Quote Originally Posted by Bigpurpleharness View Post
Comp Sci here, anyone who claims to know without knowing their current code is lying, as the first reply said. If you programmed the functions with that in mind it would be trivial, but when you have multiple systems relying on each other, and you never thought of it, it becomes increasingly hard. It's always possible, but being a business, it's a large cost/benefit ratio question.
Pretty much this. We can speculate, but without seeing the codebase, it's throwing darts in the dark.