public SuperModelConfigProvider getSuperModel() {
        return model;
    }
Resolves global config for given request.

@param request The {@link com.yahoo.vespa.config.GetConfigRequest} to find config for.
@return a {@link com.yahoo.vespa.config.protocol.ConfigResponse} containing the response for this request.
@throws java.lang.IllegalArgumentException if no such config was found.
configserver/src/main/java/com/yahoo/vespa/config/server/SuperModelController.java