#include <string>
#include <vector>
-#include "lisp/parser.hpp"
-#include "lisp/lisp.hpp"
-#include "lisp/writer.hpp"
-class Addon;
-
-#include "addon/addon_manager.hpp"
+namespace lisp {
+class Writer;
+class Lisp;
+}
/**
* Represents an (available or installed) Add-on, e.g. a level set