text: /**
   * The type of the action which signals a check for a dial-out phone number has
   * succeeded.
   *
   * {
   *     type: PHONE_NUMBER_CHECKED,
   *     response: Object
   * }
   */
  export const PHONE_NUMBER_CHECKED
      = Symbol('PHONE_NUMBER_CHECKED');
  
  /**
   * The type of the action which signals a cancel of the dial-out operation.
   *
   * {
   *     type: DIAL_OUT_CANCELED,
   *     response: Object
   * }
   */
  export const DIAL_OUT_CANCELED
      = Symbol('DIAL_OUT_CANCELED');
  
  /**
   * The type of the action which signals a request for dial-out country codes has
   * succeeded.
   *
   * {
   *     type: DIAL_OUT_CODES_UPDATED,
   *     response: Object
   * }
   */
  export const DIAL_OUT_CODES_UPDATED
      = Symbol('DIAL_OUT_CODES_UPDATED');
  
  /**
   * The type of the action which signals a failure in some of dial-out service
   * requests.
   *
   * {
   *     type: DIAL_OUT_SERVICE_FAILED,
   *     response: Object
   * }
   */
  export const DIAL_OUT_SERVICE_FAILED
      = Symbol('DIAL_OUT_SERVICE_FAILED');
  