diff --git a/source-map-support/source-map-support-tests.d.ts b/source-map-support/source-map-support-tests.d.ts
new file mode 100644
index 0000000000..ddd6308cc2
--- /dev/null
+++ b/source-map-support/source-map-support-tests.d.ts
@@ -0,0 +1,5 @@
+///
+
+import sms = require('source-map-support');
+
+sms.install();
diff --git a/source-map-support/source-map-support.d.ts b/source-map-support/source-map-support.d.ts
new file mode 100644
index 0000000000..c03c23d851
--- /dev/null
+++ b/source-map-support/source-map-support.d.ts
@@ -0,0 +1,8 @@
+// Type definitions for source-map-support 0.2.5
+// Project: https://github.com/evanw/source-map-support
+// Definitions by: Bart van der Schoor
+// Definitions: https://github.com/borisyankov/DefinitelyTyped
+
+declare module 'source-map-support' {
+ export function install();
+}