<dependency>
  <groupId>org.zkoss.common</groupId>
  <artifactId>zel</artifactId>
  <version>6.5.4</version>
</dependency>

implementation 'org.zkoss.common:zel:6.5.4'

implementation("org.zkoss.common:zel:6.5.4")

libraryDependencies += "org.zkoss.common" % "zel" % "6.5.4"

@Grapes(
  @Grab(group='org.zkoss.common', module='zel', version='6.5.4')
)

<dependency org="org.zkoss.common" name="zel" rev="6.5.4" />

[org.zkoss.common/zel "6.5.4"]

'org.zkoss.common:zel:jar:6.5.4'