@type t() :: %SuperPi.Durable.Schemas.Document{
  __meta__: term(),
  created_seq: term(),
  fork_policy: term(),
  history_policy: term(),
  id: term(),
  inserted_at: term(),
  key: term(),
  kind: term(),
  retired_seq: term(),
  scope_id: term(),
  scope_kind: term(),
  updated_at: term()
}