<artifactId>yang-common</artifactId>
<version>${yangtools.version}</version>
</dependency>
+ <dependency>
+ <groupId>org.opendaylight.yangtools.model</groupId>
+ <artifactId>yang-ext</artifactId>
+ <version>${yang.ext.version}</version>
+ </dependency>
<dependency>
<groupId>org.opendaylight.yangtools.model</groupId>
<artifactId>ietf-inet-types</artifactId>