static private Callback newCallback (String method, int argCount) { Callback callback = new Callback (AccessibleFactory.class, method, argCount);
static private Callback newCallback (Object object, String method, int argCount) { Callback callback = new Callback (object, method, argCount);
	static private Callback newCallback (String method, int argCount) {		Callback callback = new Callback (AccessibleFactory.class, method, argCount);		if (callback.getAddress () == 0) SWT.error (SWT.ERROR_NO_MORE_CALLBACKS);		return callback;	}