@Override
        public NumberStatistics newInstance(
            final Class<NumberStatistics> type, final InputElement xml) throws XMLStreamException {
          final Statistics stats = Statistics.XML.newInstance(Statistics.class, xml);
          final Float64 fitnessMean = xml.get(FITNESS_MEAN);
          final Float64 fitnessVariance = xml.get(FITNESS_VARIANCE);
          final Float64 errorOfMean = xml.get(ERROR_OF_MEAN);

          final Builder builder = new Builder().statistics(stats);
          builder.fitnessMean(fitnessMean.doubleValue());
          builder.fitnessVariance(fitnessVariance.doubleValue());
          builder.standardError(errorOfMean.doubleValue());

          return builder.build();
        }
 public void read(InputElement xml, TestCapSsfConfigurationData srv)
     throws XMLStreamException {
   String cpv = (String) xml.get(CAP_APPLICATION_CONTEXT, String.class);
   srv.capApplicationContext = CapApplicationContextSsf.createInstance(cpv);
 }