serialization_test.services.yml

services:
  serializer.normalizer.serialization_test:
    class: Drupal\serialization_test\SerializationTestNormalizer
    tags:
      - { name: normalizer }
  serializer.encoder.serialization_test:
    class: Drupal\serialization_test\SerializationTestEncoder
    tags:
      - { name: encoder, format: serialization_test}