…al package structure

What does this implement/fix? Explain your changes.

So virtual package structures can be created.

Does this close any currently open issues?

Issue 2043

Any other comments?

Change piggy backs off of existing static method.

Checklist

Check all those that are applicable and complete.

• Make sure to include one or more tests for your change
• If an enhancement PR, please create docs and at best an example
• Ensure you have signed the .NET Foundation CLA
• Add yourself to AUTHORS
• Updated the CHANGELOG