t() :: %ExGram.Model.Chat{
  can_set_sticker_set: boolean() | nil,
  description: String.t() | nil,
  first_name: String.t() | nil,
  id: integer(),
  invite_link: String.t() | nil,
  last_name: String.t() | nil,
  permissions: ExGram.Model.ChatPermissions.t() | nil,
  photo: ExGram.Model.ChatPhoto.t() | nil,
  pinned_message: ExGram.Model.Message.t() | nil,
  slow_mode_delay: integer() | nil,
  sticker_set_name: String.t() | nil,
  title: String.t() | nil,
  type: String.t(),
  username: String.t() | nil
}