<dependency>
  <groupId>ant</groupId>
  <artifactId>ant-junit</artifactId>
  <version>1.6</version>
</dependency>

implementation 'ant:ant-junit:1.6'

implementation("ant:ant-junit:1.6")

libraryDependencies += "ant" % "ant-junit" % "1.6"

@Grapes(
  @Grab(group='ant', module='ant-junit', version='1.6')
)

<dependency org="ant" name="ant-junit" rev="1.6" />

[ant/ant-junit "1.6"]

'ant:ant-junit:jar:1.6'