toJson method
Implementation
Map<String, dynamic> toJson() => {
'gender': gender,
'country': country,
'mrz_text': mrzText,
'full_name': fullName,
'document_no': documentNo,
'expiry_date': expiryDate,
'nationality': nationality,
'date_of_birth': dateOfBirth,
'document_type': documentType,
'card_number': cardNumber,
};