Add BuilderInterface.php.

Author: drupol

src/Builder/BuilderInterface.php

@@ -0,0 +1,20 @@
+<?php
+
+declare(strict_types=1);
+
+namespace drupol\phptree\Builder;
+
+use drupol\phptree\Node\NodeInterface;
+
+/**
+ * Interface BuilderInterface.
+ */
+interface BuilderInterface
+{
+    /**
+     * @param iterable<NodeInterface> $nodes
+     *
+     * @return \drupol\phptree\Node\NodeInterface
+     */
+    public static function create(iterable $nodes): NodeInterface;
+}