public JerseyClientBuilder using(JerseyClientConfiguration configuration) {
        this.configuration = configuration;
        apacheHttpClientBuilder.using(configuration);
        return this;
    }
@Test
    void usesACustomHostnameVerifier() {
        final HostnameVerifier customHostnameVerifier = new NoopHostnameVerifier();
        builder.using(customHostnameVerifier);
        verify(apacheHttpClientBuilder).using(customHostnameVerifier);
    }