diff --git a/index.d.ts b/index.d.ts
new file mode 100644
index 0000000..6fe0bf4
--- /dev/null
+++ b/index.d.ts
@@ -0,0 +1,8 @@
+export default function setupDeprecationWorkflow(config: {
+  throwOnUnhandled: boolean;
+  workflow: {
+    handler: 'log' | 'silence' | 'throw';
+    matchId: string;
+    matchMessage: string;
+  }[];
+}): void;