SourceMetricsBucket
bucketStartinteger<int64>required
failureCountinteger<int64>required
fetchedSuminteger,null<int64>nullable
newSuminteger,null<int64>nullable
skippedCountinteger<int64>required
successCountinteger<int64>required
SourceMetricsBucket
{
"bucketStart": 0,
"failureCount": 0,
"fetchedSum": 0,
"newSum": 0,
"skippedCount": 0,
"successCount": 0
}