def METHOD_NAME(cls, vnode: interfaces.objects.ObjectInterface) -> Optional[str]:
    # roots of mount points have special name handling
    if vnode.v_flag & 1 == 1:
        v_name = vnode.full_path()
    else:
        try:
            v_name = utility.pointer_to_string(vnode.v_name, 255)
        except exceptions.InvalidAddressException:
            v_name = None
    return v_name