Are the snap package files isolated from normal package install?

Question

I have installed Visual studio code from a .deb package. So now that they provide a snap package, what would happen if install it as a snap package (without removing the former)?

I see from this answer that it is isolated file, so how where does it store extension files and configs? Are the configs isolated for snap files

Answer 1

Applications installed as snap are indeed isolated, and will not interfere with the same application installed from a .deb package. Also user settings are isolated. User settings for a snap are stored under a directory "snap" in the user's home folder.