toJson method
Implementation
core.Map<core.String, core.dynamic> toJson() => {
if (anchorCell != null) 'anchorCell': anchorCell!,
if (heightPixels != null) 'heightPixels': heightPixels!,
if (offsetXPixels != null) 'offsetXPixels': offsetXPixels!,
if (offsetYPixels != null) 'offsetYPixels': offsetYPixels!,
if (widthPixels != null) 'widthPixels': widthPixels!,
};