Russia enters the Sino-French War; how much Chinese territory is it going to get afterwards?

Futurist

Ad Honoris
May 2014
21,916
SoCal
If Russia would have entered the Sino-French War on the French side in the mid-1880s (see here: Sino-French War - Wikipedia ), how would this have affected the war and how much Chinese territory was Russia going to get in the post-war peace treaty?