<groupId>org.opendaylight.mdsal.model</groupId>
<artifactId>yang-ext</artifactId>
</dependency>
+ <dependency>
+ <groupId>org.opendaylight.mdsal.binding.model.ietf</groupId>
+ <artifactId>rfc8040</artifactId>
+ </dependency>
<dependency>
<groupId>org.kohsuke.metainf-services</groupId>
<artifactId>metainf-services</artifactId>