code: def merge_ticket(self, ticket_id, into_id):
          
          msg = self.__request('ticket/{}/merge/{}'.format(str(ticket_id),
                                                           str(into_id)))
          state = msg.split('\n')[2]
          return self.RE_PATTERNS['merge_successful_pattern'].match(state) is not None
docs: Merge ticket into another (undocumented API feature).
  
          :param ticket_id: ID of ticket to be merged
          :param into: ID of destination ticket
          :returns: ``True``
                        Operation was successful
                    ``False``
                        Either origin or destination ticket does not
                        exist or user does not have ModifyTicket permission.