@type t() :: %ExOura.Client.PublicSession{
  day: String.t(),
  end_datetime: String.t(),
  heart_rate: ExOura.Client.PublicSample.t() | nil,
  heart_rate_variability: ExOura.Client.PublicSample.t() | nil,
  id: String.t(),
  meta: ExOura.Client.Metadata.t(),
  mood: String.t() | nil,
  motion_count: ExOura.Client.PublicSample.t() | nil,
  start_datetime: String.t(),
  type: String.t()
}