Add interface to additional roles/permissions

app/Models/Role.php

@@ -4,6 +4,28 @@ namespace App\Models;
 
 use Laratrust\Models\LaratrustRole;
 
+/**
+ * @method static where(string $string, $group)
+ */
 class Role extends LaratrustRole
 {
+    protected $fillable = [
+        'id',
+        'name',
+        'display_name',
+        'read_only',
+    ];
+
+    protected $casts = [
+        'read_only' => 'boolean',
+    ];
+
+    /**
+     * Validation rules
+     *
+     * @var array
+     */
+    public static $rules = [
+        'display_name' => 'required',
+    ];
 }