t() :: %ExGram.Model.Chat{
  active_usernames: [String.t()] | nil,
  bio: String.t() | nil,
  can_set_sticker_set: boolean() | nil,
  description: String.t() | nil,
  emoji_status_custom_emoji_id: String.t() | nil,
  first_name: String.t() | nil,
  has_aggressive_anti_spam_enabled: boolean() | nil,
  has_hidden_members: boolean() | nil,
  has_private_forwards: boolean() | nil,
  has_protected_content: boolean() | nil,
  has_restricted_voice_and_video_messages: boolean() | nil,
  id: integer(),
  invite_link: String.t() | nil,
  is_forum: boolean() | nil,
  join_by_request: boolean() | nil,
  join_to_send_messages: boolean() | nil,
  last_name: String.t() | nil,
  linked_chat_id: integer() | nil,
  location: ExGram.Model.ChatLocation.t() | nil,
  message_auto_delete_time: integer() | 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
}