private void writeContrasts(Map<Cols, String> data, ContrastStatistics contrastStatistics) {
        writeContrastString(data, Cols.TOP_10_MORE_IN_A, contrastStatistics.getTopNMoreA());
        writeContrastString(data, Cols.TOP_10_MORE_IN_B, contrastStatistics.getTopNMoreB());
        writeContrastString(data, Cols.TOP_10_UNIQUE_TOKEN_DIFFS_A, contrastStatistics.getTopNUniqueA());
        writeContrastString(data, Cols.TOP_10_UNIQUE_TOKEN_DIFFS_B, contrastStatistics.getTopNUniqueB());
        data.put(Cols.OVERLAP, Double.toString(contrastStatistics.getOverlap()));
        data.put(Cols.DICE_COEFFICIENT, Double.toString(contrastStatistics.getDiceCoefficient()));

    }
Try to find the matching metadata based on the AbstractRecursiveParserWrapperHandler.EMBEDDED_RESOURCE_PATH
If you can't find it, return -1;

@param aIndex        index for match in metadataListA
@param metadataListA
@param metadataListB
@return
tika-eval/tika-eval-app/src/main/java/org/apache/tika/eval/app/ExtractComparer.java