'Indicate we are not willing to enable an option.'

def wont(self, option):

    s = self.getOptionState(option)
    if (s.us.negotiating or s.him.negotiating):
        return defer.fail(AlreadyNegotiating(option))
    elif (s.us.state == 'no'):
        return defer.fail(AlreadyDisabled(option))
    else:
        s.us.negotiating = True
        s.us.onResult = d = defer.Deferred()
        self._wont(option)
        return d
