@Override
  public void visitParenthesizedExpression(@NotNull GrParenthesizedExpression expression) {
    builder.append('(');
    final GrExpression operand = expression.getOperand();
    if (operand != null) {
      operand.accept(this);
    }
    builder.append(')');
  }
@Override
  public void visitParenthesizedExpression(@NotNull GrParenthesizedExpression expression)