</plugin>
      <plugin>
        <artifactId>maven-jar-plugin</artifactId>
        <configuration>
          <excludes>
            <!-- 2. Don't include the source in the jar (since that would let users depend on it from GWT client code, which is compiled from source). -->
            <exclude>**/ForceGuavaCompilation*</exclude>
            <exclude>**/DummyJavadocClass*</exclude>
          </excludes>