docs: public static int compare(XtendParameter p1, XtendParameter p2) {
  		if (p1 != p2) {
  			if (p1 == null) {
  				return Integer.MIN_VALUE;
  			}
  			if (p2 == null) {
  				return Integer.MAX_VALUE;
  			}
  			final JvmTypeReference t1 = p1.getParameterType();
  			final JvmTypeReference t2 = p2.getParameterType();
  			if (t1 != t2) {
  				final int cmp;
  				if (t1 == null) {
  					cmp = Integer.MIN_VALUE;
  				} else if (t2 == null) {
  					cmp = Integer.MAX_VALUE;
  				} else {
  					cmp = t1.getIdentifier().compareTo(t2.getIdentifier());
  				}
  				if (cmp != 0) {
  					return cmp;
  				}
  			}
  		}
  		return 0;
  	}