modules/ml-ext/ml/xgboost-model-parser/src/main/java/org/apache/ignite/ml/xgboost/parser/XGBoostModelLexer.java [122:172]:
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    };

    /** Literal names. */
    private static final String[] _LITERAL_NAMES = {
        null, "'yes'", "'no'", "'missing'", "'='", "','", "'+'", "'-'", "'.'",
        null, "'booster'", "'['", "']'", "':'", "'leaf'", null, null, null, null,
        "'<'"
    };

    /** Symbolic names. */
    private static final String[] _SYMBOLIC_NAMES = {
        null, "YES", "NO", "MISSING", "EQ", "COMMA", "PLUS", "MINUS", "DOT", "EXP",
        "BOOSTER", "LBRACK", "RBRACK", "COLON", "LEAF", "INT", "DOUBLE", "STRING",
        "NEWLINE", "LT", "WS"
    };

    /** Vocabulary. */
    public static final Vocabulary VOCABULARY = new VocabularyImpl(_LITERAL_NAMES, _SYMBOLIC_NAMES);

    /**
     * Token names.
     *
     * @deprecated Use {@link #VOCABULARY} instead.
     */
    @Deprecated
    public static final String[] tokenNames;

    /** */
    static {
        tokenNames = new String[_SYMBOLIC_NAMES.length];
        for (int i = 0; i < tokenNames.length; i++) {
            tokenNames[i] = VOCABULARY.getLiteralName(i);
            if (tokenNames[i] == null) {
                tokenNames[i] = VOCABULARY.getSymbolicName(i);
            }

            if (tokenNames[i] == null) {
                tokenNames[i] = "<INVALID>";
            }
        }
    }

    /** {@inheritDoc} */
    @Deprecated
    @Override public String[] getTokenNames() {
        return tokenNames;
    }

    /** {@inheritDoc} */
    @Override public Vocabulary getVocabulary() {
        return VOCABULARY;
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modules/ml-ext/ml/xgboost-model-parser/src/main/java/org/apache/ignite/ml/xgboost/parser/XGBoostModelParser.java [136:186]:
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    };

    /** Literal names. */
    private static final String[] _LITERAL_NAMES = {
        null, "'yes'", "'no'", "'missing'", "'='", "','", "'+'", "'-'", "'.'",
        null, "'booster'", "'['", "']'", "':'", "'leaf'", null, null, null, null,
        "'<'"
    };

    /** Symbolic names. */
    private static final String[] _SYMBOLIC_NAMES = {
        null, "YES", "NO", "MISSING", "EQ", "COMMA", "PLUS", "MINUS", "DOT", "EXP",
        "BOOSTER", "LBRACK", "RBRACK", "COLON", "LEAF", "INT", "DOUBLE", "STRING",
        "NEWLINE", "LT", "WS"
    };

    /** Vocabulary. */
    public static final Vocabulary VOCABULARY = new VocabularyImpl(_LITERAL_NAMES, _SYMBOLIC_NAMES);

    /**
     * Token names.
     *
     * @deprecated Use {@link #VOCABULARY} instead.
     */
    @Deprecated
    public static final String[] tokenNames;

    /** */
    static {
        tokenNames = new String[_SYMBOLIC_NAMES.length];
        for (int i = 0; i < tokenNames.length; i++) {
            tokenNames[i] = VOCABULARY.getLiteralName(i);
            if (tokenNames[i] == null) {
                tokenNames[i] = VOCABULARY.getSymbolicName(i);
            }

            if (tokenNames[i] == null) {
                tokenNames[i] = "<INVALID>";
            }
        }
    }

    /** {@inheritDoc} */
    @Deprecated
    @Override public String[] getTokenNames() {
        return tokenNames;
    }

    /** {@inheritDoc} */
    @Override public Vocabulary getVocabulary() {
        return VOCABULARY;
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