PHP-Parser/lib/PhpParser/Node/Expr/BinaryOp/Coalesce.php

<?php declare(strict_types=1);

namespace PhpParser\Node\Expr\BinaryOp;

use PhpParser\Node\Expr\BinaryOp;

class Coalesce extends BinaryOp
{
    public function getOperatorSigil() : string {
        return '??';
    }
    
    public function getType() : string {
        return 'Expr_BinaryOp_Coalesce';
    }
}