protected function loadDefaultTransformers(ContainerBuilder $container)
    {
        $definition = new Definition('Behat\Behat\Transformation\Transformer\RepositoryArgumentTransformer', array(
            new Reference(self::REPOSITORY_ID),
            new Reference(CallExtension::CALL_CENTER_ID),
            new Reference(DefinitionExtension::PATTERN_TRANSFORMER_ID),
            new Reference(TranslatorExtension::TRANSLATOR_ID)
        ));
        $definition->addTag(self::ARGUMENT_TRANSFORMER_TAG, array('priority' => 50));
        $container->setDefinition(self::ARGUMENT_TRANSFORMER_TAG . '.repository', $definition);
    }