@Override
  public Object computeExpression(PsiElement expression, boolean throwExceptionOnOverflow, @Nullable PsiConstantEvaluationHelper.AuxEvaluator auxEvaluator) {
    return expression instanceof PsiExpression ? JavaConstantExpressionEvaluator.computeConstantExpression((PsiExpression)expression, null, throwExceptionOnOverflow, auxEvaluator) : null;
  }
@Override
  public Object computeExpression(PsiElement expression, boolean throwExceptionOnOverflow, @Nullable PsiConstantEvaluationHelper.AuxEvaluator auxEvaluator)