src/main/java/com/netflix/imflibrary/app/IMFTrackFileReader.java [359:388]:
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    private PartitionPack getPartitionPack(long resourceOffset) throws IOException
    {
        long archiveFileSize = this.resourceByteRangeProvider.getResourceSize();
        KLVPacket.Header header;
        {//logic to provide as an input stream the portion of the archive that contains PartitionPack KLVPacker Header
            long rangeEnd = resourceOffset +
                    (KLVPacket.KEY_FIELD_SIZE + KLVPacket.LENGTH_FIELD_SUFFIX_MAX_SIZE) -1;
            rangeEnd = rangeEnd < (archiveFileSize - 1) ? rangeEnd : (archiveFileSize - 1);

            File fileWithPartitionPackKLVPacketHeader = this.resourceByteRangeProvider.getByteRange(resourceOffset, rangeEnd, this.workingDirectory);
            ByteProvider byteProvider = this.getByteProvider(fileWithPartitionPackKLVPacketHeader);
            header = new KLVPacket.Header(byteProvider, resourceOffset);
        }

        PartitionPack partitionPack;
        {//logic to provide as an input stream the portion of the archive that contains a PartitionPack and next KLV header

            long rangeEnd = resourceOffset +
                    (KLVPacket.KEY_FIELD_SIZE + header.getLSize() + header.getVSize()) +
                    (KLVPacket.KEY_FIELD_SIZE + KLVPacket.LENGTH_FIELD_SUFFIX_MAX_SIZE) +
                    -1;
            rangeEnd = rangeEnd < (archiveFileSize - 1) ? rangeEnd : (archiveFileSize - 1);

            File fileWithPartitionPack = this.resourceByteRangeProvider.getByteRange(resourceOffset, rangeEnd, this.workingDirectory);
            ByteProvider byteProvider = this.getByteProvider(fileWithPartitionPack);
            partitionPack = new PartitionPack(byteProvider, resourceOffset, true);

        }

        return partitionPack;
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src/main/java/com/netflix/imflibrary/app/MXFEssenceReader.java [200:229]:
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    private PartitionPack getPartitionPack(long resourceOffset) throws IOException
    {
        long archiveFileSize = this.resourceByteRangeProvider.getResourceSize();
        KLVPacket.Header header;
        {//logic to provide as an input stream the portion of the archive that contains PartitionPack KLVPacker Header
            long rangeEnd = resourceOffset +
                    (KLVPacket.KEY_FIELD_SIZE + KLVPacket.LENGTH_FIELD_SUFFIX_MAX_SIZE) -1;
            rangeEnd = rangeEnd < (archiveFileSize - 1) ? rangeEnd : (archiveFileSize - 1);

            File fileWithPartitionPackKLVPacketHeader = this.resourceByteRangeProvider.getByteRange(resourceOffset, rangeEnd, this.workingDirectory);
            ByteProvider byteProvider = this.getByteProvider(fileWithPartitionPackKLVPacketHeader);
            header = new KLVPacket.Header(byteProvider, resourceOffset);
        }

        PartitionPack partitionPack;
        {//logic to provide as an input stream the portion of the archive that contains a PartitionPack and next KLV header

            long rangeEnd = resourceOffset +
                    (KLVPacket.KEY_FIELD_SIZE + header.getLSize() + header.getVSize()) +
                    (KLVPacket.KEY_FIELD_SIZE + KLVPacket.LENGTH_FIELD_SUFFIX_MAX_SIZE) +
                    -1;
            rangeEnd = rangeEnd < (archiveFileSize - 1) ? rangeEnd : (archiveFileSize - 1);

            File fileWithPartitionPack = this.resourceByteRangeProvider.getByteRange(resourceOffset, rangeEnd, this.workingDirectory);
            ByteProvider byteProvider = this.getByteProvider(fileWithPartitionPack);
            partitionPack = new PartitionPack(byteProvider, resourceOffset, true);

        }

        return partitionPack;
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