Issue #3200821 by mglaman, Pooja Ganjage: Document ResourceBase::getRouteResourceTypes()

src/Resource/ResourceBase.php

@@ -111,7 +111,18 @@ abstract class ResourceBase {
   }
 
   /**
-   * {@inheritdoc}
+   * Gets the resource types for a route.
+   *
+   * Resource types are defined on routes in the `_jsonapi_resource_types`
+   * route's defaults.
+   *
+   * @param \Symfony\Component\Routing\Route $route
+   *   The route.
+   * @param string $route_name
+   *   The route name.
+   *
+   * @return array
+   *   The resource types for the route.
    */
   public function getRouteResourceTypes(Route $route, string $route_name): array {
     return array_map(function ($resource_type_name) use ($route_name) {