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app/Repositories/Interface/AuthorsInterface.php

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+<?php
+
+namespace App\Repositories\Interface;
+
+interface AuthorsInterface
+{
+    public function getAll();
+    public function getAuthorsById($authorId);
+    public function delete($authorId);
+    public function create(array $authorDetail);
+    public function update($authorId, array $newDetails);
+}