'org.eclipse.californium:cf-proxy:1.0.0-M2'
<dependency>
<groupId>org.eclipse.californium</groupId>
<artifactId>cf-proxy</artifactId>
<version>1.0.0-M2</version>
</dependency>
<dependency org="org.eclipse.californium" name="cf-proxy" rev="1.0.0-M2"/>
"org.eclipse.californium", "cf-proxy", "1.0.0-M2"