public Builder setBullets(
          int index, org.bwapi.proxy.messages.GameMessages.Bullet.Builder builderForValue) {
        if (bulletsBuilder_ == null) {
          ensureBulletsIsMutable();
          bullets_.set(index, builderForValue.build());
          onChanged();
        } else {
          bulletsBuilder_.setMessage(index, builderForValue.build());
        }
        return this;
      }