public static UUID readGuid(byte[] byteArray, int startIndex) {
        byte[] bytes = Arrays.copyOfRange(byteArray, startIndex, startIndex + 16);
        return UUID.nameUUIDFromBytes(bytes);
    }
This method is used to read the Guid for byte array.

@param byteArray  The byte array.
@param startIndex The offset of the Guid value.
@return Return the value of Guid.
tika-parsers/tika-parsers-standard/tika-parsers-standard-modules/tika-parser-microsoft-module/src/main/java/org/apache/tika/parser/microsoft/onenote/fsshttpb/streamobj/basic/AdapterHelper.java