presto-main/src/main/java/io/prestosql/operator/PagesHash.java/PagesHash/appendTo
class PagesHash:    public void appendTo(long position, PageBuilder pageBuilder, int outputChannelOffset)
    {
        long pageAddress = addresses.getLong(toIntExact(position));
        int blockIndex = decodeSliceIndex(pageAddress);
        int blockPosition = decodePosition(pageAddress);

        pagesHashStrategy.appendTo(blockIndex, blockPosition, pageBuilder, outputChannelOffset);
    }