private static Optional<JsonNode> parseResponseResults(final HttpEntityContainer response) {
        return FunctionUtils.doUnchecked(() -> {
            val result = EntityUtils.toString(response.getEntity());
            LOGGER.debug("Received user object as [{}]", result);
            return Optional.of(MAPPER.readTree(result));
        });
    }
This is {@link SyncopeAuthenticationHandler}.

@author Misagh Moayyed
@since 5.3.0
support/cas-server-support-syncope-authentication/src/main/java/org/apereo/cas/syncope/SyncopeAuthenticationHandler.java