diff --git a/index.d.ts b/index.d.ts
new file mode 100644
index 0000000..01c5d76
--- /dev/null
+++ b/index.d.ts
@@ -0,0 +1,5 @@
+declare module "mongoose-lean-virtuals" {
+    import mongoose = require('mongoose');
+    export default function mongooseLeanVirtuals(schema: mongoose.Schema<any, any, any, any>, opts?: any): void;
+    export function mongooseLeanVirtuals(schema: mongoose.Schema<any, any, any, any>, opts?: any): void;
+  }
\ No newline at end of file
diff --git a/index.js b/index.js
index 6711edf..3e691c6 100644
--- a/index.js
+++ b/index.js
@@ -213,4 +213,7 @@ function attachVirtualsToDoc(schema, doc, virtuals) {
 
 function isPopulateVirtual(virtualType) {
   return virtualType.options && (virtualType.options.ref || virtualType.options.refPath);
-}
\ No newline at end of file
+}
+
+module.exports.defaults = module.exports;
+module.exports.mongooseLeanVirtuals = module.exports;
\ No newline at end of file
diff --git a/test/test.ts b/test/test.ts
new file mode 100644
index 0000000..6c54f4d
--- /dev/null
+++ b/test/test.ts
@@ -0,0 +1,17 @@
+import * as mongoose from 'mongoose';
+import * as mongooseLeanVirtuals from "mongoose-lean-virtuals";
+
+interface Test {
+    name: string
+}
+/*
+const testSchema = new mongoose.Schema({
+    name: String
+});
+*/
+
+const testSchema = new mongoose.Schema<Test>({
+    name: String
+});
+
+testSchema.plugin(mongooseLeanVirtuals.mongooseLeanVirtuals); 
\ No newline at end of file