class IndexQuoteId implements ObservableId, ImmutableBean, Serializable {

  public static IndexQuoteId of(Index index) {
    return new IndexQuoteId(index, FieldName.MARKET_VALUE, ObservableSource.NONE);
  }

  private  IndexQuoteId(
      Index index,
      FieldName fieldName,
      ObservableSource observableSource);

}