<dependency>
  <groupId>io.reactivex.rxjava2</groupId>
  <artifactId>rxkotlin</artifactId>
  <version>2.4.0</version>
</dependency>

implementation 'io.reactivex.rxjava2:rxkotlin:2.4.0'

implementation("io.reactivex.rxjava2:rxkotlin:2.4.0")

libraryDependencies += "io.reactivex.rxjava2" % "rxkotlin" % "2.4.0"

@Grapes(
  @Grab(group='io.reactivex.rxjava2', module='rxkotlin', version='2.4.0')
)

<dependency org="io.reactivex.rxjava2" name="rxkotlin" rev="2.4.0" />

[io.reactivex.rxjava2/rxkotlin "2.4.0"]

'io.reactivex.rxjava2:rxkotlin:jar:2.4.0'