services/preferences/manifest.json

{
  "name": "preferences",
  "display_name": "Preferences",
  "interface_provider_specs": {
    "service_manager:connector": {
      "provides": {
        "pref_client": [
          "prefs.mojom.PrefStoreConnector"
        ]
      },
      "requires": {
      }
    }
  }
}