FactoryInterface.php

<?php

namespace Drupal\Component\Plugin\Factory;


/**
 * Factory interface implemented by all plugin factories.
 */
interface FactoryInterface {
    
    /**
     * Creates a pre-configured instance of a plugin.
     *
     * @param string $plugin_id
     *   The ID of the plugin being instantiated.
     * @param array $configuration
     *   An array of configuration relevant to the plugin instance.
     *
     * @return object
     *   A fully configured plugin instance.
     *
     * @throws \Drupal\Component\Plugin\Exception\PluginException
     *   If the instance cannot be created, such as if the ID is invalid.
     */
    public function createInstance($plugin_id, array $configuration = []);

}