Latest version of com.espertech:esper
https://javadoc.io/doc/com.espertech/esper
Current version 5.2.0
https://javadoc.io/doc/com.espertech/esper/5.2.0
package-list path (used for javadoc generation -link option)
https://javadoc.io/doc/com.espertech/esper/5.2.0/package-list