toJson method
Implementation
core.Map<core.String, core.dynamic> toJson() => {
if (aggregation != null) 'aggregation': aggregation!,
if (category != null) 'category': category!,
if (derived != null) 'derived': derived!,
if (displayLabel != null) 'displayLabel': displayLabel!,
if (hasNonzeroData != null) 'hasNonzeroData': hasNonzeroData!,
if (hotValue != null) 'hotValue': hotValue!,
if (indexedHotKeys != null) 'indexedHotKeys': indexedHotKeys!,
if (indexedKeyRangeInfos != null)
'indexedKeyRangeInfos': indexedKeyRangeInfos!,
if (info != null) 'info': info!,
if (matrix != null) 'matrix': matrix!,
if (unit != null) 'unit': unit!,
if (visible != null) 'visible': visible!,
};