add $action docblock

Author: wryk

packages/router/src/Router.php

@@ -14,11 +14,25 @@ public function dispatch(Request|PsrRequest $request): Response;
 
     /**
      * Creates a valid URI to the given `$action`.
+     *
+     * `$action` is one of :
+     * - Controller FQCN and its method as a tuple
+     * - Invokable controller FQCN
+     * - URI string starting with `/`
+     *
+     * @param array{class-string, string}|class-string|string $action
      */
     public function toUri(array|string $action, ...$params): string;
 
     /**
      * Checks if the URI to the given `$action` would match the current route.
+     *
+     * `$action` is one of :
+     * - Controller FQCN and its method as a tuple
+     * - Invokable controller FQCN
+     * - URI string starting with `/`
+     *
+     * @param array{class-string, string}|class-string|string $action
      */
     public function isCurrentUri(array|string $action, ...$params): bool;
 }