void fireActiveLookupChanged(LookupImpl oldLookup, LookupImpl newLookup) {
    myPropertyChangeSupport.firePropertyChange(PROP_ACTIVE_LOOKUP, oldLookup, newLookup);
    myProject.getMessageBus().syncPublisher(LookupManagerListener.TOPIC).activeLookupChanged(oldLookup, newLookup);
  }
void fireActiveLookupChanged(LookupImpl oldLookup, LookupImpl newLookup)