private static ConnectorConfig.Ssl.ClientAuth.Enum mapToConfigEnum(String clientAuthValue) {
        if ("disabled".equals(clientAuthValue)) {
            return ConnectorConfig.Ssl.ClientAuth.Enum.DISABLED;
        } else if ("want".equals(clientAuthValue)) {
            return ConnectorConfig.Ssl.ClientAuth.Enum.WANT_AUTH;
        } else if ("need".equals(clientAuthValue)) {
            return ConnectorConfig.Ssl.ClientAuth.Enum.NEED_AUTH;
        } else {
            return ConnectorConfig.Ssl.ClientAuth.Enum.DISABLED;
        }
    }
Configure SSL using file references

@author mortent
@author bjorncs
config-model/src/main/java/com/yahoo/vespa/model/container/http/ssl/ConfiguredFilebasedSslProvider.java