}
        final Integer soTimeoutParam = getInitParameter(SO_TIMEOUT_PROPERTY, soTimeout, Integer.class);
        if (soTimeoutParam != null) {
            requestConfigBuilder.setSocketTimeout(soTimeoutParam);
        }

        // AuthSchemeFactory
        final RegistryBuilder<AuthSchemeProvider> authSchemeProviderBuilder = RegistryBuilder.create();
        @SuppressWarnings("unchecked")