toJson method
Implementation
Map<String, dynamic> toJson() => {
'startTimeUnixNano': startTimeUnixNano,
'timeUnixNano': timeUnixNano,
'count': count,
if (sum != null) 'sum': sum,
if (min != null) 'min': min,
if (max != null) 'max': max,
if (bucketCounts.isNotEmpty) 'bucketCounts': bucketCounts,
if (explicitBounds.isNotEmpty) 'explicitBounds': explicitBounds,
if (attributes.isNotEmpty)
'attributes': attributes.map((a) => a.toJson()).toList(),
};