toJson method
Implementation
core.Map<core.String, core.dynamic> toJson() => {
if (indexPruningStats != null) 'indexPruningStats': indexPruningStats!,
if (indexUnusedReasons != null) 'indexUnusedReasons': indexUnusedReasons!,
if (indexUsageMode != null) 'indexUsageMode': indexUsageMode!,
};