sinterface IManagedObjectCollector {

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

  public void noteObject(int start, int size);

  // same plus callback after compaction

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

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

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

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

  public void noteRootPointer(int addr);

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

  public void notePointerArray(int start);

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

  public void noteIntArray(int start);

  void noteString(int addr, IVF1<Int> updateAddress);

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

  // call after collectAndCompact to get new location of objects

  int getNewLocation(int addr);

}