buffer.append("=");
        return buffer.toString();
    }

    /**
     * Decodes the supplied Base-64 encoded string.
     *
     * @param string The Base-64 encoded string that is to be decoded.
     * @return A <code>byte[]</code> containing the decoded data block.
     */
    public static byte[] decode(String string) {
        int length = string.length();
        if (length == 0) return new byte[0];

        }
    }

    public void test_decode() {
        assertNull(permissionHelper.decode(null));
        assertNull(permissionHelper.decode(""));
        assertNull(permissionHelper.decode(" "));
        assertNull(permissionHelper.decode("D"));

        assertEquals("{user}guest", permissionHelper.decode("1guest"));
        assertEquals("{role}guest", permissionHelper.decode("Rguest"));

    }

    private static void decode(final String inData, final int inIndex, final byte[] outData, final int outIndex) {

        final byte b0 = DECODE_TABLE[inData.charAt(inIndex)];
        final byte b1 = DECODE_TABLE[inData.charAt(inIndex + 1)];
        final byte b2 = DECODE_TABLE[inData.charAt(inIndex + 2)];
        final byte b3 = DECODE_TABLE[inData.charAt(inIndex + 3)];

                _dst.enc_ndr_string(this.system_name);

            }
            _dst.enc_ndr_long(this.access_mask);
        }


        @Override
        public void decode_out ( NdrBuffer _src ) throws NdrException {
            this.handle.decode(_src);
            this.retval = _src.dec_ndr_long();
        }
    }

    public static class SamrConnect4 extends DcerpcMessage {

        @Override

        }
        public void decode_out(NdrBuffer _src) throws NdrException {
            int _domainsp = _src.dec_ndr_long();
            if (_domainsp != 0) {
                if (domains == null) { /* YOYOYO */
                    domains = new LsarRefDomainList();
                }
                domains.decode(_src);

            }
            names.decode(_src);
            count = (int)_src.dec_ndr_long();

                _src = _src.deferred;
                this.root_directory.decode(_src);

            }
            if ( _object_namep != 0 ) {
                if ( this.object_name == null ) { /* YOYOYO */
                    this.object_name = new rpc.unicode_string();
                }
                _src = _src.deferred;
                this.object_name.decode(_src);

            }

                    final String key = urlCodec.decode(pair.substring(0, pos), enc);
                    List<String> list = paramListMap.get(key);
                    if (list == null) {
                        list = new ArrayList<>();
                        paramListMap.put(key, list);
                    }
                    if (pos + 1 < pair.length()) {
                        list.add(urlCodec.decode(pair.substring(pos + 1), enc));

     */
    public long getLengthInBytes () {
        return this.lengthInBytes;
    }


    /**
     * {@inheritDoc}
     *
     * @see jcifs.Decodable#decode(byte[], int, int)
     */
    @Override
    public int decode ( byte[] buffer, int bufferIndex, int len ) throws SMBProtocolDecodingException {
        if ( this.largeFile ) {
            this.pid = SMBUtil.readInt2(buffer, bufferIndex);

    }


    @Override
    public long getSize () {
        return 0L;
    }


    /**
     * {@inheritDoc}
     *
     * @see jcifs.Decodable#decode(byte[], int, int)
     */
    @Override
    public int decode ( byte[] buffer, int bufferIndex, int len ) throws SMBProtocolDecodingException {
        int start = bufferIndex;
        this.createTime = SMBUtil.readTime(buffer, bufferIndex);

     *            エンコーディング。{@literal null}や空文字列であってはいけません
     * @return デコードされた文字列
     */
    public static String decode(final String s, final String enc) {
        assertArgumentNotEmpty("s", s);
        assertArgumentNotEmpty("enc", enc);

        try {
            return URLDecoder.decode(s, enc);
        } catch (final UnsupportedEncodingException e) {
            throw new IORuntimeException(e);
        }
    }