--- /dev/null
+#pragma once
+
+#include <memory>
+
+#include "token.hpp"
+
+namespace mstch {
+
+class render_context;
+
+class render_state {
+ public:
+ virtual ~render_state() {}
+ virtual std::string render(render_context& context, const token& token) = 0;
+};
+
+}