presto-orc/src/main/java/io/prestosql/orc/metadata/PostScript.java/PostScript/PostScript
class PostScript:    public PostScript(List<Integer> version, long footerLength, long metadataLength, CompressionKind compression, long compressionBlockSize, HiveWriterVersion hiveWriterVersion)
    {
        this.version = ImmutableList.copyOf(requireNonNull(version, "version is null"));
        this.footerLength = footerLength;
        this.metadataLength = metadataLength;
        this.compression = requireNonNull(compression, "compressionKind is null");
        this.compressionBlockSize = compressionBlockSize;
        this.hiveWriterVersion = requireNonNull(hiveWriterVersion, "hiveWriterVersion is null");
    }