<dependency>
  <groupId>org.reactivestreams</groupId>
  <artifactId>reactive-streams</artifactId>
  <version>0.4.0.M1</version>
</dependency>

implementation 'org.reactivestreams:reactive-streams:0.4.0.M1'

implementation("org.reactivestreams:reactive-streams:0.4.0.M1")

libraryDependencies += "org.reactivestreams" % "reactive-streams" % "0.4.0.M1"

@Grapes(
  @Grab(group='org.reactivestreams', module='reactive-streams', version='0.4.0.M1')
)

<dependency org="org.reactivestreams" name="reactive-streams" rev="0.4.0.M1" />

[org.reactivestreams/reactive-streams "0.4.0.M1"]

'org.reactivestreams:reactive-streams:jar:0.4.0.M1'