public NodePreviewController::view(EntityInterface $node_preview, $view_mode_id = 'full', $langcode = NULL)
Provides a page to render a single entity.
Parameters
\Drupal\Core\Entity\EntityInterface $_entity: The Entity to be rendered. Note this variable is named $_entity rather than $entity to prevent collisions with other named placeholders in the route.
string $view_mode: (optional) The view mode that should be used to display the entity. Defaults to 'full'.
Return value
array A render arra