* @return written bytes
     */
    public int writeWireFormat(final byte[] dst, final int dstIndex) {
        this.length = writeTrailerWireFormat(dst, dstIndex + HEADER_LENGTH);
        writeHeaderWireFormat(dst, dstIndex);
        return HEADER_LENGTH + this.length;
    }

    int readWireFormat(final InputStream in, final byte[] buffer, final int bufferIndex) throws IOException {

     * @return the number of bytes written
     */
    public int writeWireFormat(final byte[] dst, final int dstIndex) {
        length = writeTrailerWireFormat(dst, dstIndex + HEADER_LENGTH);
        writeHeaderWireFormat(dst, dstIndex);
        return HEADER_LENGTH + length;
    }

    int readWireFormat(final InputStream in, final byte[] buffer, final int bufferIndex) throws IOException {