<dependency>
  <groupId>com.my.target.mediation</groupId>
  <artifactId>admob</artifactId>
  <version>20.3.0.2</version>
  <type>aar</type>
</dependency>

implementation 'com.my.target.mediation:admob:20.3.0.2'

implementation("com.my.target.mediation:admob:20.3.0.2")

libraryDependencies += "com.my.target.mediation" % "admob" % "20.3.0.2"

@Grapes(
  @Grab(group='com.my.target.mediation', module='admob', version='20.3.0.2')
)

<dependency org="com.my.target.mediation" name="admob" rev="20.3.0.2" />

[com.my.target.mediation/admob "20.3.0.2"]

'com.my.target.mediation:admob:jar:20.3.0.2'