Latest version of com.oracle.database.xml:xdb6
https://javadoc.io/doc/com.oracle.database.xml/xdb6
Current version 12.2.0.1
https://javadoc.io/doc/com.oracle.database.xml/xdb6/12.2.0.1
package-list path (used for javadoc generation -link option)
https://javadoc.io/doc/com.oracle.database.xml/xdb6/12.2.0.1/package-list