final RegistryBuilder<AuthSchemeProvider> authSchemeProviderBuilder = RegistryBuilder.create();
        @SuppressWarnings("unchecked")
        final Map<String, AuthSchemeProvider> factoryMap =
                getInitParameter(AUTH_SCHEME_PROVIDERS_PROPERTY, authSchemeProviderMap, Map.class);
        if (factoryMap != null) {
            for (final Map.Entry<String, AuthSchemeProvider> entry : factoryMap.entrySet()) {