public Builder addTechs(
          int index, org.bwapi.proxy.messages.GameMessages.TechTypeData.Builder builderForValue) {
        if (techsBuilder_ == null) {
          ensureTechsIsMutable();
          techs_.add(index, builderForValue.build());
          onChanged();
        } else {
          techsBuilder_.addMessage(index, builderForValue.build());
        }
        return this;
      }