text: export default function () {
    return {
      restrict: 'A',
      replace: true,
      scope: {
        tooltipContent: '@popoverTooltipContent',
        tooltipPlacement: '@popoverTooltipPlacement',
        tooltipIsOpen: '=popoverTooltipIsOpen',
      },
      template:
        '<div class="tooltip {{tooltipPlacement}} fade" ng-class="{ in: tooltipIsOpen}">'
        + '<div class="tooltip-arrow"></div>'
        + '<div class="tooltip-inner">'
        + '<div data-ng-bind-html="tooltipContent"></div>'
        + '</div>'
        + '</div>',
    };
  }
  