edlp_d8/core/modules/language/migration_templates/language.yml

id: language
label: Languages
migration_tags:
  - Drupal 6
  - Drupal 7
source:
  plugin: language
process:
  id: language
  label: name
  direction:
    plugin: static_map
    source: direction
    map:
      0: ltr
      1: rtl
  weight: weight
destination:
  plugin: entity:configurable_language