private static Set<ConfigKey<?>> configsProduced(ConfigProducer cp) {
        Set<ConfigKey<?>> ret = ReflectionUtil.getAllConfigsProduced(cp.getClass(), cp.getConfigId());
        UserConfigRepo userConfigs = cp.getUserConfigs();
        for (ConfigDefinitionKey userKey : userConfigs.configsProduced()) {
            ret.add(new ConfigKey<>(userKey.getName(), cp.getConfigId(), userKey.getNamespace()));
        }
        return ret;
    }
The set of all config ids present
@return set of config ids
config-model/src/main/java/com/yahoo/vespa/model/VespaModel.java