toJson method
Implementation
Map<String, dynamic> toJson() {
final _json = <String, dynamic>{};
if (apn != null) {
_json[r'apn'] = apn;
}
if (number != null) {
_json[r'number'] = number;
}
if (username != null) {
_json[r'username'] = username;
}
if (password != null) {
_json[r'password'] = password;
}
return _json;
}