service fixed_block_content.block_content in Fixed Block Content 8

class: Drupal\fixed_block_content\Normalizer\BlockContentNormalizer
arguments:
  - '@hal.link_manager'
  - '@entity_type.manager'
  - '@module_handler'
  - '@entity_type.repository'
  - '@entity_field.manager'
tags:
  - { name: normalizer, priority: 15 }