dispose method
void
dispose()
override
Implementation
void dispose() {
// amountController1?.dispose();
// accountNumberController?.dispose();
// beneficiaryNameController?.dispose();
// narrationController1?.dispose();
// usenameController1?.dispose();
// amountController2?.dispose();
// narrationController2?.dispose();
// usenameController2?.dispose();
// amountUssdAmountController?.dispose();
}