src/main/java/org/apache/commons/text/StrTokenizer.java [436:464]:
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                tokens = split.toArray(ArrayUtils.EMPTY_STRING_ARRAY);
            }
        }
    }

    /**
     * Creates a new instance of this Tokenizer. The new instance is reset so
     * that it will be at the start of the token list.
     * If a {@link CloneNotSupportedException} is caught, return {@code null}.
     *
     * @return a new instance of this Tokenizer which has been reset.
     */
    @Override
    public Object clone() {
        try {
            return cloneReset();
        } catch (final CloneNotSupportedException ex) {
            return null;
        }
    }

    /**
     * Creates a new instance of this Tokenizer. The new instance is reset so that
     * it will be at the start of the token list.
     *
     * @return a new instance of this Tokenizer which has been reset.
     * @throws CloneNotSupportedException if there is a problem cloning
     */
    Object cloneReset() throws CloneNotSupportedException {
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src/main/java/org/apache/commons/text/StringTokenizer.java [460:487]:
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            tokens = split.toArray(ArrayUtils.EMPTY_STRING_ARRAY);
        }
    }

    /**
     * Creates a new instance of this Tokenizer. The new instance is reset so that it will be at the start of the token
     * list. If a {@link CloneNotSupportedException} is caught, return {@code null}.
     *
     * @return a new instance of this Tokenizer which has been reset.
     */
    @Override
    public Object clone() {
        try {
            return cloneReset();
        } catch (final CloneNotSupportedException ex) {
            return null;
        }
    }

    /**
     * Creates a new instance of this Tokenizer. The new instance is reset so that it will be at the start of the token
     * list.
     *
     * @return a new instance of this Tokenizer which has been reset.
     * @throws CloneNotSupportedException
     *             if there is a problem cloning
     */
    Object cloneReset() throws CloneNotSupportedException {
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