<dependency>
  <groupId>com.google.appengine</groupId>
  <artifactId>parent</artifactId>
  <version>2.0.29</version>
  <type>pom</type>
</dependency>

implementation 'com.google.appengine:parent:2.0.29'

implementation("com.google.appengine:parent:2.0.29")

libraryDependencies += "com.google.appengine" % "parent" % "2.0.29"

@Grapes(
  @Grab(group='com.google.appengine', module='parent', version='2.0.29')
)

<dependency org="com.google.appengine" name="parent" rev="2.0.29" />

[com.google.appengine/parent "2.0.29"]

'com.google.appengine:parent:jar:2.0.29'