Coding standards.

src/Annotation/V3/IdentifierPlugin.php

@@ -11,6 +11,11 @@
  */
 class IdentifierPlugin extends Plugin {
 
+  /**
+   * The plugin ID.
+   *
+   * @var string
+   */
   public string $id;
 
 }

src/Event/V3/ImageBodyEvent.php

@@ -5,6 +5,9 @@
 use Drupal\Component\EventDispatcher\Event;
 use Drupal\file\FileInterface;
 
+/**
+ * Image body generation event.
+ */
 class ImageBodyEvent extends Event {
 
   protected array $bodies = [];
@@ -15,17 +18,34 @@ class ImageBodyEvent extends Event {
   public function __construct(
     protected FileInterface $image,
   ) {
-
   }
 
+  /**
+   * Get the image for which we are generating a body.
+   *
+   * @return \Drupal\file\FileInterface
+   *   The file entity of the image for which we are generating a body.
+   */
   public function getImage() : FileInterface {
     return $this->image;
   }
 
+  /**
+   * Add a body.
+   *
+   * @param array $body
+   *   The body to add.
+   */
   public function addBody(array $body) : void {
     $this->bodies[] = $body;
   }
 
+  /**
+   * Get all bodies that were added.
+   *
+   * @return array
+   *   The bodies that were added.
+   */
   public function getBodies() : array {
     return $this->bodies;
   }

src/IdProcessPluginManager.php

@@ -7,8 +7,14 @@
 use Drupal\iiif_presentation_api\Annotation\V3\IdentifierPlugin;
 use Drupal\iiif_presentation_api\Plugin\IdentifierPluginInterface;
 
+/**
+ * ID processing plugin manager service.
+ */
 class IdProcessPluginManager extends DefaultPluginManager {
 
+  /**
+   * Constructor.
+   */
   public function __construct($version, \Traversable $namespaces, ModuleHandlerInterface $module_handler) {
     parent::__construct(
       "Plugin/iiif_presentation_api/$version/Identifier",