toJson method
Implementation
core.Map<core.String, core.dynamic> toJson() => {
if (brightness != null) 'brightness': brightness!,
if (contrast != null) 'contrast': contrast!,
if (cropProperties != null) 'cropProperties': cropProperties!,
if (link != null) 'link': link!,
if (outline != null) 'outline': outline!,
if (recolor != null) 'recolor': recolor!,
if (shadow != null) 'shadow': shadow!,
if (transparency != null) 'transparency': transparency!,
};