public async Task <List <Signal> > GetSignalsAsync(string symbol, string indicatorsString, int?last, string timeframe)
        {
            List <IIndicator> indicators = IndicatorsBuilder.Build(indicatorsString);
            List <Signal>     signals    = await GetSignalsAsync(symbol, indicators, last, timeframe);

            return(signals);
        }
        public async Task <List <SignalInterpretation> > GetSignalsInterpretation(string symbol, string indicators = null, DateTime?forDate = null)
        {
            List <IIndicator> defaultIndicators = IndicatorsBuilder.Build(indicators);

            List <SignalInterpretation> signalsInterpretation = await GetSignalsInterpretation(symbol, defaultIndicators, forDate);

            return(signalsInterpretation);
        }