public Builder setGroundWeapon(
          org.bwapi.proxy.messages.GameMessages.WeaponType.Builder builderForValue) {
        if (groundWeaponBuilder_ == null) {
          groundWeapon_ = builderForValue.build();
          onChanged();
        } else {
          groundWeaponBuilder_.setMessage(builderForValue.build());
        }
        bitField1_ |= 0x00000002;
        return this;
      }