$attributes Additional attributes */ public function __construct(Node\Expr $cond, array $stmts = [], array $attributes = []) { $this->attributes = $attributes; $this->cond = $cond; $this->stmts = $stmts; } public function getSubNodeNames(): array { return ['cond', 'stmts']; } public function getType(): string { return 'Stmt_While'; } }