<dependency>
  <groupId>org.jruby.extras</groupId>
  <artifactId>constantine</artifactId>
  <version>0.6</version>
</dependency>

implementation 'org.jruby.extras:constantine:0.6'

implementation("org.jruby.extras:constantine:0.6")

libraryDependencies += "org.jruby.extras" % "constantine" % "0.6"

@Grapes(
  @Grab(group='org.jruby.extras', module='constantine', version='0.6')
)

<dependency org="org.jruby.extras" name="constantine" rev="0.6" />

[org.jruby.extras/constantine "0.6"]

'org.jruby.extras:constantine:jar:0.6'