<dependency>
<groupId>org.mnode.ical4j</groupId>
<artifactId>ical4j</artifactId>
<version>2.2.2</version>
</dependency>
compile
|-- javax.cache:cache-api:1.0.0
|-- org.codehaus.groovy:groovy-all:2.5.4
|-- org.slf4j:slf4j-api:1.7.25
|-- commons-codec:commons-codec:1.10
|-- org.apache.commons:commons-lang3:3.6
|-- org.apache.commons:commons-collections4:4.1
|-- org.threeten:threetenbp:1.3.6
|-- javax.mail:javax.mail-api:1.5.4
runtime