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

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

@@ -0,0 +1,71 @@
+<?php
+
+/**
+ * @file
+ * Contains \Drupal\Component\Annotation\AnnotationBase.
+ */
+
+namespace Drupal\Component\Annotation;
+
+/**
+ * Provides a base class for classed annotations.
+ */
+abstract class AnnotationBase implements AnnotationInterface {
+
+  /**
+   * The annotated class ID.
+   *
+   * @var string
+   */
+  public $id;
+
+  /**
+   * The class used for this annotated class.
+   *
+   * @var string
+   */
+  protected $class;
+
+  /**
+   * The provider of the annotated class.
+   *
+   * @var string
+   */
+  protected $provider;
+
+  /**
+   * {@inheritdoc}
+   */
+  public function getProvider() {
+    return $this->provider;
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function setProvider($provider) {
+    $this->provider = $provider;
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function getId() {
+    return $this->id;
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function getClass() {
+    return $this->class;
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function setClass($class) {
+    $this->class = $class;
+  }
+
+}