public Analyzer getAnalyzer(Language language, StemMode stemMode, boolean removeAccents) {
        return languageAnalyzers.computeIfAbsent(new AnalyzerKey(language, stemMode, removeAccents),
                                                 this::createAnalyzer);
    }
Retrieves an analyzer with a given params.
Sets up the analyzer if config is provided.
Default analyzer is the `StandardAnalyzer`.
lucene-linguistics/src/main/java/com/yahoo/language/lucene/AnalyzerFactory.java