[9.x] Add before resolving callbacks to contract (#35661)

* Add beforeResolving signature to container contract

* Make docblock consistent

Author: lorisleiva

src/Illuminate/Contracts/Container/Container.php

@@ -163,6 +163,15 @@ public function call($callback, array $parameters = [], $defaultMethod = null);
      */
     public function resolved($abstract);
 
+    /**
+     * Register a new before resolving callback.
+     *
+     * @param  \Closure|string  $abstract
+     * @param  \Closure|null  $callback
+     * @return void
+     */
+    public function beforeResolving($abstract, Closure $callback = null);
+
     /**
      * Register a new resolving callback.
      *