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;
}