public Builder clearRallyPosition() {
        if (rallyPositionBuilder_ == null) {
          rallyPosition_ = org.bwapi.proxy.messages.BasicTypes.Position.getDefaultInstance();
          onChanged();
        } else {
          rallyPositionBuilder_.clear();
        }
        bitField1_ = (bitField1_ & ~0x00080000);
        return this;
      }