{
  "persistent": {
    "type": "dict",
    "require_all": true,
    "schema": {
      "key": {
        "type": "dict",
        "require_all":true,
        "schema": {
          "database": {"type":"string"},
          "tba": {"type": "string"},
          "tra": {
            "type": "dict",
            "require_all": true,
            "schema": {
              "CLIENT_ID": {"type": "string"},
              "CLIENT_SECRET": {"type": "string"}
            }
          }
        }
      },
      "config-preference": {"type": "string", "required": true},
      "synchronize-config": {"type": "boolean", "required": true}
    }
  }
}