Listing 11.3. Interfejs, który implementują klasy wtyczek
interface Zend_Application_Resource_Resource
{
    public function __construct($options = null);
    public function setBootstrap(Zend_Application_Bootstrap_Bootstrapper $bootstrap);
    public function getBootstrap();
    public function setOptions(array $options);
    public function getOptions();
    public function init();
}