public static ChartDataSource<Number> fromNumericCellRange(Sheet sheet, CellRangeAddress cellRangeAddress) {return new AbstractCellRangeDataSource<Number>(sheet, cellRangeAddress);}

public static ChartDataSource < Number > fromNumericCellRange ( Sheet sheet , CellRangeAddress cellRangeAddress ) { return new AbstractCellRangeDataSource < Number > ( sheet , cellRangeAddress ) ; }
public static IChartDataSource<double> FromNumericCellRange(ISheet sheet, CellRangeAddress cellRangeAddress) {return new DoubleCellRangeDataSource(sheet, cellRangeAddress);}
