@type t() :: %TimelessTraces.Span{
  attributes: map(),
  duration_ns: integer(),
  end_time: integer(),
  events: list(),
  instrumentation_scope: map() | nil,
  kind: :internal | :server | :client | :producer | :consumer,
  name: String.t(),
  parent_span_id: String.t() | nil,
  resource: map(),
  span_id: String.t(),
  start_time: integer(),
  status: :ok | :error | :unset,
  status_message: String.t() | nil,
  trace_id: String.t()
}