t() :: %Telegex.Model.Update{
  callback_query: Telegex.Model.CallbackQuery.t() | nil,
  channel_post: Telegex.Model.Message.t() | nil,
  chat_member: Telegex.Model.ChatMemberUpdated.t() | nil,
  chosen_inline_result: Telegex.Model.ChosenInlineResult.t() | nil,
  edited_channel_post: Telegex.Model.Message.t() | nil,
  edited_message: Telegex.Model.Message.t() | nil,
  inline_query: Telegex.Model.InlineQuery.t() | nil,
  message: Telegex.Model.Message.t() | nil,
  my_chat_member: Telegex.Model.ChatMemberUpdated.t() | nil,
  poll: Telegex.Model.Poll.t() | nil,
  poll_answer: Telegex.Model.PollAnswer.t() | nil,
  pre_checkout_query: Telegex.Model.PreCheckoutQuery.t() | nil,
  shipping_query: Telegex.Model.ShippingQuery.t() | nil,
  update_id: integer()
}