public static byte[] readByteArrayThrowsRuntime(final DataInput in) {
        try {
            return readByteArray(in);
        } catch (Exception e) {
            throw new RuntimeException(e);
        }
    }
Read byte-array written with a WritableableUtils.vint prefix. IOException is converted to a
RuntimeException.

@param in Input to read from.
@return byte array read off <code>in</code>
stroom-bytebuffer/src/main/java/stroom/bytebuffer/hbase/Bytes.java