presto-client/src/main/java/io/prestosql/client/ServerInfo.java/ServerInfo/toString
class ServerInfo:    @Override
    public String toString()
    {
        return toStringHelper(this)
                .add("nodeVersion", nodeVersion)
                .add("environment", environment)
                .add("coordinator", coordinator)
                .add("uptime", uptime.orElse(null))
                .omitNullValues()
                .toString();
    }