private function parseVerbosity()
    {
        $verboseHeader = $this->request->headers->get('verbose');
        if (null !== $verboseHeader) {
            $verboseKey = $this->getIntegrationSetting('verbose', '1');
            if ($verboseHeader == $verboseKey) {
                $this->setVerbose(true);
            } else {
                throw new ContactSourceException(
                    'The verbose token passed was not correct. This field should only be used for debugging.',
                    Codes::HTTP_UNAUTHORIZED,
                    null,
                    Stat::TYPE_INVALID,
                    'verbose'
                );
            }
        }
    }