toJson method
Implementation
Map<String, Object> toJson() => {
"type": type.index,
if (fontSize != null) "size": fontSize!,
if (color != null) "color": color!.value,
if (fontStyle != null) "italic": fontStyle == flutter.FontStyle.italic,
if (fontWeight != null) "weight": fontWeight!.value,
if (letterSpacing != null) "letterSpacing": letterSpacing!,
};