public static void dumpMemory(Address addr, int before, int after) { org.mmtk.vm.Memory.dumpMemory(addr, before, after);
public static void dumpMemory(Address addr, int beforeBytes, int afterBytes) { org.mmtk.vm.Memory.dumpMemory(addr, beforeBytes, afterBytes);
  public static void dumpMemory(Address addr, int before, int after) {    org.mmtk.vm.Memory.dumpMemory(addr, before, after);  }