diff --git a/web/input/input-state.js b/web/input/input-state.js
--- a/web/input/input-state.js
+++ b/web/input/input-state.js
@@ -71,7 +71,7 @@
     messageInfo: RawTextMessageInfo,
     threadInfo: ThreadInfo,
     parentThreadInfo: ?ThreadInfo,
-  ) => Promise<void>,
+  ) => mixed,
   +createMultimediaMessage: (localID: number, threadInfo: ThreadInfo) => void,
   +setDraft: (draft: string) => void,
   +setTextCursorPosition: (newPosition: number) => void,