<dependency>
<groupId>org.bedework.ical4j</groupId>
<artifactId>ical4j</artifactId>
<version>3.0.16</version>
</dependency>
compile
|-- org.slf4j:slf4j-api:1.7.25
|-- commons-codec:commons-codec:1.15
|-- org.apache.commons:commons-lang3:3.8.1
|-- org.apache.commons:commons-collections4:4.1
|-- com.sun.mail:javax.mail:1.6.2
|-- javax.cache:cache-api:1.0.0
|-- org.codehaus.groovy:groovy:3.0.7
|-- org.codehaus.groovy:groovy-dateutil:3.0.7
test
|-- org.codehaus.groovy:groovy-test:3.0.7
|-- org.codehaus.groovy:groovy-xml:3.0.7
|-- org.spockframework:spock-core:2.0-M4-groovy-3.0
|-- org.ccil.cowan.tagsoup:tagsoup:1.2.1