t() :: %Exchange.Adapters.EventBus.OrderPlaced{
  action_indicator: String.t(),
  client_trans_ref: String.t(),
  consideration_currency: String.t(),
  good_until: String.t(),
  last_modified: String.t(),
  limit: integer(),
  order_id: String.t(),
  order_time: String.t(),
  order_value: String.t(),
  quantity: integer(),
  quantity_matched: integer(),
  security_id: String.t(),
  status_code: String.t(),
  total_commission: String.t(),
  total_consideration: String.t(),
  trade_type: String.t(),
  type_code: String.t()
}