private function executeOnDirectories(): void
    {
        foreach ($this->config->getDirectories() as $source => $target) {
            try {
                $this->directoryExecutor->invoke($source, $target);
                $this->report->increaseParsedDirectoryNumber();
            } catch (Exception $exception) {
                $this->exceptionCatcher->catch($exception, $source);
            }
        }
    }