protected void unresolve() throws PluginException { final ExtensionPointModel ep = (ExtensionPointModel) getDeclaringPluginDescriptor().getPluginRegistry().getExtensionPoint(point);
protected void unresolve(PluginRegistryModel registry) throws PluginException { final ExtensionPointModel ep = (ExtensionPointModel) registry.getExtensionPoint(point);
	protected void unresolve() throws PluginException {		final ExtensionPointModel ep = (ExtensionPointModel) getDeclaringPluginDescriptor().getPluginRegistry().getExtensionPoint(point);		if (ep == null) {			throw new PluginException("Unknown extension-point " + point);		} else {			ep.remove(this);		}	    	}