diff --git a/utils.rkt b/utils.rkt
index c4c066a..6f082ac 100644
--- a/utils.rkt
+++ b/utils.rkt
@@ -8,6 +8,21 @@
  graph
  (for-syntax syntax/parse racket/list))
 
+;;; Typed section.
+
+(module typed typed/racket
+  (require typed/graph
+           (for-syntax syntax/parse racket/list))
+  (provide (all-defined-out))
+
+  (define a 1))
+
+(require 'typed)
+
+(displayln a)
+
+;;; Untyped section.
+
 (provide
  ;; Functions
  (contract-out [eval-with (-> variable-mapping? any/c any)]