<dependency>
  <groupId>com.google.appengine</groupId>
  <artifactId>jetty12-assembly</artifactId>
  <version>2.0.31</version>
  <type>pom</type>
</dependency>

implementation 'com.google.appengine:jetty12-assembly:2.0.31'

implementation("com.google.appengine:jetty12-assembly:2.0.31")

libraryDependencies += "com.google.appengine" % "jetty12-assembly" % "2.0.31"

@Grapes(
  @Grab(group='com.google.appengine', module='jetty12-assembly', version='2.0.31')
)

<dependency org="com.google.appengine" name="jetty12-assembly" rev="2.0.31" />

[com.google.appengine/jetty12-assembly "2.0.31"]

'com.google.appengine:jetty12-assembly:jar:2.0.31'