+ - string:
+ name: JAVA_HOME
+ default: /usr/lib/jvm/java-1.8.0-openjdk-amd64
+ description: Java home
+ - string:
+ name: MVN_VERSION
+ default: 3.3.9
+ description: Maven version
+ - string:
+ name: MVN_URL
+ default: https://repo.maven.apache.org/maven2/org/apache/maven/apache-maven/$MVN_VERSION/apache-maven-${{MVN_VERSION}}-bin.zip
+ description: URL to download Maven
+ - string:
+ name: MVN
+ default: $WORKSPACE/apache-maven-${{MVN_VERSION}}/bin/mvn
+ description: Path to mvn executable