Fetch bigram information in getWordProperty().

            mBuffers.get()->getProbabilityDictContent()->getProbabilityEntry(

                    ptNodeParams.getTerminalId());

    const HistoricalInfo *const historicalInfo = probabilityEntry.getHistoricalInfo();

    // TODO: Fetch bigram information.

    // Fetch bigram information.

    std::vector<WordProperty::BigramProperty> bigrams;

    const int bigramListPos = getBigramsPositionOfPtNode(ptNodePos);

    if (bigramListPos != NOT_A_DICT_POS) {

        int bigramWord1CodePoints[MAX_WORD_LENGTH];

        const BigramDictContent *const bigramDictContent = mBuffers.get()->getBigramDictContent();

        const TerminalPositionLookupTable *const terminalPositionLookupTable =

                mBuffers.get()->getTerminalPositionLookupTable();

        bool hasNext = true;

        int readingPos = bigramListPos;

        while (hasNext) {

            const BigramEntry bigramEntry =

                    bigramDictContent->getBigramEntryAndAdvancePosition(&readingPos);

            hasNext = bigramEntry.hasNext();

            const int word1TerminalId = bigramEntry.getTargetTerminalId();

            const int word1TerminalPtNodePos =

                    terminalPositionLookupTable->getTerminalPtNodePosition(word1TerminalId);

            if (word1TerminalPtNodePos == NOT_A_DICT_POS) {

                continue;

            }

            // Word (unigram) probability

            int word1Probability = NOT_A_PROBABILITY;

            const int codePointCount = getCodePointsAndProbabilityAndReturnCodePointCount(

                    word1TerminalPtNodePos, MAX_WORD_LENGTH, bigramWord1CodePoints,

                    &word1Probability);

            std::vector<int> word1(bigramWord1CodePoints,

                    bigramWord1CodePoints + codePointCount);

            const HistoricalInfo *const historicalInfo = bigramEntry.getHistoricalInfo();

            const int probability = bigramEntry.hasHistoricalInfo() ?

                    ForgettingCurveUtils::decodeProbability(bigramEntry.getHistoricalInfo()) :

                    bigramEntry.getProbability();

            bigrams.push_back(WordProperty::BigramProperty(&word1, probability,

                    historicalInfo->getTimeStamp(), historicalInfo->getLevel(),

                    historicalInfo->getCount()));

        }

    }

    // Fetch shortcut information.

    std::vector<WordProperty::ShortcutProperty> shortcuts;

    int shortcutPos = getShortcutPositionOfPtNode(ptNodePos);