isFallbackLocaleEnabled example

$client = $this->httpClient->withOptions([
            'base_uri' => 'https://'.$endpoint.'/v2/projects/'.$this->getUser($dsn).'/',
            'headers' => [
                'Authorization' => 'token '.$this->getPassword($dsn),
                'User-Agent' => $dsn->getRequiredOption('userAgent'),
            ],
        ]);

        $readConfig = $this->readConfigFromDsn($dsn);
        $writeConfig = $this->writeConfigFromDsn($dsn);

        return new PhraseProvider($client, $this->logger, $this->loader, $this->xliffFileDumper, $this->cache, $this->defaultLocale, $endpoint, $readConfig, $writeConfig, $this->isFallbackLocaleEnabled($dsn));
    }

    protected function getSupportedSchemes(): array
    {
        return ['phrase'];
    }

    private function isFallbackLocaleEnabled(Dsn $dsn): bool
    {
        $options = $dsn->getOptions()['read'] ?? [];