diff --git a/src/whatsapp/misc/Lid1X1MigrationUtils.ts b/src/whatsapp/misc/Lid1X1MigrationUtils.ts
new file mode 100644
index 0000000000..66638bcbee
--- /dev/null
+++ b/src/whatsapp/misc/Lid1X1MigrationUtils.ts
@@ -0,0 +1,34 @@
+/*!
+ * Copyright 2021 WPPConnect Team
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+import { exportModule } from '../exportModule';
+
+/** @whatsapp 15688
+ */
+export declare namespace Lid1X1MigrationUtils {
+  function isLidMigrated(): boolean;
+  function isSyncdSessionMigrated(): boolean;
+  function setIsLidMigrated(a?: any): any;
+  function shouldApplyNonMigratedMessagingRules(): any;
+}
+
+exportModule(
+  exports,
+  {
+    Lid1X1MigrationUtils: 'Lid1X1MigrationUtils',
+  },
+  (m) => m.Lid1X1MigrationUtils.isLidMigrated
+);
diff --git a/src/whatsapp/misc/index.ts b/src/whatsapp/misc/index.ts
index 8d1ec542fc..ec911625d4 100644
--- a/src/whatsapp/misc/index.ts
+++ b/src/whatsapp/misc/index.ts
@@ -24,6 +24,7 @@ export * from './Constants';
 export * from './EventEmitter';
 export * from './ImageUtils';
 export * from './IsOfficialClient';
+export * from './Lid1X1MigrationUtils';
 export * from './MediaBlobCache';
 export * from './MediaEntry';
 export * from './MediaObject';