<dependency>
  <groupId>org.zkoss.common</groupId>
  <artifactId>zel</artifactId>
  <version>9.0.0-RC</version>
</dependency>

implementation 'org.zkoss.common:zel:9.0.0-RC'

implementation("org.zkoss.common:zel:9.0.0-RC")

libraryDependencies += "org.zkoss.common" % "zel" % "9.0.0-RC"

@Grapes(
  @Grab(group='org.zkoss.common', module='zel', version='9.0.0-RC')
)

<dependency org="org.zkoss.common" name="zel" rev="9.0.0-RC" />

[org.zkoss.common/zel "9.0.0-RC"]

'org.zkoss.common:zel:jar:9.0.0-RC'