class QuoteId implements ObservableId, ImmutableBean, Serializable {

  public static QuoteId of(StandardId standardId) {
    return new QuoteId(standardId, FieldName.MARKET_VALUE, ObservableSource.NONE);
  }

  private  QuoteId(
      StandardId standardId,
      FieldName fieldName,
      ObservableSource observableSource);

}