public Builder port(ClickHouseProtocol protocol, Integer port) {
            this.protocol = protocol;
            this.port = port;
            return this;
        }
Sets protocol and port number.

@param protocol protocol, null means {@link ClickHouseDefaults#PROTOCOL}
@param port     number, null means default port of {@code protocol}
@return this builder
clickhouse-client/src/main/java/com/clickhouse/client/ClickHouseNode.java