presto-main/src/main/java/io/prestosql/execution/resourcegroups/ResourceUsage.java/ResourceUsage/ResourceUsage
class ResourceUsage:    public ResourceUsage(long cpuUsageMillis, long memoryUsageBytes)
    {
        this.cpuUsageMillis = cpuUsageMillis;
        this.memoryUsageBytes = memoryUsageBytes;
    }