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Name	Action
..
AutowiringFailedException.php	Edit
BadMethodCallException.php	Edit
EnvNotFoundException.php	Edit
EnvParameterException.php	Edit
ExceptionInterface.php	Edit
InvalidArgumentException.php	Edit
InvalidParameterTypeException.php	Edit
LogicException.php	Edit
OutOfBoundsException.php	Edit
ParameterCircularReferenceException.php	Edit
ParameterNotFoundException.php	Edit
RuntimeException.php	Edit
ServiceCircularReferenceException.php	Edit
ServiceNotFoundException.php	Edit

Editing: EnvNotFoundException.php

<?php /* * This file is part of the Symfony package. * * (c) Fabien Potencier <fabien@symfony.com> * * For the full copyright and license information, please view the LICENSE * file that was distributed with this source code. */ namespace Symfony\Component\DependencyInjection\Exception; /** * This exception is thrown when an environment variable is not found. * * @author Nicolas Grekas <p@tchwork.com> */ class EnvNotFoundException extends InvalidArgumentException { }