[ERROR] BUILD FAILURE
[INFO] ------------------------------------------------------------------------
[INFO] Compilation failure
/Users/hbraun/dev/prj/errai/trunk/errai-bus/src/main/java/org/jboss/errai/bus/client/api/builder/MessageBuildSubject.java:[3,45]
cannot find symbol
symbol: class MessageBuild
public interface MessageBuildSubject extends MessageBuild {
Seems like MessageBuild is missing.