import 'dart:io'; class DOFiles { File doPaymentFile, storageChargeFile, licenseFile; bool doFileChanged = false, storageFileChanged = false, licenseFileChanged = false; set setDoPaymentFile(File file) { doPaymentFile = file; doFileChanged = true; } set setStorageChargeFile(File file) { storageChargeFile = file; storageFileChanged = true; } set setlicenseFile(File file) { licenseFile = file; licenseFileChanged = true; } bool get anyChanged => doFileChanged || storageFileChanged || licenseFileChanged; }