toJson method
Implementation
core.Map<core.String, core.dynamic> toJson() => {
if (density != null) 'density': density!,
if (displayId != null) 'displayId': displayId!,
if (height != null) 'height': height!,
if (name != null) 'name': name!,
if (refreshRate != null) 'refreshRate': refreshRate!,
if (state != null) 'state': state!,
if (width != null) 'width': width!,
};