migrate_drupal.settings.yml in Drupal 8

core/modules/migrate_drupal/config/install/migrate_drupal.settings.yml

File

core/modules/migrate_drupal/config/install/migrate_drupal.settings.yml

# Migrations with any of these tags will raise an exception if their source
# plugin is missing the source_module property in their annotation.
enforce_source_module_tags:
  - Drupal 6
  - Drupal 7
# Migrations with any of these tags will not be derived and executed with the
# other migrations. They will be derived and executed after the migrations on
# which they depend have been successfully executed.
follow_up_migration_tags:
  - Follow-up migration