@Override
    public Set<String> getEntityTypes() {
        return entityTypes;
    }
Creates a chain of Named Entity recognisers

@param models map of entityType -&gt; model path
              NOTE: the model path should be known to class loader.
tika-parsers/tika-parsers-ml/tika-parser-nlp-module/src/main/java/org/apache/tika/parser/ner/opennlp/OpenNLPNERecogniser.java