I would like to ask. I looked through the ilspy program code and my eye caught such a feature:
All variables / classes are renamed to an encrypted format. I would like to ask whether this is the result of the file being opened through the decompiler or it is still possible to automatically encode / decode the necessary information in the code. If so, what was supposed to be done? Rummaged in Google by the name of the connected libraries, but nothing worthwhile could not be found. I do not think that all this is done manually, if at all, the version of the program is released, which means that the code is being edited. Here are the connected libraries:

