php-parser/lib/PhpParser/Node/Stmt/StaticVar.php

<?php declare(strict_types=1);

namespace PhpParser\Node\Stmt;

use PhpParser\Node;
use PhpParser\Node\Expr;

class StaticVar extends Node\Stmt
{
    /** @var Expr\Variable Variable */
    public $var;
    /** @var null|Node\Expr Default value */
    public $default;

    /**
     * Constructs a static variable node.
     *
     * @param Expr\Variable  $var         Name
     * @param null|Node\Expr $default    Default value
     * @param array          $attributes Additional attributes
     */
    public function __construct(
        Expr\Variable $var, Node\Expr $default = null, array $attributes = []
    ) {
        parent::__construct($attributes);
        $this->var = $var;
        $this->default = $default;
    }

    public function getSubNodeNames() : array {
        return ['var', 'default'];
    }
}