diff --git a/core/modules/book/book.module b/core/modules/book/book.module
index e530e6f..cee5ae0 100644
--- a/core/modules/book/book.module
+++ b/core/modules/book/book.module
@@ -6,7 +6,7 @@
  */
 
 use Drupal\Core\Entity\EntityInterface;
-use Drupal\node\Plugin\Core\Entity\NodeType;
+use Drupal\node\NodeTypeInterface;
 use Drupal\entity\Plugin\Core\Entity\EntityDisplay;
 use Drupal\Core\Template\Attribute;
 use Drupal\menu_link\Plugin\Core\Entity\MenuLink;
@@ -1237,7 +1237,7 @@ function book_type_is_allowed($type) {
  * Updates book.settings configuration object if the machine-readable name of a
  * node type is changed.
  */
-function book_node_type_update(NodeType $type) {
+function book_node_type_update(NodeTypeInterface $type) {
   if ($type->original->id() != $type->id()) {
     $config = config('book.settings');
     // Update the list of node types that are allowed to be added to books.
diff --git a/core/modules/comment/comment.module b/core/modules/comment/comment.module
index 0f306fd..c270945 100644
--- a/core/modules/comment/comment.module
+++ b/core/modules/comment/comment.module
@@ -9,7 +9,7 @@
  * book page, etc.
  */
 
-use Drupal\node\Plugin\Core\Entity\NodeType;
+use Drupal\node\NodeTypeInterface;
 use Drupal\entity\Plugin\Core\Entity\EntityDisplay;
 use Drupal\file\Plugin\Core\Entity\File;
 use Drupal\Core\Entity\EntityInterface;
@@ -320,7 +320,7 @@ function comment_node_type_insert($info) {
 /**
  * Implements hook_node_type_update().
  */
-function comment_node_type_update(NodeType $type) {
+function comment_node_type_update(NodeTypeInterface $type) {
   if ($type->original->id() != $type->id()) {
     entity_invoke_bundle_hook('rename', 'comment', 'comment_node_' . $type->original->id(), 'comment_node_' . $type->id());
   }
diff --git a/core/modules/language/language.module b/core/modules/language/language.module
index b92aafd..127b0de 100644
--- a/core/modules/language/language.module
+++ b/core/modules/language/language.module
@@ -5,7 +5,7 @@
  * Add language handling functionality to Drupal.
  */
 
-use Drupal\node\Plugin\Core\Entity\NodeType;
+use Drupal\node\NodeTypeInterface;
 
 /**
  * Implements hook_help().
@@ -424,7 +424,7 @@ function language_get_default_configuration_settings_key($entity_type, $bundle)
 /**
  * Implements hook_node_type_update().
  */
-function language_node_type_update(NodeType $type) {
+function language_node_type_update(NodeTypeInterface $type) {
   if ($type->original->id() != $type->id()) {
     language_save_default_configuration('node', $type->id(), language_get_default_configuration('node', $type->original->id()));
     language_clear_default_configuration('node', $type->original->id());
diff --git a/core/modules/node/content_types.inc b/core/modules/node/content_types.inc
index 098a651..6716d81 100644
--- a/core/modules/node/content_types.inc
+++ b/core/modules/node/content_types.inc
@@ -5,7 +5,7 @@
  * Content type editing user interface.
  */
 
-use Drupal\node\Plugin\Core\Entity\NodeType;
+use Drupal\node\NodeTypeInterface;
 
