toJson method
Implementation
core.Map<core.String, core.dynamic> toJson() => {
if (cache != null) 'cache': cache!,
if (customFeatures != null) 'customFeatures': customFeatures!,
if (cycle != null) 'cycle': cycle!,
if (increment != null) 'increment': increment!,
if (maxValue != null) 'maxValue': maxValue!,
if (minValue != null) 'minValue': minValue!,
if (startValue != null) 'startValue': startValue!,
};