@type t() :: %LINE.Bot.MessagingApi.Model.ImagemapMessage{
  actions: [LINE.Bot.Model.ImagemapAction.t()],
  altText: String.t(),
  baseSize: LINE.Bot.Model.ImagemapBaseSize.t(),
  baseUrl: Uri,
  quickReply: LINE.Bot.Model.QuickReply.t() | nil,
  sender: LINE.Bot.Model.Sender.t() | nil,
  type: String.t(),
  video: LINE.Bot.Model.ImagemapVideo.t() | nil
}