presto-main/src/main/java/io/prestosql/operator/JoinBridgeManager.java/TaskWideInternalJoinBridgeDataManager/probeOperatorCreated
class TaskWideInternalJoinBridgeDataManager:        @Override
        public void probeOperatorCreated(Lifespan lifespan)
        {
            checkArgument(Lifespan.taskWide().equals(lifespan));
            joinLifecycle.retainForProbe();
        }