@NotNull
  @Override
  public Iterable<? extends NegatingGotoInstruction> getNegatingGotoInstruction() {
    if (myNegations == null) {
      return Collections.emptyList();
    }
    return myNegations;
  }
@NotNull
  @Override
  public Iterable<? extends NegatingGotoInstruction> getNegatingGotoInstruction()