@type t() :: %Lti_1p3.Platform.PlatformInstance{
  client_id: String.t(),
  custom_params: String.t(),
  description: String.t(),
  id: integer(),
  keyset_url: String.t(),
  login_url: String.t(),
  name: String.t(),
  redirect_uris: String.t(),
  target_link_uri: String.t()
}