try {$dto =$serializer->deserialize($request->getContent(), MyDto::class,'json', [            DenormalizerInterface::COLLECT_DENORMALIZATION_ERRORS =>true,            DenormalizerInterface::COLLECT_EXTRA_ATTRIBUTES_ERRORS =>true,            DenormalizerInterface::ALLOW_EXTRA_ATTRIBUTES =>false,        ]);    }catch (PartialDenormalizationException$e) {$violations =newConstraintViolationList();/** @var NotNormalizableValueException */foreach ($e->getErrors()as$exception) {$message =sprintf('The type must be one of "%s" ("%s" given).',implode(',',$exception->getExpectedTypes()),$exception->getCurrentType());$parameters = [];if ($exception->canUseMessageForUser()) {$parameters['hint'] =$exception->getMessage();            }$violations->add(newConstraintViolation($message,'',$parameters,null,$exception->getPath(),null));        };if (null !==$extraAttributesException =$e->getExtraAttributesError()) {foreach ($extraAttributesException->getExtraAttributes()as$extraAttribute) {$violations->add(newConstraintViolation('This attribute is not allowed.','', [],null,$extraAttribute,null));            };        }return$this->json($violations,400);    }