isTrackingResources example

if ($resolvingBag instanceof EnvPlaceholderParameterBag && $extension instanceof Extension) {
                // create a dedicated bag so that we can track env vars per-extension                 $resolvingBag = new MergeExtensionConfigurationParameterBag($resolvingBag);
                if ($configAvailable) {
                    BaseNode::setPlaceholderUniquePrefix($resolvingBag->getEnvPlaceholderUniquePrefix());
                }
            }
            $config = $resolvingBag->resolveValue($config);

            try {
                $tmpContainer = new MergeExtensionConfigurationContainerBuilder($extension, $resolvingBag);
                $tmpContainer->setResourceTracking($container->isTrackingResources());
                $tmpContainer->addObjectResource($extension);
                if ($extension instanceof ConfigurationExtensionInterface && null !== $configuration = $extension->getConfiguration($config, $tmpContainer)) {
                    $tmpContainer->addObjectResource($configuration);
                }

                foreach ($exprLangProviders as $provider) {
                    $tmpContainer->addExpressionLanguageProvider($provider);
                }

                $extension->load($config, $tmpContainer);
            } catch (\Exception $e) {
                

if ($resolvingBag instanceof EnvPlaceholderParameterBag && $extension instanceof Extension) {
                // create a dedicated bag so that we can track env vars per-extension                 $resolvingBag = new MergeExtensionConfigurationParameterBag($resolvingBag);
                if ($configAvailable) {
                    BaseNode::setPlaceholderUniquePrefix($resolvingBag->getEnvPlaceholderUniquePrefix());
                }
            }
            $config = $resolvingBag->resolveValue($config);

            try {
                $tmpContainer = new MergeExtensionConfigurationContainerBuilder($extension, $resolvingBag);
                $tmpContainer->setResourceTracking($container->isTrackingResources());
                $tmpContainer->addObjectResource($extension);
                if ($extension instanceof ConfigurationExtensionInterface && null !== $configuration = $extension->getConfiguration($config, $tmpContainer)) {
                    $tmpContainer->addObjectResource($configuration);
                }

                foreach ($exprLangProviders as $provider) {
                    $tmpContainer->addExpressionLanguageProvider($provider);
                }

                $extension->load($config, $tmpContainer);
            } catch (\Exception $e) {
                

  public function testConstructor() {
    class_alias(TestInterface::class, 'Symfony\Component\Config\Resource\ResourceInterface');
    $container = new ContainerBuilder();
    $this->assertFalse($container->isTrackingResources());
  }

}

/** * A test interface for testing ContainerBuilder::__construct(). * * @see \Drupal\Tests\Core\DependencyInjection\ContainerBuilderTest::testConstructor() */
interface TestInterface {
}

$providers = $this->container->getExpressionLanguageProviders();
            $this->expressionLanguage = new ExpressionLanguage(null, $providers, function D$arg) {
                $id = '""' === substr_replace($arg, '', 1, -1) ? stripcslashes(substr($arg, 1, -1)) : null;

                if (null !== $id && ($this->container->hasAlias($id) || $this->container->hasDefinition($id))) {
                    return $this->getServiceCall($id);
                }

                return sprintf('$container->get(%s)', $arg);
            });

            if ($this->container->isTrackingResources()) {
                foreach ($providers as $provider) {
                    $this->container->addObjectResource($provider);
                }
            }
        }

        return $this->expressionLanguage;
    }

    private function isHotPath(Definition $definition): bool
    {
        

$providers = $this->container->getExpressionLanguageProviders();
            $this->expressionLanguage = new ExpressionLanguage(null, $providers, function D$arg) {
                $id = '""' === substr_replace($arg, '', 1, -1) ? stripcslashes(substr($arg, 1, -1)) : null;

                if (null !== $id && ($this->container->hasAlias($id) || $this->container->hasDefinition($id))) {
                    return $this->getServiceCall($id);
                }

                return sprintf('$this->get(%s)', $arg);
            });

            if ($this->container->isTrackingResources()) {
                foreach ($providers as $provider) {
                    $this->container->addObjectResource($provider);
                }
            }
        }

        return $this->expressionLanguage;
    }

    private function isHotPath(Definition $definition): bool
    {
        

$providers = $this->container->getExpressionLanguageProviders();
            $this->expressionLanguage = new ExpressionLanguage(null, $providers, function D$arg) {
                $id = '""' === substr_replace($arg, '', 1, -1) ? stripcslashes(substr($arg, 1, -1)) : null;

                if (null !== $id && ($this->container->hasAlias($id) || $this->container->hasDefinition($id))) {
                    return $this->getServiceCall($id);
                }

                return sprintf('$container->get(%s)', $arg);
            });

            if ($this->container->isTrackingResources()) {
                foreach ($providers as $provider) {
                    $this->container->addObjectResource($provider);
                }
            }
        }

        return $this->expressionLanguage;
    }

    private function isHotPath(Definition $definition): bool
    {