Add a new param to cross check command-line switches

[mariomastrodicasa]

Is your feature request related to a problem? Please describe.
In some conditions a command-line switch can depend on other switches. Add a mechanism to check related switches.

Describe the solution you'd like
A function invoked at the end of parsing to check if the expected information are available.

Describe alternatives you've considered
N/A

Additional context
N/A