<dependency>
  <groupId>net.sourceforge.streamsupport</groupId>
  <artifactId>android-retrostreams</artifactId>
  <version>1.6.1</version>
</dependency>

implementation 'net.sourceforge.streamsupport:android-retrostreams:1.6.1'

implementation("net.sourceforge.streamsupport:android-retrostreams:1.6.1")

libraryDependencies += "net.sourceforge.streamsupport" % "android-retrostreams" % "1.6.1"

@Grapes(
  @Grab(group='net.sourceforge.streamsupport', module='android-retrostreams', version='1.6.1')
)

<dependency org="net.sourceforge.streamsupport" name="android-retrostreams" rev="1.6.1" />

[net.sourceforge.streamsupport/android-retrostreams "1.6.1"]

'net.sourceforge.streamsupport:android-retrostreams:jar:1.6.1'