When a config for instance CSPApplication already exist and the module.xml has the CSPApplication section, can you opt to not override config on server for if the client for instance made changes to application Roles then after an upgrade it is missing

How can one use this to look at self hosted registry?

Lol Ok , my mistake , I moved / copied the package to a new name and did not remove the old classes , and there was a storage issue on them. 
 Thanks a lot