docs: public static InputStream streamFile(final File file, final long offset) throws IOException
    {
      final RandomAccessFile raf = new RandomAccessFile(file, "r");
      final long rafLength = raf.length();
      if (offset > 0) {
        raf.seek(offset);
      } else if (offset < 0 && offset < rafLength) {
        raf.seek(Math.max(0, rafLength + offset));
      }
      return Channels.newInputStream(raf.getChannel());
    }