@Override
    public String toString() {
      return myInstruction.getIndex() + " " + myInstruction + ": " + myTopOfStack +
             (myChanges.isEmpty() ? "" :
              "; Changes: " + EntryStream.of(myChanges).join(": ", "\n\t", "").joining()) +
             (myBridgeChanges.isEmpty() ? "" :
              "; Bridge changes: " + EntryStream.of(myBridgeChanges).join(": ", "\n\t", "").joining());
    }
@Override
    public String toString()