<dependency>
  <groupId>org.zkoss.zk</groupId>
  <artifactId>zul</artifactId>
  <version>6.5.0</version>
</dependency>

implementation 'org.zkoss.zk:zul:6.5.0'

implementation("org.zkoss.zk:zul:6.5.0")

libraryDependencies += "org.zkoss.zk" % "zul" % "6.5.0"

@Grapes(
  @Grab(group='org.zkoss.zk', module='zul', version='6.5.0')
)

<dependency org="org.zkoss.zk" name="zul" rev="6.5.0" />

[org.zkoss.zk/zul "6.5.0"]

'org.zkoss.zk:zul:jar:6.5.0'