toJson method
Implementation
Map<String, dynamic> toJson() => {
"authority": authority?.toJson(),
"dateOfBirth": dateOfBirth?.toJson(),
"dateOfExpiry": dateOfExpiry?.toJson(),
"documentNumber": documentNumber?.toJson(),
"firstName": firstName?.toJson(),
"lastName": lastName?.toJson(),
"nationality": nationality?.toJson(),
"personalNumber": personalNumber?.toJson(),
};