diff --git a/core/modules/field/src/Plugin/migrate/process/FieldType.php b/core/modules/field/src/Plugin/migrate/process/FieldType.php
index ad070d0..7874f9c 100644
--- a/core/modules/field/src/Plugin/migrate/process/FieldType.php
+++ b/core/modules/field/src/Plugin/migrate/process/FieldType.php
@@ -3,12 +3,12 @@
 namespace Drupal\field\Plugin\migrate\process;
 
 use Drupal\Component\Plugin\Exception\PluginNotFoundException;
-use Drupal\Component\Plugin\PluginManagerInterface;
 use Drupal\Core\Plugin\ContainerFactoryPluginInterface;
 use Drupal\migrate\MigrateExecutableInterface;
 use Drupal\migrate\Plugin\MigrationInterface;
 use Drupal\migrate\Plugin\migrate\process\StaticMap;
 use Drupal\migrate\Row;
+use Drupal\migrate_drupal\Plugin\MigrateCckFieldPluginManagerInterface;
 use Symfony\Component\DependencyInjection\ContainerInterface;
 
 /**
@@ -21,7 +21,7 @@ class FieldType extends StaticMap implements ContainerFactoryPluginInterface {
   /**
    * The cckfield plugin manager.
    *
-   * @var \Drupal\Component\Plugin\PluginManagerInterface
+   * @var \Drupal\migrate_drupal\Plugin\MigrateCckFieldPluginManagerInterface
    */
   protected $cckPluginManager;
 
@@ -41,12 +41,12 @@ class FieldType extends StaticMap implements ContainerFactoryPluginInterface {
    *   The plugin ID.
    * @param mixed $plugin_definition
    *   The plugin definition.
-   * @param \Drupal\Component\Plugin\PluginManagerInterface $cck_plugin_manager
+   * @param \Drupal\migrate_drupal\Plugin\MigrateCckFieldPluginManagerInterface $cck_plugin_manager
    *   The cckfield plugin manager.
    * @param \Drupal\migrate\Plugin\MigrationInterface $migration
    *   The migration being run.
    */
-  public function __construct(array $configuration, $plugin_id, $plugin_definition, PluginManagerInterface $cck_plugin_manager, MigrationInterface $migration = NULL) {
+  public function __construct(array $configuration, $plugin_id, $plugin_definition, MigrateCckFieldPluginManagerInterface $cck_plugin_manager, MigrationInterface $migration = NULL) {
     parent::__construct($configuration, $plugin_id, $plugin_definition);
     $this->cckPluginManager = $cck_plugin_manager;
     $this->migration = $migration;
diff --git a/core/modules/migrate/src/Plugin/MigratePluginManager.php b/core/modules/migrate/src/Plugin/MigratePluginManager.php
index a51efda..8fd1644 100644
--- a/core/modules/migrate/src/Plugin/MigratePluginManager.php
+++ b/core/modules/migrate/src/Plugin/MigratePluginManager.php
@@ -21,7 +21,7 @@
  *
  * @ingroup migration
  */
-class MigratePluginManager extends DefaultPluginManager {
+class MigratePluginManager extends DefaultPluginManager implements MigratePluginManagerInterface {
 
   /**
    * Constructs a MigratePluginManager object.
@@ -49,8 +49,6 @@ public function __construct($type, \Traversable $namespaces, CacheBackendInterfa
 
