ios – Tips on how to change clear button icon colour for GMSAutocompleteViewController in swift?

I’m utilizing GMSAutocompleteViewController for place search. However the clear button has very poor visibility so I wish to change the colour however no thought how.

func confirmLocationAction() 
                                                (GMSPlaceField.formattedAddress.rawValue))
    autocompleteController.placeFields = fields
    // Specify a filter.
    let filter = GMSAutocompleteFilter()
    filter.sort = .noFilter
    autocompleteController.autocompleteFilter = filter
    // Show the autocomplete view controller.
    current(autocompleteController, animated: true, completion: nil)