Issue #2090509 follow-up by yched, andypost: Fix some type-hinting.

core/modules/entity/lib/Drupal/entity/Entity/EntityViewDisplay.php

@@ -52,7 +52,7 @@ class EntityViewDisplay extends EntityDisplayBase implements EntityViewDisplayIn
    * party code to alter the display options held in the display before they are
    * used to generate render arrays.
    *
-   * @param \Drupal\Core\Entity\EntityInterface[] $entities
+   * @param \Drupal\Core\Entity\ContentEntityInterface[] $entities
    *   The entities being rendered. They should all be of the same entity type.
    * @param string $view_mode
    *   The view mode being rendered.
@@ -144,7 +144,7 @@ public static function collectRenderDisplays($entities, $view_mode) {
    *
    * See the collectRenderDisplays() method for details.
    *
-   * @param \Drupal\Core\Entity\EntityInterface $entity
+   * @param \Drupal\Core\Entity\ContentEntityInterface $entity
    *   The entity being rendered.
    * @param string $view_mode
    *   The view mode.
@@ -154,7 +154,7 @@ public static function collectRenderDisplays($entities, $view_mode) {
    *
    * @see \Drupal\entity\Entity\EntityDisplay::collectRenderDisplays()
    */
-  public static function collectRenderDisplay($entity, $view_mode) {
+  public static function collectRenderDisplay(ContentEntityInterface $entity, $view_mode) {
     $displays = static::collectRenderDisplays(array($entity), $view_mode);
     return $displays[$entity->bundle()];
   }