| FrozenParameterBag | Holds read-only parameters. |
| ParameterBag | Holds parameters. |
| ParameterBagInterface | ParameterBagInterface. |
© 2004–2017 Fabien Potencier
Licensed under the MIT License.
http://api.symfony.com/4.0/Symfony/Component/DependencyInjection/ParameterBag.html