action tfl_line_meta_severity {
  label: "Gets a list of valid severity codes"
  provider: tfl
  method: GET
  path: "/Line/Meta/Severity"
  encoding: json
  output: {
    type: "array"
    items: {
      type: "object"
      properties: {
        description: {
          type: "string"
        }
        modeName: {
          type: "string"
        }
        severityLevel: {
          type: "integer"
          format: "int32"
        }
      }
    }
  }
}