first change

Modules/Admin/app/Repositories/DesignationInterface.php

@@ -0,0 +1,14 @@
+<?php
+
+namespace Modules\Admin\Repositories;
+
+interface DesignationInterface
+{
+    public function findAll();
+    public function getDesignationById($designationId);
+    public function delete($designationId);
+    public function create(array $designationDetails);
+    public function update($designationId, array $newDetails);
+
+    public function pluck();
+}