toJson method

Map<String, dynamic> toJson()

Implementation

Map<String, dynamic> toJson() {
  final aggregators = this.aggregators;
  final expression = this.expression;
  final groups = this.groups;
  return {
    if (aggregators != null) 'Aggregators': aggregators,
    if (expression != null) 'Expression': expression,
    if (groups != null) 'Groups': groups,
  };
}