heatmap.new(title)
      + heatmap.queryOptions.withTargets(targets)
      + heatmap.queryOptions.withInterval('1m')
      + options.calculation.xBuckets.withMode('size')
      + options.calculation.xBuckets.withValue('1min')
      + options.withCellGap(0)
      + options.color.withMode('scheme')
      + options.color.withScheme('Spectral')
      + options.color.withSteps(128)
      + options.yAxis.withDecimals(0)

        this.scrollSize = scrollSize;
    }

    protected static class EsTimestampConverter implements Converter {
        public static final DateTimeFormatter DEFAULT_DATE_PRINTER = ISODateTimeFormat.dateTime().withZone(DateTimeZone.UTC);

        @Override
        public String getAsString(final Object value) {
            if (value instanceof Date) {
                return DEFAULT_DATE_PRINTER.print(((Date) value).getTime());