docs: function updatePosition(instance, tetherBounds) {
      const x = tetherBounds.x + (instance.horizontalAlignment === HORIZONTAL_ALIGN.LEFT ? 0 : tetherBounds.width)
      const y = tetherBounds.y + (instance.verticalAlignment === VERTICAL_ALIGN.TOP ? 0 : tetherBounds.height)
  
      if (transformsSupported) {
        instance._root.style.transform = `translate(${x}px, ${y}px)`
      } else {
        instance._root.style.left = `${x}px`
        instance._root.style.top = `${y}px`
      }
    }