presto-main/src/main/java/io/prestosql/sql/gen/OrderingCompiler.java/OrderingCompiler/getPageWithPositionsComparatorsStats
class OrderingCompiler:    @Managed
    @Nested
    public CacheStatsMBean getPageWithPositionsComparatorsStats()
    {
        return new CacheStatsMBean(pageWithPositionComparators);
    }