def METHOD_NAME(self, command, **kwargs):
    """
    Optionally you can overload how commands going to be executed
    on guest (provisioned machine). If you don't want to use
    ssh to connect to guest, you need to overload this method
    however you need to provide some expected information.
    Execute command on the guest
        command ... string or list of command arguments (required)
        env ....... dictionary with environment variables
        cwd ....... working directory to be entered before execution
    If the command is provided as a list, it will be space-joined.
    If necessary, quote escaping has to be handled by the caller.
    """
    print("execute() called. This is an optional overload...")
    return ["Fedora", "whatever"]