@type t() :: %ExOanda.ClientPrice{
  asks: [ExOanda.PriceBucket.t()],
  bids: [ExOanda.PriceBucket.t()],
  closeout_ask: float() | nil,
  closeout_bid: float() | nil,
  instrument: String.t() | nil,
  time: DateTime.t() | nil,
  tradeable: boolean() | nil,
  type: ExOanda.Type.Atom.t() | nil
}