Documentation for WixWPF for using methods available in Bootstrapper application class does not have sufficient expalnation with examples

[vaa2000]

Documentation for WixWPF for using methods available in Bootstrapper application class does not have sufficient expalnation with examples.
https://wixtoolset.org/docs/api/wixtoolset.mba.core/bootstrapperapplication/

[vaa2000]

Please provide github code repository or any references which will provide guidance to use built-in bootstrapper application class method and also help to understand working of Burn in WiX Toolset