<dependency>
  <groupId>org.xmlunit</groupId>
  <artifactId>xmlunit-parent</artifactId>
  <version>2.8.4</version>
  <type>pom</type>
</dependency>

implementation 'org.xmlunit:xmlunit-parent:2.8.4'

implementation("org.xmlunit:xmlunit-parent:2.8.4")

libraryDependencies += "org.xmlunit" % "xmlunit-parent" % "2.8.4"

@Grapes(
  @Grab(group='org.xmlunit', module='xmlunit-parent', version='2.8.4')
)

<dependency org="org.xmlunit" name="xmlunit-parent" rev="2.8.4" />

[org.xmlunit/xmlunit-parent "2.8.4"]

'org.xmlunit:xmlunit-parent:jar:2.8.4'