presto-iceberg/src/main/java/io/prestosql/plugin/iceberg/SnapshotsTable.java/SnapshotsTable/checkNonNull
class SnapshotsTable:    private static boolean checkNonNull(Object object, PageListBuilder pagesBuilder)
    {
        if (object == null) {
            pagesBuilder.appendNull();
            return false;
        }
        return true;
    }