public Builder removeTag(String tag) {
            if (!ClickHouseChecker.isNullOrEmpty(tag)) {
                tags.remove(tag);
            }

            return this;
        }
Removes a tag from this node.

@param tag tag to be removed, null value will be ignored
@return this builder
clickhouse-client/src/main/java/com/clickhouse/client/ClickHouseNode.java