t() :: %ExGram.Model.Sticker{
  emoji: String.t() | nil,
  file_id: String.t(),
  file_size: integer() | nil,
  file_unique_id: String.t(),
  height: integer(),
  is_animated: boolean(),
  mask_position: ExGram.Model.MaskPosition.t() | nil,
  set_name: String.t() | nil,
  thumb: ExGram.Model.PhotoSize.t() | nil,
  width: integer()
}