Drupal 8.0.0 beta 12. More info: https://www.drupal.org/node/2514176

core/lib/Drupal/Component/Plugin/PluginInspectionInterface.php

@@ -0,0 +1,36 @@
+<?php
+/**
+ * @file
+ * Contains \Drupal\Component\Plugin\PluginInspectionInterface.
+ */
+
+namespace Drupal\Component\Plugin;
+
+/**
+ * Plugin interface for providing some metadata inspection.
+ *
+ * This interface provides some simple tools for code receiving a plugin to
+ * interact with the plugin system.
+ *
+ * @ingroup plugin_api
+ */
+interface PluginInspectionInterface {
+
+  /**
+   * Gets the plugin_id of the plugin instance.
+   *
+   * @return string
+   *   The plugin_id of the plugin instance.
+   */
+  public function getPluginId();
+
+  /**
+   * Gets the definition of the plugin implementation.
+   *
+   * @return array
+   *   The plugin definition, as returned by the discovery object used by the
+   *   plugin manager.
+   */
+  public function getPluginDefinition();
+
+}