src/Service/Loco.php
public function synchronizeAllTranslations()
    {
        foreach ($this->projects as $name => $config) {
            if (empty($config['domains'])) {
                $this->doSynchronizeDomain($config, $name, false);
            } else {
                foreach ($config['domains'] as $domain) {
                    $this->doSynchronizeDomain($config, $domain, true);
                }
            }
        }
    }
public function synchronizeAllTranslations()
    {
        foreach ($this->projects as $name => $config) {
            if (empty($config['domains'])) {
                $this->doSynchronizeDomain($config, $name, false);
            } else {
                foreach ($config['domains'] as $domain) {
                    $this->doSynchronizeDomain($config, $domain, true);
                }
            }
        }
    }
Synchronize all the translations with Loco. This will keep placeholders. This function is slower
than just to download the translations.