Define a basic component

src/Component.php

@@ -0,0 +1,13 @@
+<?php
+
+namespace Erusev\Parsedown;
+
+use Erusev\Parsedown\AST\StateRenderable;
+
+interface Component
+{
+    /**
+     * @return StateRenderable
+     */
+    public function stateRenderable(Parsedown $Parsedown);
+}