datahub/datahub-web/packages/data-portal/app/templates/components/pwr-user-lookup.hbs

<div
  class="ember-power-select-trigger ember-power-select-typeahead-trigger pwr-user-lookup__auto-suggestion"
>
  <Input
   @type="search"
   @role="combobox"
   @autocomplete="off"
   class="ember-power-select-typeahead-input ember-power-select-search-input pwr-user-lookup__auto-suggestion__input"
   placeholder={{if showPlaceholder "Add an owner"}}
   @value={{suggestedText}}
  />
</div>
<div class="pwr-user-lookup__typeahead-container">
  <PowerSelectTypeahead
    @searchPlaceholder="Add an owner"
    @options={{this.suggestionOptions}}
    @defaultHighlighted={{this.highlight}}
    @selected={{this.selectedEntity}}
    @search={{fn this.onSearch}}
    @onchange={{fn this.onChangeSelection}}
    as |name|
  >
    {{name}}
  </PowerSelectTypeahead>
</div>