PyCharm (Professional Edition, v2017.1.4) does not pick up any intellisense for KnockoutJS links, such as:

I managed to solve this in the past when using WebStorm; from what I remember, it boiled down to the fact that in Javascript> Libraries there was a link with a JS knockout:

However, although I did this (including the “definitely typed” version of lib, see above), the “unresolved” warnings persist in PyCharm.
Does anyone have any bright ideas on what might help clear these warnings?
EDIT:
Additional screenshots:
Project Interpreter Settings

Javascript Library Settings

Parameters RequireJS - Indicates KnockoutJS Debugging v3.4.1

ViewModel KO

, js.knockout .