@Deprecated // TODO: Remove on Vespa 9
    default List<StemList> stem(String input, StemMode mode, Language language) {
        return stem(input, new LinguisticsParameters(language, mode, true, true));
    }
Stem input according to specified stemming mode.

@param input    the string to stem.
@param mode     the stemming mode
@param language the language to use for stemming
@return a list of possible stems. Empty if none.
@throws ProcessingException thrown if there is an exception stemming this input
@deprecated use #stem(String, LinguisticsParameters)
linguistics/src/main/java/com/yahoo/language/process/Stemmer.java