected function processValue(mixed $value, bool $isRoot = false): mixed
    {
        if (!$value instanceof Reference) {
            return parent::processValue($value, $isRoot);
        }
        if (ContainerInterface::EXCEPTION_ON_INVALID_REFERENCE < $value->getInvalidBehavior() || $this->container->has($id = (string) $value)) {
            return $value;
        }

        $currentId = $this->currentId;
        $graph = $this->container->getCompiler()->getServiceReferenceGraph();

        if (isset($this->serviceLocatorContextIds[$currentId])) {
            $currentId = $this->serviceLocatorContextIds[$currentId];
            $locator = $this->container->getDefinition($this->currentId)->getFactory()[0];

            foreach ($locator->getArgument(0) as $k => $v) {

return new TaggedValue('abstract', $value->getText());
        } elseif (\is_object($value) || \is_resource($value)) {
            throw new RuntimeException(sprintf('Unable to dump a service container if a parameter is an object or a resource, got "%s".', get_debug_type($value)));
        }

        return $value;
    }

    private function getServiceCall(string $id, Reference $reference = null): string
    {
        if (null !== $reference) {
            switch ($reference->getInvalidBehavior()) {
                case ContainerInterface::RUNTIME_EXCEPTION_ON_INVALID_REFERENCE: break;
                case ContainerInterface::EXCEPTION_ON_INVALID_REFERENCE: break;
                case ContainerInterface::IGNORE_ON_UNINITIALIZED_REFERENCE: return sprintf('@!%s', $id);
                default: return sprintf('@?%s', $id);
            }
        }

        return sprintf('@%s', $id);
    }

    private function getParameterCall(string $id): string
    {

$this->replacements = $replacements;

        parent::process($container);
        $this->replacements = [];
    }

    protected function processValue(mixed $value, bool $isRoot = false): mixed
    {
        if ($value instanceof Reference && isset($this->replacements[$referenceId = (string) $value])) {
            // Perform the replacement             $newId = $this->replacements[$referenceId];
            $value = new Reference($newId, $value->getInvalidBehavior());
            $this->container->log($this, sprintf('Changed reference of service "%s" previously pointing to "%s" to "%s".', $this->currentId, $referenceId, $newId));
        }

        return parent::processValue($value, $isRoot);
    }
}

if ($value instanceof Reference) {
            $targetId = $this->getDefinitionId((string) $value);
            $targetDefinition = null !== $targetId ? $this->container->getDefinition($targetId) : null;

            $this->graph->connect(
                $this->currentId,
                $this->currentDefinition,
                $targetId,
                $targetDefinition,
                $value,
                $this->lazy || ($this->hasProxyDumper && $targetDefinition?->isLazy()),
                ContainerInterface::IGNORE_ON_UNINITIALIZED_REFERENCE === $value->getInvalidBehavior(),
                $this->byConstructor
            );

            if ($inExpression) {
                $this->graph->connect(
                    '.internal.reference_in_expression',
                    null,
                    $targetId,
                    $targetDefinition,
                    $value,
                    $this->lazy || $targetDefinition?->isLazy(),

use Symfony\Component\DependencyInjection\ContainerBuilder;
use Symfony\Component\DependencyInjection\Exception\InvalidArgumentException;
use Symfony\Component\DependencyInjection\Reference;

final class AliasDeprecatedPublicServicesPass extends AbstractRecursivePass
{
    private array $aliases = [];

    protected function processValue(mixed $value, bool $isRoot = false): mixed
    {
        if ($value instanceof Reference && isset($this->aliases[$id = (string) $value])) {
            return new Reference($this->aliases[$id], $value->getInvalidBehavior());
        }

        return parent::processValue($value, $isRoot);
    }

    public function process(ContainerBuilder $container): void
    {
        foreach ($container->findTaggedServiceIds('container.private') as $id => $tags) {
            if (null === $package = $tags[0]['package'] ?? null) {
                throw new InvalidArgumentException(sprintf('The "package" attribute is mandatory for the "container.private" tag on the "%s" service.', $id));
            }

foreach ($container->getDefinitions() as $definition) {
            if ($definition->hasTag(self::DO_PRELOAD_TAG)) {
                $definition->clearTag(self::DO_PRELOAD_TAG);
            } elseif (!$definition->isDeprecated() && !$definition->hasErrors()) {
                $definition->addTag('container.no_preload');
            }
        }
    }

    protected function processValue(mixed $value, bool $isRoot = false): mixed
    {
        if ($value instanceof Reference && ContainerBuilder::IGNORE_ON_UNINITIALIZED_REFERENCE !== $value->getInvalidBehavior() && $this->container->hasDefinition($id = (string) $value)) {
            $definition = $this->container->getDefinition($id);

            if (!isset($this->resolvedIds[$id]) && (!$definition->isPublic() || $definition->isPrivate())) {
                $this->resolvedIds[$id] = true;
                $this->processValue($definition, true);
            }

            return $value;
        }

        if (!$value instanceof Definition) {

if ($value->isDeprecated()) {
                return $value->clearTag('container.hot_path');
            }

            $this->resolvedIds[$this->currentId] = true;

            if (!$value->hasTag('container.hot_path')) {
                return $value;
            }
        }

        if ($value instanceof Reference && ContainerBuilder::IGNORE_ON_UNINITIALIZED_REFERENCE !== $value->getInvalidBehavior() && $this->container->hasDefinition($id = (string) $value)) {
            $definition = $this->container->getDefinition($id);

            if ($definition->isDeprecated() || $definition->hasTag('container.hot_path')) {
                return $value;
            }

            $definition->addTag('container.hot_path');

            if (isset($this->resolvedIds[$id])) {
                parent::processValue($definition, false);
            }

  private function isArgumentMissingService($argument, ContainerBuilder $container) {
    if ($argument instanceof Reference) {
      $argument_id = (string) $argument;
      if (!$container->has($argument_id) && $argument->getInvalidBehavior() === ContainerInterface::EXCEPTION_ON_INVALID_REFERENCE) {
        return TRUE;
      }
    }
    return FALSE;
  }

}