From 6756c5c5b4e535dcd0580fb74090b67cbc1bca06 Mon Sep 17 00:00:00 2001
From: Henrik Hautakoski <henrik.hautakoski@gmail.com>
Date: Tue, 18 Sep 2018 00:32:24 +0200
Subject: [PATCH] app/library/Navigation/*: fixing some phpdoc comments and add
 proper types to arguments.

---
 app/library/Navigation/Container.php |  6 ++++--
 app/library/Navigation/Node.php      | 10 ++++++----
 2 files changed, 10 insertions(+), 6 deletions(-)

diff --git a/app/library/Navigation/Container.php b/app/library/Navigation/Container.php
index 5d12dbb..f7a6da7 100644
--- a/app/library/Navigation/Container.php
+++ b/app/library/Navigation/Container.php
@@ -29,7 +29,8 @@ class Container
 
     /**
      * @param $child
-     * @return Node
+     * @return Container
+     * @throws Exception
      */
     public function addChild($child)
     {
@@ -69,7 +70,8 @@ class Container
 
     /**
      * @param $children
-     * @return Node
+     * @return Container
+     * @throws Exception
      */
     public function addChildren($children)
     {
diff --git a/app/library/Navigation/Node.php b/app/library/Navigation/Node.php
index e65d61b..5f9d420 100644
--- a/app/library/Navigation/Node.php
+++ b/app/library/Navigation/Node.php
@@ -56,22 +56,24 @@ class Node extends Container
     protected $_visible = true;
 
     /**
-     * @var Node
+     * Parent container. Null if no parent exists.
+     *
+     * @var Container|null
      */
     protected $_parent = null;
 
     /**
-     * @param $parent
+     * @param Container $parent
      * @return Node
      */
-    public function setParent($parent)
+    public function setParent(Container $parent)
     {
         $this->_parent = $parent;
         return $this;
     }
 
     /**
-     * @return Node
+     * @return Container|null
      */
     public function getParent()
     {