Latest version of org.apache.flink:flink-core
https://javadoc.io/doc/org.apache.flink/flink-core
Current version 1.1.4
https://javadoc.io/doc/org.apache.flink/flink-core/1.1.4
package-list path (used for javadoc generation -link option)
https://javadoc.io/doc/org.apache.flink/flink-core/1.1.4/package-list