<dependency>
  <groupId>io.reactivex</groupId>
  <artifactId>rxjava</artifactId>
  <version>1.0.15</version>
</dependency>

implementation 'io.reactivex:rxjava:1.0.15'

implementation("io.reactivex:rxjava:1.0.15")

libraryDependencies += "io.reactivex" % "rxjava" % "1.0.15"

@Grapes(
  @Grab(group='io.reactivex', module='rxjava', version='1.0.15')
)

<dependency org="io.reactivex" name="rxjava" rev="1.0.15" />

[io.reactivex/rxjava "1.0.15"]

'io.reactivex:rxjava:jar:1.0.15'