test_datatype_boolean_emoji_normalizer.services.yml

services:
  serializer.normalizer.boolean.datatype.emoji:
    class: Drupal\test_datatype_boolean_emoji_normalizer\Normalizer\BooleanNormalizer
    tags:
      # The priority must be higher than serializer.normalizer.primitive_data.
      - { name: normalizer , priority: 1000 }