presto-base-jdbc/src/main/java/io/prestosql/plugin/jdbc/jmx/StatisticsAwareJdbcClient.java/StatisticsAwareJdbcClient/getSplits
class StatisticsAwareJdbcClient:    @Override
    public ConnectorSplitSource getSplits(JdbcIdentity identity, JdbcTableHandle layoutHandle)
    {
        return stats.getSplits.wrap(() -> getDelegate().getSplits(identity, layoutHandle));
    }