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CheckReferenceValidityPass example

new ServiceLocatorTagPass(),
            new DecoratorServicePass(),
            new CheckDefinitionValidityPass(),
            new AutowirePass(false),
            new ServiceLocatorTagPass(),
            new ResolveTaggedIteratorArgumentPass(),
            new ResolveServiceSubscribersPass(),
            new ResolveReferencesToAliasesPass(),
            new ResolveInvalidReferencesPass(),
            new AnalyzeServiceReferencesPass(true),
            new CheckCircularReferencesPass(),
            new CheckReferenceValidityPass(),
            new CheckArgumentsValidityPass(false),
        ]];

        $this->removingPasses = [[
            new RemovePrivateAliasesPass(),
            new ReplaceAliasByActualDefinitionPass(),
            new RemoveAbstractDefinitionsPass(),
            new RemoveUnusedDefinitionsPass(),
            new AnalyzeServiceReferencesPass(),
            new CheckExceptionOnInvalidReferenceBehaviorPass(),
            new InlineServiceDefinitionsPass(new AnalyzeServiceReferencesPass()),

$container = new ContainerBuilder();
        $container->register('a')->addArgument(new Reference('b'));
        $container->register('b');

        $this->process($container);

        $this->addToAssertionCount(1);
    }

    protected function process(ContainerBuilder $container)
    {
        $pass = new CheckReferenceValidityPass();
        $pass->process($container);
    }
}