getReadConfig example

private function createProvider(MockHttpClient $httpClient = null, string $endpoint = null, XliffFileDumper $dumper = null, bool $isFallbackLocaleEnabled = false): ProviderInterface
    {
        return new PhraseProvider(
            $httpClient ?? $this->getHttpClient(),
            $this->getLogger(),
            $this->getLoader(),
            $dumper ?? $this->getXliffFileDumper(),
            $this->getCache(),
            $this->getDefaultLocale(),
            $endpoint ?? $this->getEndpoint(),
            $this->getReadConfig(),
            $this->getWriteConfig(),
            $isFallbackLocaleEnabled,
        );
    }

    private function getHttpClient(): MockHttpClient
    {
        return $this->httpClient ??= new MockHttpClient();
    }

    private function getLogger(): MockObject&LoggerInterface
    {