--- /dev/null
+<?php
+
+namespace Drupal\layout_builder\Plugin\Derivative;
+
+use Drupal\Component\Plugin\Derivative\DeriverBase;
+use Drupal\Core\Entity\EntityTypeManagerInterface;
+use Drupal\Core\Plugin\Discovery\ContainerDeriverInterface;
+use Symfony\Component\DependencyInjection\ContainerInterface;
+
+/**
+ * Provides inline block plugin definitions for all custom block types.
+ *
+ * @internal
+ */
+class InlineBlockDeriver extends DeriverBase implements ContainerDeriverInterface {
+
+ /**
+ * The entity type manager.
+ *
+ * @var \Drupal\Core\Entity\EntityTypeManagerInterface
+ */
+ protected $entityTypeManager;
+
+ /**
+ * Constructs a BlockContentDeriver object.
+ *
+ * @param \Drupal\Core\Entity\EntityTypeManagerInterface $entity_type_manager
+ * The entity type manager.
+ */
+ public function __construct(EntityTypeManagerInterface $entity_type_manager) {
+ $this->entityTypeManager = $entity_type_manager;
+ }
+
+ /**
+ * {@inheritdoc}
+ */
+ public static function create(ContainerInterface $container, $base_plugin_id) {
+ return new static(
+ $container->get('entity_type.manager')
+ );
+ }
+
+ /**
+ * {@inheritdoc}
+ */
+ public function getDerivativeDefinitions($base_plugin_definition) {
+ $this->derivatives = [];
+ if ($this->entityTypeManager->hasDefinition('block_content_type')) {
+ $block_content_types = $this->entityTypeManager->getStorage('block_content_type')->loadMultiple();
+ foreach ($block_content_types as $id => $type) {
+ $this->derivatives[$id] = $base_plugin_definition;
+ $this->derivatives[$id]['admin_label'] = $type->label();
+ $this->derivatives[$id]['config_dependencies'][$type->getConfigDependencyKey()][] = $type->getConfigDependencyName();
+ }
+ }
+ return parent::getDerivativeDefinitions($base_plugin_definition);
+ }
+
+}