public void gcspyGatherData(int event, TreadmillDriver tmDriver) {   fromSpace.gcspyGatherData(tmDriver); toSpace.gcspyGatherData(tmDriver);
public void gcspyGatherData(int event, TreadmillDriver tmDriver, boolean tospace) { if (tospace) toSpace.gcspyGatherData(tmDriver); else fromSpace.gcspyGatherData(tmDriver);
  public void gcspyGatherData(int event, TreadmillDriver tmDriver) {    // for now, let's look through both spaces    // we might want to return something to help resize the GCSpy space    fromSpace.gcspyGatherData(tmDriver);    toSpace.gcspyGatherData(tmDriver);  }