env and vendor added temporary

vendor/spatie/backtrace/src/Arguments/Reducers/ArgumentReducer.php

@@ -0,0 +1,13 @@
+<?php
+
+namespace Spatie\Backtrace\Arguments\Reducers;
+
+use Spatie\Backtrace\Arguments\ReducedArgument\ReducedArgumentContract;
+
+interface ArgumentReducer
+{
+    /**
+     * @param mixed $argument
+     */
+    public function execute($argument): ReducedArgumentContract;
+}