<groupId>org.opendaylight.mdsal.model</groupId>
<artifactId>yang-ext</artifactId>
</dependency>
+ <dependency>
+ <groupId>org.opendaylight.mdsal</groupId>
+ <artifactId>mdsal-singleton-common-api</artifactId>
+ </dependency>
<!-- net utils dependencies -->
<dependency>
<groupId>com.googlecode.java-ipv6</groupId>