I see that there is a package manager "jpm" and I looked at the docs, but I couldn't see anything relating to how to create a lock file or how it makes sure, th

I see that there is a package manager "jpm" and I looked at the docs, but I couldn't see anything relating to how to create a lock file or how it makes sure, that every time I install dependencies, I get the exact same versions (not just version numbers).