downgrade to kirby v3

vendor/ml/json-ld/DocumentFactoryInterface.php

@@ -0,0 +1,29 @@
+<?php
+
+/*
+ * (c) Markus Lanthaler <mail@markus-lanthaler.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace ML\JsonLD;
+
+/**
+ * Interface for factories to create DocumentInterface objects
+ *
+ * @see DocumentInterface
+ *
+ * @author Markus Lanthaler <mail@markus-lanthaler.com>
+ */
+interface DocumentFactoryInterface
+{
+    /**
+     * Creates a new document
+     *
+     * @param null|string $iri The document's IRI.
+     *
+     * @return DocumentInterface The document.
+     */
+    public function createDocument($iri = null);
+}