public static DataRange fromByteOffset(final long byteOffsetFrom, final long length) {
        return new DataRange(null,
                null,
                byteOffsetFrom,
                null,
                null,
                null,
                length);
    }
@param byteOffsetFrom Zero based
@param length         The number of chars in the range
stroom-util-shared/src/main/java/stroom/util/shared/DataRange.java