<dependency>
  <groupId>org.codehaus.gant</groupId>
  <artifactId>gant_groovy1.8</artifactId>
  <version>1.9.8</version>
</dependency>

implementation 'org.codehaus.gant:gant_groovy1.8:1.9.8'

implementation("org.codehaus.gant:gant_groovy1.8:1.9.8")

libraryDependencies += "org.codehaus.gant" % "gant_groovy1.8" % "1.9.8"

@Grapes(
  @Grab(group='org.codehaus.gant', module='gant_groovy1.8', version='1.9.8')
)

<dependency org="org.codehaus.gant" name="gant_groovy1.8" rev="1.9.8" />

[org.codehaus.gant/gant_groovy1.8 "1.9.8"]

'org.codehaus.gant:gant_groovy1.8:jar:1.9.8'