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

core/lib/Drupal/Component/Annotation/AnnotationInterface.php

@@ -0,0 +1,55 @@
+<?php
+
+/**
+ * @file
+ * Contains \Drupal\Component\Annotation\AnnotationInterface.
+ */
+
+namespace Drupal\Component\Annotation;
+
+/**
+ * Defines a common interface for classed annotations.
+ */
+interface AnnotationInterface {
+
+  /**
+   * Gets the value of an annotation.
+   */
+  public function get();
+
+  /**
+   * Gets the name of the provider of the annotated class.
+   *
+   * @return string
+   */
+  public function getProvider();
+
+  /**
+   * Sets the name of the provider of the annotated class.
+   *
+   * @param string $provider
+   */
+  public function setProvider($provider);
+
+  /**
+   * Gets the unique ID for this annotated class.
+   *
+   * @return string
+   */
+  public function getId();
+
+  /**
+   * Gets the class of the annotated class.
+   *
+   * @return string
+   */
+  public function getClass();
+
+  /**
+   * Sets the class of the annotated class.
+   *
+   * @param string $class
+   */
+  public function setClass($class);
+
+}