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web/core/modules/locale/migrations/locale_settings.yml

@@ -0,0 +1,18 @@
+id: locale_settings
+label: Locale configuration
+migration_tags:
+  - Drupal 6
+  - Drupal 7
+  - Configuration
+source:
+  plugin: variable
+  variables:
+    - locale_cache_strings
+    - locale_js_directory
+  source_module: locale
+process:
+  cache_strings: locale_cache_strings
+  'javascript/directory': locale_js_directory
+destination:
+  plugin: config
+  config_name: locale.settings