Latest version of io.reactivex.rxjava3:rxjava
https://javadoc.io/doc/io.reactivex.rxjava3/rxjava
Current version 3.1.9
https://javadoc.io/doc/io.reactivex.rxjava3/rxjava/3.1.9
package-list path (used for javadoc generation -link option)
https://javadoc.io/doc/io.reactivex.rxjava3/rxjava/3.1.9/package-list