t() :: %Fiet.RSS2.Channel{
  category: binary(),
  cloud: binary(),
  copyright: binary(),
  description: binary(),
  docs: binary(),
  extras: map(),
  generator: binary(),
  image: binary(),
  items: binary(),
  language: binary(),
  last_build_date: binary(),
  link: binary(),
  managing_editor: binary(),
  pub_date: binary(),
  rating: binary(),
  skip_days: binary(),
  skip_hours: binary(),
  text_input: binary(),
  title: binary(),
  ttl: binary(),
  web_master: binary()
}