className: appendClassName()

in packages/react-search-ui-views/src/SearchBox.tsx [144:156]


                    className: appendClassName(
                      "button sui-search-box__submit",
                      className
                    ),
                    ...rest
                  };
                }}
                getAutocomplete={() => {
                  if (
                    useAutocomplete &&
                    isOpen &&
                    allAutocompletedItemsCount > 0
                  ) {