FlattenException wraps a PHP Exception to be able to serialize it.
Basically, this class removes all objects from the trace.
@author Fabien Potencier <fabien@symfony.com>
Expanded class hierarchy of FlattenException
Deprecated in 2.3, to be removed in 3.0. Use the same class from the Debug component instead.
class FlattenException extends DebugFlattenException {
}