block_content_type_add:
  route_name: block_content.type_add
  title: 'Add custom block type'
  appears_on:
    - block_content.type_list

block_content_add_action:
  route_name: block_content.add_page
  title: 'Add custom block'
  appears_on:
    - block.admin_display
    - block.admin_display_theme
    - block_content.list
  class: \Drupal\block_content\Plugin\Menu\LocalAction\BlockContentAddLocalAction