t() :: %ExGram.Model.InlineKeyboardButton{
  callback_data: String.t() | nil,
  callback_game: ExGram.Model.CallbackGame.t() | nil,
  login_url: ExGram.Model.LoginUrl.t() | nil,
  pay: boolean() | nil,
  switch_inline_query: String.t(),
  switch_inline_query_current_chat: String.t() | nil,
  text: String.t(),
  url: String.t() | nil
}