-<?php namespace BookStack\Http\Controllers;
-
-use Activity;
-use BookStack\Repos\EntityRepo;
-use BookStack\Repos\UserRepo;
+<?php
+
+namespace BookStack\Http\Controllers;
+
+use BookStack\Actions\View;
+use BookStack\Entities\Models\Book;
+use BookStack\Entities\Repos\ChapterRepo;
+use BookStack\Entities\Tools\BookContents;
+use BookStack\Entities\Tools\NextPreviousContentLocator;
+use BookStack\Entities\Tools\PermissionsUpdater;
+use BookStack\Exceptions\MoveOperationException;
+use BookStack\Exceptions\NotFoundException;