Latest version of io.reactivex.rxjava2:rxjava
https://javadoc.io/doc/io.reactivex.rxjava2/rxjava
Current version 2.1.15
https://javadoc.io/doc/io.reactivex.rxjava2/rxjava/2.1.15
package-list path (used for javadoc generation -link option)
https://javadoc.io/doc/io.reactivex.rxjava2/rxjava/2.1.15/package-list