sinterface IManagedObjectCollector_v {

  // notify collector that there is an object in a location

  public void noteObject(VAddr start, int size);

  // same plus callback after compaction

  public void noteObject(VAddr start, int size, IVF1<VAddr> updateAddress);

  // notify collector that there is a pointer in a location

  public void notePointer(VAddr addr, IVF1<VAddr> updateAddress);

  default public void notePointer(VAddr addr) { notePointer(addr, null); }

  public void noteRootPointer(VAddr addr);

  // notify collector that there is a pointer array in a location

  public void notePointerArray(VAddr start);

  // notify collector that there is an int array in a location

  public void noteIntArray(VAddr start);

  void noteString(VAddr addr, IVF1<VAddr> updateAddress);

  //default void noteString(VAddr addr) { noteString(addr, null); }

  // call after collectAndCompact to get new location of objects

  // XX - I think we don't need this. Object moves are done through

  // callbacks (updateAddress) and are incremental and concurrent now

  VAddr getNewLocation(VAddr addr);

}