4.0.0 org.zkoss.zk zk-parent ../zk-parent/pom.xml 9.6.6.1-Eval org.zkoss.common zel jar The ZK EL Library https://www.zkoss.org/common The ZK EL library Apache License, Version 2.0 https://www.apache.org/licenses/LICENSE-2.0 repo org.slf4j slf4j-api true org.javassist javassist