customComponents property
        
        dynamic
        customComponents
        
      
getter/setter pair
      A hook for adding custom components to the accessibility module. Should be an object mapping component names to instances of classes inheriting from the Highcharts.AccessibilityComponent base class. Remember to add the component to the keyboardNavigation.order for the keyboard navigation to be usable.
API Docs: https://api.highcharts.com/highcharts/accessibility.customComponents
Implementation
dynamic customComponents;