@UnstableApi
    public AbstractClientOptionsBuilder followRedirects(RedirectConfig redirectConfig) {
        return option(REDIRECT_CONFIG, requireNonNull(redirectConfig, "redirectConfig"));
    }
Sets the {@link RedirectConfig} to enable
<a href="https://datatracker.ietf.org/doc/html/rfc7231#section-6.4">automatic redirection</a>.
core/src/main/java/com/linecorp/armeria/client/AbstractClientOptionsBuilder.java