public TransferDataToMySqlViewModel(
     ISupermarketChainSQLServerData sqlServerData,
     ISupermarketChainMySQLData mysqlData)
 {
     this.sqlServerData = sqlServerData;
     this.mysqlData = mysqlData;
     this.transferingData = false;
 }
 public GenerateExpensesIncomesViewModel(
     ISupermarketChainMySQLData mysqlData,
     ISupermarketChainSQLiteData sqliteData,
     IIncomesExpensesGenerator generator)
 {
     this.mysqlData = mysqlData;
     this.sqliteData = sqliteData;
     this.generator = generator;
 }