'de.knutwalker:akka-http-json_2.11:2.0.0'
<dependency>
<groupId>de.knutwalker</groupId>
<artifactId>akka-http-json_2.11</artifactId>
<version>2.0.0</version>
</dependency>
<dependency org="de.knutwalker" name="akka-http-json_2.11" rev="2.0.0"/>
"de.knutwalker", "akka-http-json_2.11", "2.0.0"