toJson method

Map<String, dynamic> toJson()

Implementation

core.Map<core.String, core.dynamic> toJson() => {
      if (count != null) 'count': count!,
      if (field != null) 'field': field!,
      if (frequency != null) 'frequency': frequency!,
      if (histogram != null) 'histogram': histogram!,
      if (sum != null) 'sum': sum!,
    };