diff --git a/flow-typed/npm/keytar_vx.x.x.js b/flow-typed/npm/keytar_vx.x.x.js
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@@ -0,0 +1,22 @@
+/**
+ * Copyright 2018-present Facebook.
+ * This source code is licensed under the MIT license found in the
+ * LICENSE file in the root directory of this source tree.
+ * @format
+ */
+
+declare module 'keytar' {
+  declare module.exports: {
+    getPassword: (service: string, account: string) => Promise<string | null>,
+    setPassword: (
+      service: string,
+      account: string,
+      password: string,
+    ) => Promise<void>,
+    deletePassword: (service: string, account: string) => Promise<boolean>,
+    findPassword: (service: string) => Promise<string | null>,
+    findCredentials: (
+      service: string,
+    ) => Promise<Array<{account: string, password: string}>>,
+  };
+}
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