<dependency>
  <groupId>io.reactivex.rxjava2</groupId>
  <artifactId>rxjava</artifactId>
  <version>2.0.0-RC3</version>
</dependency>

implementation 'io.reactivex.rxjava2:rxjava:2.0.0-RC3'

implementation("io.reactivex.rxjava2:rxjava:2.0.0-RC3")

libraryDependencies += "io.reactivex.rxjava2" % "rxjava" % "2.0.0-RC3"

@Grapes(
  @Grab(group='io.reactivex.rxjava2', module='rxjava', version='2.0.0-RC3')
)

<dependency org="io.reactivex.rxjava2" name="rxjava" rev="2.0.0-RC3" />

[io.reactivex.rxjava2/rxjava "2.0.0-RC3"]

'io.reactivex.rxjava2:rxjava:jar:2.0.0-RC3'