 /**
  * Page callback: Displays the content type admin overview page.
@@ -36,7 +36,7 @@ function node_type_add() {
 /**
  * Page callback: Presents the node type edit form.
  *
- * @param \Drupal\node\Plugin\Core\Entity\NodeType $type
+ * @param \Drupal\node\NodeTypeInterface $type
  *   The node type to edit.
  *
  * @return array
@@ -44,7 +44,7 @@ function node_type_add() {
  *
  * @see node_menu()
  */
-function node_type_edit(NodeType $type) {
+function node_type_edit(NodeTypeInterface $type) {
   drupal_set_title(t('Edit %label content type', array('%label' => $type->label())), PASS_THROUGH);
   return entity_get_form($type);
 }
@@ -65,7 +65,7 @@ function _node_characters($length) {
 /**
  * Page callback: Form constructor for the content type delete form.
  *
- * @param \Drupal\node\Plugin\Core\Entity\NodeType $type
+ * @param \Drupal\node\NodeTypeInterface $type
  *   A node type entity.
  *
  * @return
@@ -74,7 +74,7 @@ function _node_characters($length) {
  * @see node_type_delete_confirm_submit()
  * @ingroup forms
  */
-function node_type_delete_confirm($form, &$form_state, NodeType $type) {
+function node_type_delete_confirm($form, &$form_state, NodeTypeInterface $type) {
   $form_state['entity'] = $type;
   $form['type'] = array('#type' => 'value', '#value' => $type->id());
 
diff --git a/core/modules/node/lib/Drupal/node/NodeTypeInterface.php b/core/modules/node/lib/Drupal/node/NodeTypeInterface.php
new file mode 100644
index 0000000..e9da791
--- /dev/null
+++ b/core/modules/node/lib/Drupal/node/NodeTypeInterface.php
@@ -0,0 +1,29 @@
+<?php
+
+/**
+ * @file
+ * Contains \Drupal\node\NodeTypeInterface.
+ */
+
+namespace Drupal\node;
+
+use Drupal\Core\Config\Entity\ConfigEntityInterface;
+
+/**
+ * Provides an interface defining a node type entity.
+ */
+interface NodeInterface extends ConfigEntityInterface {
+
+  /**
+   * Returns the configured Node settings of a given module, if any.
+   *
+   * @param string $module
+   *   The name of the module whose settings to return.
+   *
+   * @return array
+   *   An associative array containing the module's Node settings. Note that
+   *   this can be empty, and default values do not necessarily exist.
+   */
+  public function getNodeSettings($module);
+
+}
diff --git a/core/modules/node/lib/Drupal/node/Plugin/Core/Entity/NodeType.php b/core/modules/node/lib/Drupal/node/Plugin/Core/Entity/NodeType.php
index aab4aaf..f5e1559 100644
--- a/core/modules/node/lib/Drupal/node/Plugin/Core/Entity/NodeType.php
+++ b/core/modules/node/lib/Drupal/node/Plugin/Core/Entity/NodeType.php
@@ -8,6 +8,7 @@
 namespace Drupal\node\Plugin\Core\Entity;
 
 use Drupal\Core\Config\Entity\ConfigEntityBase;
+use Drupal\node\NodeTypeInterface;
 use Drupal\Core\Entity\Annotation\EntityType;
 use Drupal\Core\Annotation\Translation;
 
@@ -33,7 +34,7 @@
  *   }
  * )
  */
-class NodeType extends ConfigEntityBase {
+class NodeType extends ConfigEntityBase implements NodeTypeInterface {
 
   /**
    * The machine name of this node type.
@@ -194,14 +195,7 @@ public function uri() {
   }
 
   /**
-   * Returns the configured Node settings of a given module, if any.
-   *
-   * @param string $module
-   *   The name of the module whose settings to return.
-   *
-   * @return array
-   *   An associative array containing the module's Node settings. Note that
-   *   this can be empty, and default values do not necessarily exist.
+   * {@inheritdoc}
    */
   public function getNodeSettings($module) {
     if (isset($this->settings[$module]) && is_array($this->settings[$module])) {
diff --git a/core/modules/node/node.api.php b/core/modules/node/node.api.php
index 4bc7875..d3832b1 100644
--- a/core/modules/node/node.api.php
+++ b/core/modules/node/node.api.php
@@ -1046,20 +1046,20 @@ function hook_ranking() {
 /**
  * Respond to node type creation.
  *
- * @param \Drupal\node\Plugin\Core\Entity\NodeType $type
+ * @param \Drupal\node\NodeTypeInterface $type
  *   The node type entity that was created.
  */
-function hook_node_type_insert(\Drupal\node\Plugin\Core\Entity\NodeType $type) {
+function hook_node_type_insert(\Drupal\node\NodeTypeInterface $type) {
   drupal_set_message(t('You have just created a content type with a machine name %type.', array('%type' => $type->id())));
 }
 
