'com.typesafe.akka:akka-actor_2.11.0-M5:2.2.1'
<dependency>
<groupId>com.typesafe.akka</groupId>
<artifactId>akka-actor_2.11.0-M5</artifactId>
<version>2.2.1</version>
</dependency>
<dependency org="com.typesafe.akka" name="akka-actor_2.11.0-M5" rev="2.2.1"/>
"com.typesafe.akka", "akka-actor_2.11.0-M5", "2.2.1"