validateRules example

break;
                case AbsolutePriceDefinition::TYPE:
                    $this->validateProperties(
                        $value,
                        AbsolutePriceDefinition::getConstraints(),
                        $parameters->getPath()
                    );

                    if (!\array_key_exists('filter', $value) || $value['filter'] === null) {
                        break;
                    }
                    $violations = $this->validateRules($value['filter'], $parameters->getPath() . '/filter');
                    if ($violations->count() > 0) {
                        throw new WriteConstraintViolationException($violations, $parameters->getPath());
                    }

                    break;
                case CurrencyPriceDefinition::TYPE:
                    $this->validateProperties(
                        $value,
                        CurrencyPriceDefinition::getConstraints(),
                        $parameters->getPath()
                    );