code: function updateAttributes(instance) {
      if (instance.horizontalAlignment !== instance._lastHorizontalAlignment) {
        const horizontalAlignment = instance.horizontalAlignment === HORIZONTAL_ALIGN.LEFT ? 'left' : 'right'
        instance._root.setAttribute('data-horizontal-align', horizontalAlignment)
        instance._lastHorizontalAlignment = instance.horizontalAlignment
      }
      if (instance.verticalAlignment !== instance._lastVerticalAlignment) {
        const verticalAlignment = instance.verticalAlignment === VERTICAL_ALIGN.TOP ? 'top' : 'bottom'
        instance._root.setAttribute('data-vertical-align', verticalAlignment)
        instance._lastVerticalAlignment = instance.verticalAlignment
      }
    }
docs: Updates the attributes on the szn-tethered element reporting the current alignment to the tethering element.
  
  @param {SznElements.SznTethered} instance The szn-tethered element instance.