In the process of renaming project, we want to rename root namespace. If we'll do it, all code which we write earlier will disappear.
Proof of the bug here: https://drive.google.com/open?id=1RfuY-jC9q_biE-ck9SNm2StnhfRua92R
Rider version where bug was found is 2019.3.1
Type of the project is .NET Core class library