Create null pointer

src/Pointers/NullPointer.php

@@ -0,0 +1,33 @@
+<?php
+
+namespace Cerbero\JsonParser\Pointers;
+
+/**
+ * The null pointer.
+ *
+ */
+class NullPointer extends Pointer
+{
+    /**
+     * The reference tokens.
+     *
+     * @var string[]
+     */
+    protected array $referenceTokens = [];
+
+    /**
+     * The pointer depth.
+     *
+     * @var int
+     */
+    protected int $depth = 0;
+
+    /**
+     * Instantiate the class.
+     *
+     */
+    public function __construct()
+    {
+        $this->pointer = '';
+    }
+}