   /**
    * {@inheritdoc}
-   *
-   * A specific createInstance method is necessary to pass the migration on.
    */
   public function createInstance($plugin_id, array $configuration = array(), MigrationInterface $migration = NULL) {
     $plugin_definition = $this->getDefinition($plugin_id);
diff --git a/core/modules/migrate/src/Plugin/MigratePluginManagerInterface.php b/core/modules/migrate/src/Plugin/MigratePluginManagerInterface.php
new file mode 100644
index 0000000..d6ed39f
--- /dev/null
+++ b/core/modules/migrate/src/Plugin/MigratePluginManagerInterface.php
@@ -0,0 +1,29 @@
+<?php
+
+namespace Drupal\migrate\Plugin;
+
+use Drupal\Component\Plugin\PluginManagerInterface;
+
+interface MigratePluginManagerInterface extends PluginManagerInterface {
+
+  /**
+   * Creates a pre-configured instance of a migration plugin.
+   *
+   * A specific createInstance method is necessary to pass the migration on.
+   *
+   * @param string $plugin_id
+   *   The ID of the plugin being instantiated.
+   * @param array $configuration
+   *   An array of configuration relevant to the plugin instance.
+   * @param \Drupal\migrate\Plugin\MigrationInterface $migration
+   *   The migration context in which the plugin will run.
+   *
+   * @return object
+   *   A fully configured plugin instance.
+   *
+   * @throws \Drupal\Component\Plugin\Exception\PluginException
+   *   If the instance cannot be created, such as if the ID is invalid.
+   */
+  public function createInstance($plugin_id, array $configuration = [], MigrationInterface $migration = NULL);
+
+}
diff --git a/core/modules/migrate/src/Plugin/Migration.php b/core/modules/migrate/src/Plugin/Migration.php
index 9f9b518..586b24d 100644
--- a/core/modules/migrate/src/Plugin/Migration.php
+++ b/core/modules/migrate/src/Plugin/Migration.php
@@ -275,16 +275,16 @@ class Migration extends PluginBase implements MigrationInterface, RequirementsIn
    *   The plugin definition.
    * @param \Drupal\migrate\Plugin\MigrationPluginManagerInterface $migration_plugin_manager
    *   The migration plugin manager.
-   * @param \Drupal\migrate\Plugin\MigratePluginManager $source_plugin_manager
+   * @param \Drupal\migrate\Plugin\MigratePluginManagerInterface $source_plugin_manager
    *   The source migration plugin manager.
-   * @param \Drupal\migrate\Plugin\MigratePluginManager $process_plugin_manager
+   * @param \Drupal\migrate\Plugin\MigratePluginManagerInterface $process_plugin_manager
    *   The process migration plugin manager.
    * @param \Drupal\migrate\Plugin\MigrateDestinationPluginManager $destination_plugin_manager
    *   The destination migration plugin manager.
-   * @param \Drupal\migrate\Plugin\MigratePluginManager $idmap_plugin_manager
+   * @param \Drupal\migrate\Plugin\MigratePluginManagerInterface $idmap_plugin_manager
    *   The ID map migration plugin manager.
    */
-  public function __construct(array $configuration, $plugin_id, $plugin_definition, MigrationPluginManagerInterface $migration_plugin_manager, MigratePluginManager $source_plugin_manager, MigratePluginManager $process_plugin_manager, MigrateDestinationPluginManager $destination_plugin_manager, MigratePluginManager $idmap_plugin_manager) {
+  public function __construct(array $configuration, $plugin_id, $plugin_definition, MigrationPluginManagerInterface $migration_plugin_manager, MigratePluginManagerInterface $source_plugin_manager, MigratePluginManagerInterface $process_plugin_manager, MigrateDestinationPluginManager $destination_plugin_manager, MigratePluginManagerInterface $idmap_plugin_manager) {
     parent::__construct($configuration, $plugin_id, $plugin_definition);
     $this->migrationPluginManager = $migration_plugin_manager;
     $this->sourcePluginManager = $source_plugin_manager;
diff --git a/core/modules/migrate/src/Plugin/migrate/process/Migration.php b/core/modules/migrate/src/Plugin/migrate/process/Migration.php
index c67c754..237af31 100644
--- a/core/modules/migrate/src/Plugin/migrate/process/Migration.php
+++ b/core/modules/migrate/src/Plugin/migrate/process/Migration.php
@@ -4,7 +4,7 @@
 
