Final touch: using $types as variable parameter for consistency usage…

… with other method

src/PhpParser/Node/BetterNodeFinder.php

@@ -225,18 +225,20 @@ function (Node $subNode) use (&$returns): ?int {
      *
      * @template T of Node
      * @param Node[] $nodes
-     * @param class-string<T>|array<class-string<T>> $type
+     * @param class-string<T>|array<class-string<T>> $types
      * @return T[]
      */
-    public function findInstancesOfScoped(array $nodes, string|array $type): array
+    public function findInstancesOfScoped(array $nodes, string|array $types): array
     {
         // here verify only pass single nodes as FunctionLike
         if (count($nodes) === 1
             && ($nodes[0] instanceof ClassMethod || $nodes[0] instanceof Function_ || $nodes[0] instanceof Closure)) {
             $nodes = (array) $nodes[0]->stmts;
         }
 
-        $types = is_string($type) ? [$type] : $type;
+        if (is_string($types)) {
+            $types = [$types];
+        }
 
         /** @var T[] $foundNodes */
         $foundNodes = [];