presto-main/src/main/java/io/prestosql/memory/LowMemoryKiller.java/QueryMemoryInfo/QueryMemoryInfo
class QueryMemoryInfo:        public QueryMemoryInfo(QueryId queryId, MemoryPoolId memoryPoolId, long memoryReservation)
        {
            this.queryId = requireNonNull(queryId, "queryId is null");
            this.memoryPoolId = requireNonNull(memoryPoolId, "memoryPoolId is null");
            this.memoryReservation = memoryReservation;
        }