public Builder version(String version) {
            if (!ClickHouseChecker.isNullOrEmpty(version)) {
                options.put(ClickHouseClientOption.SERVER_VERSION.getKey(), version);
            } else {
                options.remove(ClickHouseClientOption.SERVER_VERSION.getKey());
            }
            return this;
        }
Sets vesion of this node.

@param version version string, could be null
@return this builder
clickhouse-client/src/main/java/com/clickhouse/client/ClickHouseNode.java