md.getGroupId(),
                            md.getArtifactId(),
                            edge.getVersion(),
                            md.getType(),
                            md.getScopeAsEnum(),
                            md.getClassifier(),
                            edge.getArtifactUri(),
                            edge.getSource() == null

     */
    private String encodeId(final String objectName) {
        if (objectName == null) {
            return StringUtil.EMPTY;
        }
        return new String(Base64.getUrlEncoder().encode(objectName.getBytes(Constants.UTF_8_CHARSET)), Constants.UTF_8_CHARSET);
    }

                    outputFile.createNewFile();
                }
                // Write some dummy content to simulate actual thumbnail
                Files.write(outputFile.toPath(), ("thumbnail-" + thumbnailId).getBytes());
                return true;
            } catch (IOException e) {
                return false;
            }
        }

        @Override

     */
    private PacMac() {
        // Utility class
    }

    /**
     *
     */
    private static final String HMAC_KEY = "HMAC";
    private static final byte[] MD5_CONSTANT = "signaturekey\0".getBytes(StandardCharsets.US_ASCII);
    private static final byte[] ZERO_IV = { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 };

    /**
     * Calculates a MAC using the ARCFOUR-HMAC-MD5 algorithm.

        this.config = config;
        this.unicode = unicode;
    }

    @Override
    public String getName() {
        return this.filename;
    }

    @Override
    public int getType() {
        return SmbConstants.TYPE_FILESYSTEM;
    }

    /**
     * @return the fileIndex
     */
    @Override
    public int getFileIndex() {
        return this.fileIndex;
    }

    /**

            if (proxy != null) {
                org.apache.maven.repository.Proxy p = new org.apache.maven.repository.Proxy();
                p.setHost(proxy.getHost());
                p.setProtocol(proxy.getType());
                p.setPort(proxy.getPort());
                if (proxy.getAuthentication() != null) {
                    repo = new RemoteRepository.Builder(repo).setProxy(proxy).build();

     */
    private String encodeId(final String objectName) {
        if (objectName == null) {
            return StringUtil.EMPTY;
        }
        return new String(Base64.getUrlEncoder().encode(objectName.getBytes(Constants.UTF_8_CHARSET)), Constants.UTF_8_CHARSET);
    }

            // no password in tree connect
            dst[dstIndex++] = (byte) 0x00;
        }
        dstIndex += writeString(this.path, dst, dstIndex);
        try {
            System.arraycopy(this.service.getBytes("ASCII"), 0, dst, dstIndex, this.service.length());
        } catch (final UnsupportedEncodingException uee) {
            return 0;
        }
        dstIndex += this.service.length();

                    }
                }
               
                void logExecution() {
                    try {
                        Files.write(executionLogPath, "Test executed\\n".getBytes(), StandardOpenOption.CREATE, StandardOpenOption.APPEND);
                    } catch (IOException e) {
                        // exception handling
                    }
                }
            }

        sb.append('-').append(artifact.getBaseVersion());
        if (artifact.getClassifier() != null) {
            sb.append('-').append(artifact.getClassifier());
        }
        sb.append('.').append(artifact.getType()).append(LAST_UPDATE_TAG);
        return new File(artifact.getFile().getParentFile(), sb.toString());
    }

    File getTouchfile(RepositoryMetadata metadata, File file) {