or `"both"`, 
authors should use the `aria-expanded` state to communicate whether the element that presents the suggestion collection is displayed.

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### What to do

* Remove the `aria-autocomplete` attribute from any popup elements of the combobox
* **And**, if autocomplete behavior is desired, verify that only the text input element of the combobox has the `aria-autocomplete` attribute 
and that it is set to a value that corresponds to the intended behavior

Combobox behaviors: