Is it possible to make Resharper plugins for Rider that can parse C++?

Hey I was wondering if its actually possible to write Resharper plugins that can parse C++ for Rider?

My starting point for the plugin is this:
JetBrains/resharper-rider-plugin: https://www.jetbrains.com/help/resharper/sdk/

I’ve been trying for a while, and I’m at the point where I believe I need using JetBrains.ReSharper.Psi.Cpp; but I don’t know how/where to get the assemblies. I have a C# backend setup and working, I just need the PSI functionality for C++.

Ultimately, my goal is to make a Rider plugin that can properly parse C++.