toJson method
Implementation
core.Map<core.String, core.dynamic> toJson() => {
if (angle != null) 'angle': angle!,
if (bottomOffset != null) 'bottomOffset': bottomOffset!,
if (leftOffset != null) 'leftOffset': leftOffset!,
if (rightOffset != null) 'rightOffset': rightOffset!,
if (topOffset != null) 'topOffset': topOffset!,
};