presto-base-jdbc/src/main/java/io/prestosql/plugin/jdbc/jmx/StatisticsAwareJdbcClient.java/StatisticsAwareJdbcClient/getSchemaNames
class StatisticsAwareJdbcClient:    @Override
    public Set<String> getSchemaNames(JdbcIdentity identity)
    {
        return stats.getSchemaNames.wrap(() -> getDelegate().getSchemaNames(identity));
    }