public class Quotes
{
      // Methods
      public Quotes(string symbol, string format, int interval);
      public virtual double Accept(int index, Indicator indicator);

      // Properties
      public Series Closes { get; }
      public int Count { get; }
      public Series Highs { get; }
      public int Interval { get; }
      public Series Lows { get; }
      public Series Opens { get; }
      public TimeSeries TimeSeries { get; }
      public Series Volumes { get; }

      // Nested Types
      public enum SeriesType
      {
            // Fields
            Close = 1,
            High = 2,
            Low = 3,
            Open = 0,
            Volume = 4
      }
}