def create_group(user_ids)
      raise 'Attempted to create group channel on a non-pm channel!' unless pm?

      response = API::Channel.create_group(@bot.token, @id, user_ids.shift)
      channel = Channel.new(JSON.parse(response), @bot)
      channel.add_group_users(user_ids)
    end
def create_group(user_ids)
      raise 'Attempted to create group channel on a non-pm channel!' unless pm?

      response = API::Channel.create_group(@bot.token, @id, user_ids.shift)
      channel = Channel.new(JSON.parse(response), @bot)
      channel.add_group_users(user_ids)
    end
Creates a Group channel
 @param user_ids [Array<Integer>] Array of user IDs to add to the new group channel (Excluding
   the recipient of the PM channel).
 @return [Channel] the created channel.