<dependency>
  <groupId>io.reactivex</groupId>
  <artifactId>rxjava-async-util</artifactId>
  <version>0.21.0</version>
</dependency>

implementation 'io.reactivex:rxjava-async-util:0.21.0'

implementation("io.reactivex:rxjava-async-util:0.21.0")

libraryDependencies += "io.reactivex" % "rxjava-async-util" % "0.21.0"

@Grapes(
  @Grab(group='io.reactivex', module='rxjava-async-util', version='0.21.0')
)

<dependency org="io.reactivex" name="rxjava-async-util" rev="0.21.0" />

[io.reactivex/rxjava-async-util "0.21.0"]

'io.reactivex:rxjava-async-util:jar:0.21.0'