Lucene.Net.Codecs.BlockTerms.BlockTermsReader.SeekDir C# (CSharp) Method

        private void SeekDir(IndexInput input, long dirOffset)
        {
            if (_version >= BlockTermsWriter.VERSION_CHECKSUM)
            {
                input.Seek(input.Length() - CodecUtil.FooterLength() - 8);
                dirOffset = input.ReadLong();
            }
            else if (_version >= BlockTermsWriter.VERSION_APPEND_ONLY)
            {
                input.Seek(input.Length() - 8);
                dirOffset = input.ReadLong();
            }
            input.Seek(dirOffset);
        }