public function never()
    {
        $this->expectation->setSatisfied(true);
        $this->expectation->setPerformCallback(function($name, $args) {
            $this->expectation->setSatisfied(false);
            $message = "$name should never be called";

            if (count($args)) {
                $message .= " with " . Util::printArray($args);
            }

            throw new UnexpectedCallException($message);
        });
        $this->expectation->setPostPerformCallback(function(){});

        $this->commentBuilder->setTimes(0);
        
        return $this;
    }