public Builder addAllResearchedTechs(
          java.lang.Iterable<? extends org.bwapi.proxy.messages.GameMessages.TechType> values) {
        if (researchedTechsBuilder_ == null) {
          ensureResearchedTechsIsMutable();
          super.addAll(values, researchedTechs_);
          onChanged();
        } else {
          researchedTechsBuilder_.addAllMessages(values);
        }
        return this;
      }