presto-main/src/main/java/io/prestosql/execution/buffer/PageCodecMarker.java/PageCodecMarker/PageCodecMarker
class PageCodecMarker:    PageCodecMarker(int bit)
    {
        checkArgument(bit > 0 && bit <= 8, "PageCodecMarker bit must be between 1 and 8. Found: %s", bit);
        this.mask = (1 << (bit - 1));
    }