static @NotNull UExpression normalize(@NotNull UExpression expression) {
    if (expression instanceof UPolyadicExpression && ((UPolyadicExpression)expression).getOperator() == UastBinaryOperator.PLUS) {
      List<UExpression> operands = ((UPolyadicExpression)expression).getOperands();
      if (operands.size() == 1) {
        return operands.get(0);
      }
    }
    return expression;
  }
static @NotNull UExpression normalize(@NotNull UExpression expression)