toJson method
Allows you to serialize object.
Implementation
Map<String, dynamic> toJson() => {
"sourceType": sourceType.value,
"fieldType": fieldType.value,
"fieldName": fieldName,
"light": light.value,
"lightName": lightName,
"pageIndex": pageIndex,
"originalPageIndex": originalPageIndex,
"value": _bytesToBase64(value),
"fieldRect": fieldRect?.toJson(),
}.clearNulls();