presto-thrift-api/src/main/java/io/prestosql/plugin/thrift/api/PrestoThriftHostAddress.java/PrestoThriftHostAddress/toString
class PrestoThriftHostAddress:    @Override
    public String toString()
    {
        return toStringHelper(this)
                .add("host", host)
                .add("port", port)
                .toString();
    }