toJson method
Converts an object to JSON.
Implementation
@override
Map<String, dynamic> toJson() {
final returnValue = <String, dynamic>{
"\$hash": "aed6dbb2",
"\$name": "MaskCoords",
"n": n,
"x": x,
"y": y,
"zoom": zoom,
};
// Finished toJson.
return returnValue;
}