class FlattenException FlattenException wraps a PHP Exception to be able to serialize it. Basically

class OutOfBoundsException extends OutOfBoundsException implements

class NoAceFoundException extends Exception

class NotAcceptableHttpException extends

class ExceptionHandler extends ExceptionHandler

class RuntimeException extends RuntimeException implements

class ConcurrentModificationException extends

class MethodNotAllowedHttpException extends

class ConflictHttpException extends

class ErrorMappingException extends