presto-main/src/main/java/io/prestosql/execution/MemoryRevokingScheduler.java/MemoryRevokingScheduler/registerPoolListeners
class MemoryRevokingScheduler:    @VisibleForTesting
    void registerPoolListeners()
    {
        memoryPools.forEach(memoryPool -> memoryPool.addListener(memoryPoolListener));
    }