toJson method
Implementation
@override
Map<String, dynamic> toJson() => {
'shape': 'path',
if (strokeColor != null) 'strokeColor': strokeColor.toString(),
if (strokeSize != null) 'strokeSize': strokeSize,
if (fillColor != null) 'fillColor': fillColor.toString(),
'paths': _paths.map((e) => e.toJson()).toList(),
};