 use Drupal\Core\Plugin\ContainerFactoryPluginInterface;
 use Drupal\migrate\MigrateSkipProcessException;
-use Drupal\migrate\Plugin\MigratePluginManager;
+use Drupal\migrate\Plugin\MigratePluginManagerInterface;
 use Drupal\migrate\Plugin\MigrationPluginManagerInterface;
 use Drupal\migrate\Plugin\MigrateIdMapInterface;
 use Drupal\migrate\ProcessPluginBase;
@@ -39,7 +39,7 @@ class Migration extends ProcessPluginBase implements ContainerFactoryPluginInter
   /**
    * {@inheritdoc}
    */
-  public function __construct(array $configuration, $plugin_id, $plugin_definition, MigrationInterface $migration, MigrationPluginManagerInterface $migration_plugin_manager, MigratePluginManager $process_plugin_manager) {
+  public function __construct(array $configuration, $plugin_id, $plugin_definition, MigrationInterface $migration, MigrationPluginManagerInterface $migration_plugin_manager, MigratePluginManagerInterface $process_plugin_manager) {
     parent::__construct($configuration, $plugin_id, $plugin_definition);
     $this->migrationPluginManager = $migration_plugin_manager;
     $this->migration = $migration;
diff --git a/core/modules/migrate_drupal/src/Plugin/MigrateCckFieldPluginManager.php b/core/modules/migrate_drupal/src/Plugin/MigrateCckFieldPluginManager.php
index 7920040..d08505c 100644
--- a/core/modules/migrate_drupal/src/Plugin/MigrateCckFieldPluginManager.php
+++ b/core/modules/migrate_drupal/src/Plugin/MigrateCckFieldPluginManager.php
@@ -15,7 +15,7 @@
  *
  * @ingroup migration
  */
-class MigrateCckFieldPluginManager extends MigratePluginManager {
+class MigrateCckFieldPluginManager extends MigratePluginManager implements MigrateCckFieldPluginManagerInterface {
 
   /**
    * The default version of core to use for cck field plugins.
diff --git a/core/modules/migrate_drupal/src/Plugin/MigrateCckFieldPluginManagerInterface.php b/core/modules/migrate_drupal/src/Plugin/MigrateCckFieldPluginManagerInterface.php
new file mode 100644
index 0000000..19e93d1
--- /dev/null
+++ b/core/modules/migrate_drupal/src/Plugin/MigrateCckFieldPluginManagerInterface.php
@@ -0,0 +1,31 @@
+<?php
+
+namespace Drupal\migrate_drupal\Plugin;
+
+use Drupal\migrate\Plugin\MigratePluginManagerInterface;
+use Drupal\migrate\Plugin\MigrationInterface;
+
+interface MigrateCckFieldPluginManagerInterface extends MigratePluginManagerInterface {
+
+  /**
+   * Creates a pre-configured instance of a migration plugin.
+   *
+   * This createInstance method uses a field type instead of a plugin ID to
+   * create an instance of the plugin.
+   *
+   * @param string $field_type
+   *   The cck field type which is being migrated.
+   * @param array $configuration
+   *   An array of configuration relevant to the plugin instance.
+   * @param \Drupal\migrate\Plugin\MigrationInterface $migration
+   *   The migration context in which the plugin will run.
+   *
+   * @return object
+   *   A fully configured plugin instance.
+   *
+   * @throws \Drupal\Component\Plugin\Exception\PluginException
+   *   If the instance cannot be created, such as if the ID is invalid.
+   */
+  public function createInstance($field_type, array $configuration = [], MigrationInterface $migration = NULL);
+
+}
diff --git a/core/modules/migrate_drupal/src/Plugin/migrate/CckMigration.php b/core/modules/migrate_drupal/src/Plugin/migrate/CckMigration.php
index 4042ecd..017b7e7 100644
--- a/core/modules/migrate_drupal/src/Plugin/migrate/CckMigration.php
+++ b/core/modules/migrate_drupal/src/Plugin/migrate/CckMigration.php
@@ -6,10 +6,11 @@
 use Drupal\Core\Plugin\ContainerFactoryPluginInterface;
 use Drupal\migrate\Exception\RequirementsException;
 use Drupal\migrate\Plugin\MigrateDestinationPluginManager;
-use Drupal\migrate\Plugin\MigratePluginManager;
+use Drupal\migrate\Plugin\MigratePluginManagerInterface;
 use Drupal\migrate\Plugin\Migration;
 use Drupal\migrate\Plugin\MigrationPluginManagerInterface;
 use Drupal\migrate\Plugin\RequirementsInterface;
+use Drupal\migrate_drupal\Plugin\MigrateCckFieldPluginManagerInterface;
 use Symfony\Component\DependencyInjection\ContainerInterface;
 
