diff --git a/lib/6to5/detection/index.js b/lib/6to5/detection/index.js
new file mode 100644
index 0000000000..26226c1b6e
--- /dev/null
+++ b/lib/6to5/detection/index.js
@@ -0,0 +1,7 @@
+exports.canRun = function (ast, userAgent) {
+
+};
+
+exports.whoCanRun = function (ast, userAgent) {
+
+};
diff --git a/package.json b/package.json
index 2e22bea362..ee739a49d1 100644
--- a/package.json
+++ b/package.json
@@ -53,7 +53,8 @@
     "roadrunner": "1.0.4",
     "source-map": "0.1.43",
     "source-map-support": "0.2.9",
-    "supports-color": "1.2.0"
+    "supports-color": "1.2.0",
+    "useragent": "^2.1.5"
   },
   "devDependencies": {
     "browserify": "8.1.1",