presto-hive/src/main/java/io/prestosql/plugin/hive/metastore/cache/CachingHiveMetastoreConfig.java/CachingHiveMetastoreConfig/getMaxMetastoreRefreshThreads
class CachingHiveMetastoreConfig:    @Min(1)
    public int getMaxMetastoreRefreshThreads()
    {
        return maxMetastoreRefreshThreads;
    }