diff --git a/static-eval/static-eval.d.ts b/static-eval/static-eval.d.ts
new file mode 100644
index 000000000..61db0b405
--- /dev/null
+++ b/static-eval/static-eval.d.ts
@@ -0,0 +1,4 @@
+declare module 'static-eval' {
+    function evaluate(ast, vars: { [name: string]: any });
+    export =evaluate;
+}