public function enableBlockMode():void
    {
        if (!$this->enableProtection) {
            throw new MiddlewareException(
                $this,
                "You can't enable the block mode because the XSS protection is disabled"
            );
        }
        if ($this->reportUri) {
            throw new MiddlewareException(
                $this,
                sprintf(
                    "You can't enable the block mode because the report mode is already enabled (see %s)",
                    'https://developer.mozilla.org/docs/Web/HTTP/Headers/X-XSS-Protection'
                )
            );
        }
        $this->blockMode = true;
    }