public Duration getResponseTimeout() {
        return Optional.ofNullable(responseTimeout)
                .map(it -> Duration.ofMillis(responseTimeout)).orElse(Duration.ofMillis(3000));
    }
Gets response timeout.

@return the response timeout
shenyu-plugin/shenyu-plugin-httpclient/src/main/java/org/apache/shenyu/plugin/httpclient/config/HttpClientProperties.java