 /**
@@ -41,7 +42,7 @@ class CckMigration extends Migration implements ContainerFactoryPluginInterface
   /**
    * The cckfield plugin manager.
    *
-   * @var \Drupal\migrate\Plugin\MigratePluginManager
+   * @var \Drupal\migrate_drupal\Plugin\MigrateCckFieldPluginManagerInterface
    */
   protected $cckPluginManager;
 
@@ -54,20 +55,20 @@ class CckMigration extends Migration implements ContainerFactoryPluginInterface
    *   The plugin ID.
    * @param mixed $plugin_definition
    *   The plugin definition.
-   * @param \Drupal\migrate\Plugin\MigratePluginManager $cck_manager
+   * @param \Drupal\migrate_drupal\Plugin\MigrateCckFieldPluginManagerInterface $cck_manager
    *   The cckfield plugin manager.
    * @param \Drupal\migrate\Plugin\MigrationPluginManagerInterface $migration_plugin_manager
    *   The migration plugin manager.
-   * @param \Drupal\migrate\Plugin\MigratePluginManager $source_plugin_manager
+   * @param \Drupal\migrate\Plugin\MigratePluginManagerInterface $source_plugin_manager
    *   The source migration plugin manager.
-   * @param \Drupal\migrate\Plugin\MigratePluginManager $process_plugin_manager
+   * @param \Drupal\migrate\Plugin\MigratePluginManagerInterface $process_plugin_manager
    *   The process migration plugin manager.
    * @param \Drupal\migrate\Plugin\MigrateDestinationPluginManager $destination_plugin_manager
    *   The destination migration plugin manager.
-   * @param \Drupal\migrate\Plugin\MigratePluginManager $idmap_plugin_manager
+   * @param \Drupal\migrate\Plugin\MigratePluginManagerInterface $idmap_plugin_manager
    *   The ID map migration plugin manager.
    */
-  public function __construct(array $configuration, $plugin_id, $plugin_definition, MigratePluginManager $cck_manager, MigrationPluginManagerInterface $migration_plugin_manager, MigratePluginManager $source_plugin_manager, MigratePluginManager $process_plugin_manager, MigrateDestinationPluginManager $destination_plugin_manager, MigratePluginManager $idmap_plugin_manager) {
+  public function __construct(array $configuration, $plugin_id, $plugin_definition, MigrateCckFieldPluginManagerInterface $cck_manager, MigrationPluginManagerInterface $migration_plugin_manager, MigratePluginManagerInterface $source_plugin_manager, MigratePluginManagerInterface $process_plugin_manager, MigrateDestinationPluginManager $destination_plugin_manager, MigratePluginManagerInterface $idmap_plugin_manager) {
     parent::__construct($configuration, $plugin_id, $plugin_definition, $migration_plugin_manager, $source_plugin_manager, $process_plugin_manager, $destination_plugin_manager, $idmap_plugin_manager);
     $this->cckPluginManager = $cck_manager;
   }
diff --git a/core/modules/node/src/Plugin/migrate/D6NodeDeriver.php b/core/modules/node/src/Plugin/migrate/D6NodeDeriver.php
index 51ce1de..3fba70a 100644
--- a/core/modules/node/src/Plugin/migrate/D6NodeDeriver.php
+++ b/core/modules/node/src/Plugin/migrate/D6NodeDeriver.php
@@ -4,11 +4,11 @@
 
 use Drupal\Component\Plugin\Derivative\DeriverBase;
 use Drupal\Component\Plugin\Exception\PluginNotFoundException;
-use Drupal\Component\Plugin\PluginManagerInterface;
 use Drupal\Core\Database\DatabaseExceptionWrapper;
 use Drupal\Core\Plugin\Discovery\ContainerDeriverInterface;
 use Drupal\migrate\Exception\RequirementsException;
 use Drupal\migrate\Plugin\MigrationDeriverTrait;
+use Drupal\migrate_drupal\Plugin\MigrateCckFieldPluginManagerInterface;
 use Symfony\Component\DependencyInjection\ContainerInterface;
 
 /**
@@ -34,7 +34,7 @@ class D6NodeDeriver extends DeriverBase implements ContainerDeriverInterface {
   /**
    * The CCK plugin manager.
    *
-   * @var \Drupal\Component\Plugin\PluginManagerInterface
+   * @var \Drupal\migrate_drupal\Plugin\MigrateCckFieldPluginManagerInterface
    */
   protected $cckPluginManager;
 
