public Builder addAllUnitTypes(
          java.lang.Iterable<? extends org.bwapi.proxy.messages.GameMessages.UnitTypeData> values) {
        if (unitTypesBuilder_ == null) {
          ensureUnitTypesIsMutable();
          super.addAll(values, unitTypes_);
          onChanged();
        } else {
          unitTypesBuilder_.addAllMessages(values);
        }
        return this;
      }