toJson method
Implementation
core.Map<core.String, core.dynamic> toJson() => {
if (performanceGoalAmountMicros != null)
'performanceGoalAmountMicros': performanceGoalAmountMicros!,
if (performanceGoalPercentageMicros != null)
'performanceGoalPercentageMicros': performanceGoalPercentageMicros!,
if (performanceGoalString != null)
'performanceGoalString': performanceGoalString!,
if (performanceGoalType != null)
'performanceGoalType': performanceGoalType!,
};