question: public ResultT extractLatestAttempted ( ) { ArrayList < UpdateT > updates = new ArrayList < > ( inflightAttempted . size ( ) + 1 ) ; synchronized ( attemptedLock ) { updates . add ( finishedAttempted ) ; updates . addAll ( inflightAttempted . values ( ) ) ; } return aggregation . extract ( aggregation . combine ( updates ) ) ; }
target:  Extract the latest values from all attempted and in-progress bundles. 