presto-jmx/src/main/java/io/prestosql/plugin/jmx/JmxRecordSetProvider.java/JmxRecordSetProvider/getLiveRows
class JmxRecordSetProvider:    private List<List<Object>> getLiveRows(JmxTableHandle tableHandle, List<? extends ColumnHandle> columns)
            throws JMException
    {
        ImmutableList.Builder<List<Object>> rows = ImmutableList.builder();
        for (String objectName : tableHandle.getObjectNames()) {
            rows.add(getLiveRow(objectName, columns, 0));
        }
        return rows.build();
    }