class DNotExpr extends AbstractUnopExpr {
  public DNotExpr(Value op) {
    super(Grimp.v().newExprBox(op));
  }

  public Object clone() {
    return new DNotExpr(Grimp.cloneIfNecessary(getOpBox().getValue()));
  }

  public void toString(UnitPrinter up) {
    up.literal(" ! (");
    getOpBox().toString(up);
    up.literal(")");
  }

  public String toString() {
    return " ! (" + (getOpBox().getValue()).toString() + ")";
  }

  public Type getType() {<FILL_FUNCTION_BODY>}

  /*
   * NOTE THIS IS AN EMPTY IMPLEMENTATION OF APPLY METHOD
   */
  public void apply(Switch sw) {
  }

  /** Compares the specified object with this one for structural equality. */
  public boolean equivTo(Object o) {
    if (o instanceof DNotExpr) {
      return getOpBox().getValue().equivTo(((DNotExpr) o).getOpBox().getValue());
    }
    return false;
  }

  /** Returns a hash code for this object, consistent with structural equality. */
  public int equivHashCode() {
    return getOpBox().getValue().equivHashCode();
  }
}

    Value op = getOpBox().getValue();

    if (op.getType().equals(IntType.v()) || op.getType().equals(ByteType.v()) || op.getType().equals(ShortType.v())
        || op.getType().equals(BooleanType.v()) || op.getType().equals(CharType.v())) {
      return IntType.v();
    } else if (op.getType().equals(LongType.v())) {
      return LongType.v();
    } else if (op.getType().equals(DoubleType.v())) {
      return DoubleType.v();
    } else if (op.getType().equals(FloatType.v())) {
      return FloatType.v();
    } else {
      return UnknownType.v();
    }
  
<methods>public abstract java.lang.Object clone() ,public soot.Value getOp() ,public soot.ValueBox getOpBox() ,public final List<soot.ValueBox> getUseBoxes() ,public void setOp(soot.Value) <variables>protected final non-sealed soot.ValueBox opBox