'de.heikoseeberger:akka-http-json-spray_2.11:0.3.0'
<dependency>
<groupId>de.heikoseeberger</groupId>
<artifactId>akka-http-json-spray_2.11</artifactId>
<version>0.3.0</version>
</dependency>
<dependency org="de.heikoseeberger" name="akka-http-json-spray_2.11" rev="0.3.0"/>
"de.heikoseeberger", "akka-http-json-spray_2.11", "0.3.0"