All classes that implement DumperInterface in Service Container 7.2

class \Drupal\Component\DependencyInjection\Dumper\OptimizedPhpArrayDumper
class \Drupal\Component\DependencyInjection\Dumper\PhpArrayDumper
class \Drupal\Core\DependencyInjection\Dumper\PhpArrayDumper
class \Symfony\Component\DependencyInjection\Dumper\Dumper implements DumperInterface
class \Symfony\Component\DependencyInjection\Dumper\GraphvizDumper
class \Symfony\Component\DependencyInjection\Dumper\PhpDumper
class \Symfony\Component\DependencyInjection\Dumper\XmlDumper
class \Symfony\Component\DependencyInjection\Dumper\YamlDumper

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