@type t() :: %ExOura.Client.PublicWorkout{
  activity: String.t(),
  calories: number() | nil,
  day: String.t(),
  distance: number() | nil,
  end_datetime: String.t(),
  id: String.t(),
  intensity: String.t(),
  label: String.t() | nil,
  source: String.t(),
  start_datetime: String.t()
}