 /**
  * Respond to node type updates.
  *
- * @param \Drupal\node\Plugin\Core\Entity\NodeType $type
+ * @param \Drupal\node\NodeTypeInterface $type
  *   The node type entity that was updated.
  */
-function hook_node_type_update(\Drupal\node\Plugin\Core\Entity\NodeType $type) {
+function hook_node_type_update(\Drupal\node\NodeTypeInterface $type) {
   if ($type->original->id() != $type->id()) {
     $setting = variable_get('comment_' . $type->original->id(), COMMENT_NODE_OPEN);
     variable_del('comment_' . $type->original->id());
@@ -1070,10 +1070,10 @@ function hook_node_type_update(\Drupal\node\Plugin\Core\Entity\NodeType $type) {
 /**
  * Respond to node type deletion.
  *
- * @param \Drupal\node\Plugin\Core\Entity\NodeType $type
+ * @param \Drupal\node\NodeTypeInterface $type
  *   The node type entity that was deleted.
  */
-function hook_node_type_delete(\Drupal\node\Plugin\Core\Entity\NodeType $type) {
+function hook_node_type_delete(\Drupal\node\NodeTypeInterface $type) {
   variable_del('comment_' . $type->id());
 }
 
diff --git a/core/modules/node/node.module b/core/modules/node/node.module
index ce30e81..4ee35ca 100644
--- a/core/modules/node/node.module
+++ b/core/modules/node/node.module
@@ -15,7 +15,7 @@
 use Drupal\Core\Database\Query\SelectExtender;
 use Drupal\Core\Database\Query\SelectInterface;
 use Drupal\Core\Datetime\DrupalDateTime;
-use Drupal\node\Plugin\Core\Entity\NodeType;
+use Drupal\node\NodeTypeInterface;
 use Drupal\Core\Entity\EntityInterface;
 use Drupal\Core\Template\Attribute;
 use Drupal\entity\Plugin\Core\Entity\EntityDisplay;
@@ -409,13 +409,13 @@ function node_get_type_label(Entityinterface $node) {
 /**
  * Description callback: Returns the node type description.
  *
- * @param \Drupal\node\Plugin\Core\Entity\NodeType $node_type
+ * @param \Drupal\node\NodeTypeInterface $node_type
  *   The node type object.
  *
  * @return string
  *   The node type description.
  */
-function node_type_get_description(NodeType $node_type) {
+function node_type_get_description(NodeTypeInterface $node_type) {
   return $node_type->description;
 }
 
@@ -434,7 +434,7 @@ function node_types_rebuild() {
  * @param $name
  *   The machine name of a node type to load.
  *
- * @return \Drupal\node\Plugin\Core\Entity\NodeType
+ * @return \Drupal\node\NodeTypeInterface
  *   A node type object or FALSE if $name does not exist.
  */
 function node_type_load($name) {
@@ -444,7 +444,7 @@ function node_type_load($name) {
 /**
  * Adds the default body field to a node type.
  *
- * @param \Drupal\node\Plugin\Core\Entity\NodeType $type
+ * @param \Drupal\node\NodeTypeInterface $type
  *   A node type object.
  * @param $label
  *   (optional) The label for the body instance.
@@ -452,7 +452,7 @@ function node_type_load($name) {
  * @return
  *   Body field instance.
  */
-function node_add_body_field(NodeType $type, $label = 'Body') {
+function node_add_body_field(NodeTypeInterface $type, $label = 'Body') {
    // Add or remove the body field, as needed.
   $field = field_info_field('body');
   $instance = field_info_instance('node', 'body', $type->id());