Latest version of com.espertech:esper
https://javadoc.io/doc/com.espertech/esper
Current version 6.0.1
https://javadoc.io/doc/com.espertech/esper/6.0.1
package-list path (used for javadoc generation -link option)
https://javadoc.io/doc/com.espertech/esper/6.0.1/package-list