@@ -50,12 +50,12 @@ class D6NodeDeriver extends DeriverBase implements ContainerDeriverInterface {
    *
    * @param string $base_plugin_id
    *   The base plugin ID for the plugin ID.
-   * @param \Drupal\Component\Plugin\PluginManagerInterface $cck_manager
+   * @param \Drupal\migrate_drupal\Plugin\MigrateCckFieldPluginManagerInterface $cck_manager
    *   The CCK plugin manager.
    * @param bool $translations
    *   Whether or not to include translations.
    */
-  public function __construct($base_plugin_id, PluginManagerInterface $cck_manager, $translations) {
+  public function __construct($base_plugin_id, MigrateCckFieldPluginManagerInterface $cck_manager, $translations) {
     $this->basePluginId = $base_plugin_id;
     $this->cckPluginManager = $cck_manager;
     $this->includeTranslations = $translations;
diff --git a/core/modules/node/src/Plugin/migrate/D7NodeDeriver.php b/core/modules/node/src/Plugin/migrate/D7NodeDeriver.php
index 2a8c0e4..bd3d8b9 100644
--- a/core/modules/node/src/Plugin/migrate/D7NodeDeriver.php
+++ b/core/modules/node/src/Plugin/migrate/D7NodeDeriver.php
@@ -4,11 +4,11 @@
 
 use Drupal\Component\Plugin\Derivative\DeriverBase;
 use Drupal\Component\Plugin\Exception\PluginNotFoundException;
-use Drupal\Component\Plugin\PluginManagerInterface;
 use Drupal\Core\Database\DatabaseExceptionWrapper;
 use Drupal\Core\Plugin\Discovery\ContainerDeriverInterface;
 use Drupal\migrate\Exception\RequirementsException;
 use Drupal\migrate\Plugin\MigrationDeriverTrait;
+use Drupal\migrate_drupal\Plugin\MigrateCckFieldPluginManagerInterface;
 use Symfony\Component\DependencyInjection\ContainerInterface;
 
 /**
@@ -34,7 +34,7 @@ class D7NodeDeriver extends DeriverBase implements ContainerDeriverInterface {
   /**
    * The CCK plugin manager.
    *
-   * @var \Drupal\Component\Plugin\PluginManagerInterface
+   * @var \Drupal\migrate_drupal\Plugin\MigrateCckFieldPluginManagerInterface
    */
   protected $cckPluginManager;
 
@@ -43,10 +43,10 @@ class D7NodeDeriver extends DeriverBase implements ContainerDeriverInterface {
    *
    * @param string $base_plugin_id
    *   The base plugin ID for the plugin ID.
-   * @param \Drupal\Component\Plugin\PluginManagerInterface $cck_manager
+   * @param \Drupal\migrate_drupal\Plugin\MigrateCckFieldPluginManagerInterface $cck_manager
    *   The CCK plugin manager.
    */
-  public function __construct($base_plugin_id, PluginManagerInterface $cck_manager) {
+  public function __construct($base_plugin_id, MigrateCckFieldPluginManagerInterface $cck_manager) {
     $this->basePluginId = $base_plugin_id;
     $this->cckPluginManager = $cck_manager;
   }
diff --git a/core/modules/user/src/Plugin/migrate/destination/EntityUser.php b/core/modules/user/src/Plugin/migrate/destination/EntityUser.php
index 6ec88ad..b11d867 100644
--- a/core/modules/user/src/Plugin/migrate/destination/EntityUser.php
+++ b/core/modules/user/src/Plugin/migrate/destination/EntityUser.php
@@ -43,8 +43,6 @@ class EntityUser extends EntityContentBase {
    *   The storage for this entity type.
    * @param array $bundles
    *   The list of bundles this entity type has.
-   * @param \Drupal\migrate\Plugin\MigratePluginManager $plugin_manager
-   *   The migrate plugin manager.
    * @param \Drupal\Core\Entity\EntityManagerInterface $entity_manager
    *   The entity manager service.
    * @param \Drupal\Core\Field\FieldTypePluginManagerInterface $field_type_manager