downgrade to kirby v3

vendor/ml/json-ld/DocumentInterface.php

@@ -0,0 +1,89 @@
+<?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;
+
+use ML\IRI\IRI;
+
+/**
+ * JSON-LD document interface
+ *
+ * @author Markus Lanthaler <mail@markus-lanthaler.com>
+ */
+interface DocumentInterface
+{
+    /**
+     * Set the document's IRI
+     *
+     * @param string|IRI The IRI.
+     *
+     * @return self
+     */
+    public function setIri($iri);
+
+    /**
+     * Get the document's IRI
+     *
+     * @param boolean $asObject If set to true, the return value will be an
+     *                          {@link IRI} object; otherwise a string.
+     *
+     * @return string|IRI The document's IRI (might be empty).
+     */
+    public function getIri($asObject = false);
+
+    /**
+     * Creates a new graph which is linked to this document
+     *
+     * If there exists already a graph with the passed name in the document,
+     * that graph will be returned instead of creating a new one.
+     *
+     * @param string|IRI $name The graph's name.
+     *
+     * @return GraphInterface The newly created graph.
+     */
+    public function createGraph($name);
+
+    /**
+     * Get a graph by name
+     *
+     * @param null|string $name The name of the graph to retrieve. If null
+     *                          is passed, the default will be returned.
+     *
+     * @return GraphInterface|null Returns the graph if found; null otherwise.
+     */
+    public function getGraph($name = null);
+
+    /**
+     * Get graph names
+     *
+     * @return string[] Returns the names of all graphs in the document.
+     */
+    public function getGraphNames();
+
+    /**
+     * Check whether the document contains a graph with the specified name
+     *
+     * @param string $name The graph name.
+     *
+     * @return bool Returns true if the document contains a graph with the
+     *              specified name; false otherwise.
+     */
+    public function containsGraph($name);
+
+    /**
+     * Removes a graph from the document
+     *
+     * @param null|string|GraphInterface $graph The graph (or its name) to
+     *                                          remove. If null is passed,
+     *                                          the default will be reset.
+     *
+     * @return self
+     */
+    public function removeGraph($graph = null);
+}