public Builder addAllMorphedUnits(
          java.lang.Iterable<? extends org.bwapi.proxy.messages.GameMessages.UnitId> values) {
        if (morphedUnitsBuilder_ == null) {
          ensureMorphedUnitsIsMutable();
          super.addAll(values, morphedUnits_);
          onChanged();
        } else {
          morphedUnitsBuilder_.addAllMessages(values);
        }
        return this;
      }