toJson method
Implementation
core.Map<core.String, core.dynamic> toJson() => {
if (colorData != null) 'colorData': colorData!,
if (colorScale != null) 'colorScale': colorScale!,
if (headerColor != null) 'headerColor': headerColor!,
if (headerColorStyle != null) 'headerColorStyle': headerColorStyle!,
if (hideTooltips != null) 'hideTooltips': hideTooltips!,
if (hintedLevels != null) 'hintedLevels': hintedLevels!,
if (labels != null) 'labels': labels!,
if (levels != null) 'levels': levels!,
if (maxValue != null) 'maxValue': maxValue!,
if (minValue != null) 'minValue': minValue!,
if (parentLabels != null) 'parentLabels': parentLabels!,
if (sizeData != null) 'sizeData': sizeData!,
if (textFormat != null) 'textFormat': textFormat!,
};