public Builder setRallyPosition(org.bwapi.proxy.messages.BasicTypes.Position value) {
        if (rallyPositionBuilder_ == null) {
          if (value == null) {
            throw new NullPointerException();
          }
          rallyPosition_ = value;
          onChanged();
        } else {
          rallyPositionBuilder_.setMessage(value);
        }
        bitField1_ |= 0x00080000;
        return this;
      }