commerce_product_api.services.yml

services:
  commerce_product_api.normalizer.product_variations:
    class: Drupal\commerce_product_api\Normalizer\ProductVariationsNormalizer
    arguments: ['@entity.repository']
    tags:
      - { name: normalizer, priority: 9 }
  commerce_product_api.normalizer.product:
    class: Drupal\commerce_product_api\Normalizer\ProductNormalizer
    arguments: ['@entity.manager']
    tags:
      - { name: normalizer, priority: 19 }