code: public static PcapPktHdr newInstance(final int caplen, final int len, final int tvSec, final long tvUsec) {
  		return new PcapPktHdr(caplen, len, tvSec, tvUsec);
  	}
docs: Create new PcapPktHdr instance.
  @param caplen capture length.
  @param len length.
  @param tvSec tv_sec.
  @param tvUsec tv_usec.
  @return returns PcapPktHdr.