--- /dev/null
+<?php
+
+namespace Drupal\layout_builder\Access;
+
+use Drupal\Core\Access\AccessibleInterface;
+use Drupal\Core\Access\AccessResult;
+use Drupal\Core\Session\AccountInterface;
+
+/**
+ * Accessible class to allow access for inline blocks in the Layout Builder.
+ *
+ * @internal
+ */
+class LayoutPreviewAccessAllowed implements AccessibleInterface {
+
+ /**
+ * {@inheritdoc}
+ */
+ public function access($operation, AccountInterface $account = NULL, $return_as_object = FALSE) {
+ if ($operation === 'view') {
+ return $return_as_object ? AccessResult::allowed() : TRUE;
+ }
+ // The layout builder preview should only need 'view' access.
+ return $return_as_object ? AccessResult::forbidden() : FALSE;
+ }
+
+}