String[] names = getParameterNames(world); if (names != null) pName = names[0];
	private String getHandlerSignatureString(World world) {        StringBuffer buf = new StringBuffer();        buf.append(makeString(0));        buf.append('-');        //buf.append(getName());        buf.append('-');        buf.append(makeString(getDeclaringType()));        buf.append('-');        buf.append(makeString(getParameterTypes()[0]));        buf.append('-');        //XXX we don't actually try to find the handler parameter name        //XXX it probably wouldn't be too hard        String pName = "<missing>";        //String[] pNames = getParameterNames(world);        //if (pNames != null) pName = pNames[0];        buf.append(pName);        buf.append('-');        return buf.toString();	}