crateApiPrinterLddPrinterUnderline abstract method
      
Future<void> 
crateApiPrinterLddPrinterUnderline({ 
    
    
- required LddPrinter that,
- required LddUnderlineMode mode,
Implementation
Future<void> crateApiPrinterLddPrinterUnderline(
    {required LddPrinter that, required LddUnderlineMode mode});