src/DependencyInjection/ConfigurationProvider/FileConfigurationProvider.php
public function load(ContainerBuilder $container)
    {
        $loader = $this->getContainerLoader($container);

        $loader->load($this->configFile);
    }
public function load(ContainerBuilder $container)
    {
        $loader = $this->getContainerLoader($container);

        $loader->load($this->configFile);
    }
Load the given ContainerBuilder with its configuration.

@param ContainerBuilder $container

@return void