<dependency>
<groupId>com.typesafe.akka</groupId>
<artifactId>akka-http-experimental_2.12.0-RC1</artifactId>
<version>2.4.11</version>
</dependency>
libraryDependencies += "com.typesafe.akka" % "akka-http-experimental_2.12.0-RC1" % "2.4.11"
@Grapes(
@Grab(group='com.typesafe.akka', module='akka-http-experimental_2.12.0-RC1', version='2.4.11')
)
<dependency org="com.typesafe.akka" name="akka-http-experimental_2.12.0-RC1" rev="2.4.11" />