request: add isExternal and isInherited flags to the ClassPropertyParser

[paulknobloch]

Is there an existing issue or pull request for this?

• I have searched the existing issues and pull requests

Feature description

It would be nice to have the external and inherited flags available in the ClassPropertyParser like the optional flag.

Desired solution

ClassPropertyParser has two more boolean flags: external and inherited.

Alternatives considered

Additional context

No response