public GVFVariantSequenceContextComponent copy(GVFVariant e) {
   GVFVariantSequenceContextComponent dst = e.new GVFVariantSequenceContextComponent();
   dst.fivePrime = fivePrime == null ? null : fivePrime.copy();
   dst.threePrime = threePrime == null ? null : threePrime.copy();
   return dst;
 }