public int addConditionalFormatting(CellRangeAddress[] regions,HSSFConditionalFormattingRule rule1) {return addConditionalFormatting(regions, rule1 == null ?null : new HSSFConditionalFormattingRule[] { rule1 });}

public int AddConditionalFormatting(CellRangeAddress[] regions,HSSFConditionalFormattingRule rule1){return AddConditionalFormatting(regions,rule1 == null ? null : new HSSFConditionalFormattingRule[]{rule1});}
