OutputStatsEvent

 { 
 "name" 
 : 
 string 
 , 
 "output_type" 
 : 
 string 
 , 
 "uploaded" 
 : 
 { 
 object (  LogEntryBatchMetrics 
 
) 
 } 
 , 
 "backlog" 
 : 
 { 
 object (  LogEntryBatchMetrics 
 
) 
 } 
 , 
 "backlog_dropped" 
 : 
 { 
 object (  LogEntryBatchMetrics 
 
) 
 } 
 , 
 "buffer_stats" 
 : 
 { 
 object (  BufferStats 
 
) 
 } 
 }