Add generic types to traversable implementations

Author: derrabus

Loader/AnnotationClassLoader.php

@@ -367,7 +367,7 @@ abstract protected function configureRoute(Route $route, \ReflectionClass $class
     /**
      * @param \ReflectionClass|\ReflectionMethod $reflection
      *
-     * @return iterable|RouteAnnotation[]
+     * @return iterable<int, RouteAnnotation>
      */
     private function getAnnotations(object $reflection): iterable
     {

RouteCollection.php

@@ -22,6 +22,8 @@
  *
  * @author Fabien Potencier <[email protected]>
  * @author Tobias Schultze <http://tobion.de>
+ *
+ * @implements \IteratorAggregate<string, Route>
  */
 class RouteCollection implements \IteratorAggregate, \Countable
 {
@@ -94,7 +96,7 @@ public function add(string $name, Route $route/*, int $priority = 0*/)
     /**
      * Returns all routes in this collection.
      *
-     * @return Route[]
+     * @return array<string, Route>
      */
     public function all()
     {