toJson method
Implementation
core.Map<core.String, core.dynamic> toJson() => {
if (id != null) 'id': id!,
if (width != null) 'width': width!,
if (xCoordinate != null) 'xCoordinate': xCoordinate!,
if (yCoordinate != null) 'yCoordinate': yCoordinate!,
};