<dependency>
  <groupId>org.zkoss.zk</groupId>
  <artifactId>zul</artifactId>
  <version>7.0.3</version>
</dependency>

implementation 'org.zkoss.zk:zul:7.0.3'

implementation("org.zkoss.zk:zul:7.0.3")

libraryDependencies += "org.zkoss.zk" % "zul" % "7.0.3"

@Grapes(
  @Grab(group='org.zkoss.zk', module='zul', version='7.0.3')
)

<dependency org="org.zkoss.zk" name="zul" rev="7.0.3" />

[org.zkoss.zk/zul "7.0.3"]

'org.zkoss.zk:zul:jar:7.0.3'