presto-iceberg/src/main/java/io/prestosql/plugin/iceberg/SnapshotsTable.java/SnapshotsTable/pageSource
class SnapshotsTable:    @Override
    public ConnectorPageSource pageSource(ConnectorTransactionHandle transactionHandle, ConnectorSession session, TupleDomain<Integer> constraint)
    {
        return new FixedPageSource(buildPages(tableMetadata, session, icebergTable));
    }