<button
  class="kuiToggleButton"
  ng-click="toggleButton.onClick()"
>
  <span
    ng-class="{'fa-caret-down': !toggleButton.isCollapsed, 'fa-caret-right': toggleButton.isCollapsed}"
    class="kuiToggleButton__icon kuiIcon"
  ></span>
  {{ toggleButton.text }}
</button>
