private com.google.protobuf.RepeatedFieldBuilder<
          org.bwapi.proxy.messages.GameMessages.UnitId, org.bwapi.proxy.messages.GameMessages.UnitId.Builder, org.bwapi.proxy.messages.GameMessages.UnitIdOrBuilder> 
          getMorphedUnitsFieldBuilder() {
        if (morphedUnitsBuilder_ == null) {
          morphedUnitsBuilder_ = new com.google.protobuf.RepeatedFieldBuilder<
              org.bwapi.proxy.messages.GameMessages.UnitId, org.bwapi.proxy.messages.GameMessages.UnitId.Builder, org.bwapi.proxy.messages.GameMessages.UnitIdOrBuilder>(
                  morphedUnits_,
                  ((bitField0_ & 0x00000400) == 0x00000400),
                  getParentForChildren(),
                  isClean());
          morphedUnits_ = null;
        }
        return morphedUnitsBuilder_;
      }