updateSpan method
Implementation
@override
int updateSpan(String spanId, String endTime, String attributesJson) =>
exportTrace(
'{"span_id":"$spanId",'
'"end_time":"$endTime",'
'"attributes":$attributesJson}',
);
@override
int updateSpan(String spanId, String endTime, String attributesJson) =>
exportTrace(
'{"span_id":"$spanId",'
'"end_time":"$endTime",'
'"attributes":$attributesJson}',
);