public Builder setInitialTilePosition(
          org.bwapi.proxy.messages.BasicTypes.TilePosition.Builder builderForValue) {
        if (initialTilePositionBuilder_ == null) {
          initialTilePosition_ = builderForValue.build();
          onChanged();
        } else {
          initialTilePositionBuilder_.setMessage(builderForValue.build());
        }
        bitField0_ |= 0x10000000;
        return this;
      }