final Settings settings) {
        super(indexSettings, name, settings);
    }

    @Override
    public TokenStream create(final TokenStream tokenStream) {
        tokenStream.addAttribute(DisableGraphAttribute.class);
        return tokenStream;
    }

            posTags.addAll(tagList);
        }
    }

    @Override
    public TokenStream create(final TokenStream tokenStream) {
        final PartOfSpeechAttribute posAtt = tokenStream.addAttribute(PartOfSpeechAttribute.class);
        return new PosConcatenationFilter(tokenStream, posTags, () -> posAtt.getPartOfSpeech());
    }

    private MyToken prevToken;

    private final List<MyToken> synonyms;

    private final CharTermAttribute termAttr = addAttribute(CharTermAttribute.class);

    private final OffsetAttribute offsetAttr = addAttribute(OffsetAttribute.class);

    private final PositionIncrementAttribute posIncAttr = addAttribute(PositionIncrementAttribute.class);

        return value;
    }

    /**
     * Adds an attribute to the factory.
     * @param name The name of the attribute.
     * @param value The value of the attribute.
     */
    public void addAttribute(final String name, final Object value) {
        attributeMap.put(name, value);
    }

    /**
     * Adds a feature to the factory.
     * @param key The key of the feature.