public ServiceRequestContextBuilder proxiedAddresses(ProxiedAddresses proxiedAddresses) {
        this.proxiedAddresses = requireNonNull(proxiedAddresses, "proxiedAddresses");
        return this;
    }
Sets the {@link ProxiedAddresses} of the request.
If not set, {@link ServiceRequestContext#proxiedAddresses()} will return {@code null}.
core/src/main/java/com/linecorp/armeria/server/ServiceRequestContextBuilder.java