Cancel_rejection_reason and cancel_rejection_message in TicketCancelResponse fields?

• cancel_rejection_reason= the reason from the enumeration:

enum CancelRejectionReason {
  // Not a valid reason. Used for blocking 0 as invalid state.
  CANCEL_REJECT_REASON_UNSPECIFIED = 0;

  // Ticket was not found in OTS system.
  CANCEL_REJECT_REASON_TICKET_NOT_FOUND = 1;

  // Time for receiving ticket cancellation has passed.
  CANCEL_REJECT_REASON_TIME_EXPIRED = 2;

  // Ticket is already settled and cannot be canceled.
  CANCEL_REJECT_REASON_ALREADY_SETTLED = 3;

  // Reason is not specified. More info should be contained in the message field.
  CANCEL_REJECT_REASON_OTHER = 4;
}

• cancel_rejection_message= your own description of the rejection reason