default() {
      return {
        gpuAcceleration: false
      }
    }
@param {HTMLElement} [reference=$refs.reference] - The reference element used to position the popper.
@param {HTMLElement} [popper=$refs.popper] - The HTML element used as popper, or a configuration used to generate the popper.
@param {String} [placement=button] - Placement of the popper accepted values: top(-start, -end), right(-start, -end), bottom(-start, -end), left(-start, -end)
@param {Number} [offset=0] - Amount of pixels the popper will be shifted (can be negative).
@param {Boolean} [visible=false] Visibility of the popup element.
@param {Boolean} [visible-arrow=false] Visibility of the arrow, no style.