php-parser/lib/PhpParser/Node/Expr/BinaryOp/Mul.php

<?php declare(strict_types=1);

namespace PhpParser\Node\Expr\BinaryOp;

use PhpParser\Node\Expr\BinaryOp;

class Mul extends BinaryOp
{
    public function getOperatorSigil() : string {
        return '*';
    }
    
    public function getType() : string {
        return 'Expr_BinaryOp_Mul';
    }
}