text: public String toString(){StringBuilder buffer = new StringBuilder();buffer.append("[SeriesToChartGroup]\n");buffer.append("    .chartGroupIndex      = ").append("0x").append(HexDump.toHex(  getChartGroupIndex ())).append(" (").append( getChartGroupIndex() ).append(" )");buffer.append(System.getProperty("line.separator"));buffer.append("[/SeriesToChartGroup]\n");return buffer.toString();}