toJson method
Implementation
core.Map<core.String, core.dynamic> toJson() => {
if (greaterThanOperatorName != null)
'greaterThanOperatorName': greaterThanOperatorName!,
if (lessThanOperatorName != null)
'lessThanOperatorName': lessThanOperatorName!,
if (operatorName != null) 'operatorName': operatorName!,
};