For the purposes of translation is advisable to have only the information that will translate, so you need to have all the same documentation that is located here: Unreal Engine 5.2 Documentation | Unreal Engine 5.2 Documentation
but without menu items (Unreal engine, about, learn, community, support), without search in top right corner, without 4 flags (US, JP, Korean and China ) under the serch, and without “© 2004-2014, Epic Games, Inc. All rights reserved. Unreal and its logo are Epic’s trademarks or registered trademarks in the US and elsewhere. TERMS OF USE | PRIVACY POLICY” in the bottom of every page. And it is preferably without outside links…
Can You provide it?
I am marking this as answered for tracking purposes.