private function setMappings(ContainerBuilder $container, $config)
{
$definition = new Definition();
$definition->setClass('NilPortugues\\Api\\Mapping\\Mapper');
$args = $this->resolveMappings($container, $config['mappings']);
$definition->setArguments($args);
$definition->setLazy(true);
$container->setDefinition('nil_portugues.api.mapping.mapper', $definition);
}