async function setup(elm, autocomplete) {
          // eslint-disable-next-line no-param-reassign
          elm.autocomplete = autocomplete;
          // eslint-disable-next-line no-param-reassign
          elm.activeIndex = -1;
          // eslint-disable-next-line no-param-reassign
          elm.setCheckedIndex(-1);
          // eslint-disable-next-line no-param-reassign
          elm.opened = true;
          await elm.updateComplete;
        }
@param {LionCombobox} elm
@param {'none'|'list'|'inline'|'both'} autocomplete