<?= "<?php\n" ?> namespace <?= $namespace; ?>; use Symfony\Component\Serializer\Encoder\DecoderInterface; use Symfony\Component\Serializer\Encoder\EncoderInterface; class <?= $class_name ?> implements EncoderInterface, DecoderInterface { public const FORMAT = '<?= $format ?>'; public function encode($data, $format, array $context = []) { // TODO: return your encoded data return ''; } public function supportsEncoding($format): bool { return self::FORMAT === $format; } public function decode($data, $format, array $context = []) { // TODO: return your decoded data return ''; } public function supportsDecoding($format): bool { return self::FORMAT === $format; } }