Latest version of org.web3j:codegen
https://javadoc.io/doc/org.web3j/codegen
Current version 3.1.0
https://javadoc.io/doc/org.web3j/codegen/3.1.0
package-list path (used for javadoc generation -link option)
https://javadoc.io/doc/org.web3j/codegen/3.1.0/package-list