Fix for #185

app/Repositories/User/UserRepositoryInterface.php

@@ -0,0 +1,34 @@
+<?php
+/**
+ * UserRepositoryInterface.php
+ * Copyright (C) 2016 Sander Dorigo
+ *
+ * This software may be modified and distributed under the terms
+ * of the MIT license.  See the LICENSE file for details.
+ */
+
+namespace FireflyIII\Repositories\User;
+
+
+use FireflyIII\User;
+
+/**
+ * Interface UserRepositoryInterface
+ *
+ * @package FireflyIII\Repositories\User
+ */
+interface UserRepositoryInterface
+{
+    /**
+     * @param User   $user
+     * @param string $role
+     *
+     * @return bool
+     */
+    public function attachRole(User $user, string $role): bool;
+
+    /**
+     * @return int
+     */
+    public function count(): int;
+}