add nova

nova/src/Fields/ResolvedFields.php

@@ -0,0 +1,40 @@
+<?php
+
+namespace Laravel\Nova\Fields;
+
+use Illuminate\Support\Collection;
+use Illuminate\Support\Fluent;
+
+class ResolvedFields extends Fluent
+{
+    /**
+     * The post-storage callbacks for the fields.
+     *
+     * @var \Illuminate\Support\Collection
+     */
+    public $callbacks;
+
+    /**
+     * Create a new resolved fields instance.
+     *
+     * @param  \Illuminate\Support\Collection  $attributes
+     * @param  \Illuminate\Support\Collection  $callbacks
+     * @return void
+     */
+    public function __construct(Collection $attributes, Collection $callbacks)
+    {
+        parent::__construct($attributes->all());
+
+        $this->callbacks = $callbacks;
+    }
+
+    /**
+     * Get the post-storage callbacks for the fields.
+     *
+     * @return \Illuminate\Support\Collection
+     */
+    public function callbacks()
+    {
+        return $this->callbacks;
+    }
+}