<dependency>
  <groupId>com.oracle.database.xml</groupId>
  <artifactId>xdb</artifactId>
  <version>21.6.0.0.1</version>
</dependency>

implementation 'com.oracle.database.xml:xdb:21.6.0.0.1'

implementation("com.oracle.database.xml:xdb:21.6.0.0.1")

libraryDependencies += "com.oracle.database.xml" % "xdb" % "21.6.0.0.1"

@Grapes(
  @Grab(group='com.oracle.database.xml', module='xdb', version='21.6.0.0.1')
)

<dependency org="com.oracle.database.xml" name="xdb" rev="21.6.0.0.1" />

[com.oracle.database.xml/xdb "21.6.0.0.1"]

'com.oracle.database.xml:xdb:jar:21.6.0.0.1'