chromium/components/policy/test/data/pref_mapping/AllowedInputMethods.json

[
  {
    "os": [
      "chromeos_ash"
    ],
    "simple_policy_pref_mapping_test": {
      "pref_name": "settings.language.allowed_input_methods",
      "default_value": [],
      "values_to_test": [
        [
          "xkb:us::en"
        ]
      ]
    }
  }
]