<groupId>com.google.guava</groupId>
<artifactId>guava</artifactId>
</dependency>
+ <dependency>
+ <groupId>com.github.spotbugs</groupId>
+ <artifactId>spotbugs-annotations</artifactId>
+ <optional>true</optional>
+ </dependency>
<dependency>
<groupId>org.opendaylight.yangtools</groupId>
<artifactId>concepts</artifactId>