this.logger = logger;
    }

    @Override
    public void artifactInstalling(RepositoryEvent event) {
        logger.info("Installing {} to {}", event.getArtifact().getFile(), event.getFile());
    }

    @Override
    public void metadataInstalling(RepositoryEvent event) {
        logger.debug("Installing {} to {}", event.getMetadata(), event.getFile());
    }

    @Override

            }

            @Nonnull
            @Override
            public Optional<Source> getInstallationSettingsSource() {
                return Optional.ofNullable(installationSettingsSource);
            }

            @Nonnull
            @Override
            public Optional<Source> getProjectSettingsSource() {

     */
    @Override
    public void delete(final String sessionId) {
        dataHelper.removeUrlQueueList(sessionId);
    }

    /*
     * (non-Javadoc)
     *
     * @see org.codelibs.fess.crawler.service.UrlQueueService#deleteAll()
     */
    @Override
    public void deleteAll() {
        dataHelper.clearUrlQueueList();
    }

        this.exception = exception;
    }

    @Override
    public String getSource() {
        return source;
    }

    @Override
    public int getLineNumber() {
        return lineNumber;
    }

    @Override
    public int getColumnNumber() {
        return columnNumber;
    }

    @Override
    public String getLocation() {

    }

    @Override
    public String getGroupId() {
        return metadata.getGroupId();
    }

    @Override
    public String getArtifactId() {
        return metadata.getArtifactId();
    }

    @Override
    public String getVersion() {
        return metadata.getVersion();
    }

    @Override
    public Nature getNature() {

      }
    }
  }

  private enum BuilderOp {
    ADD_ONE {
      @Override
      void doIt(ImmutableDoubleArray.Builder builder, AtomicInteger counter) {
        builder.add(counter.getAndIncrement());
      }
    },
    ADD_ARRAY {
      @Override
      void doIt(ImmutableDoubleArray.Builder builder, AtomicInteger counter) {

            logger.warn("Failed to ensure bucket exists: {}", bucket, e);
        }
    }

    @Override
    public boolean isAvailable() {
        try {
            return storage.get(bucket) != null;
        } catch (final Exception e) {
            return false;
        }
    }

    @Override
    public void close() {
        // GCS Storage client doesn't require explicit close

    }

    @CanIgnoreReturnValue
    @Override
    public Builder<K, V> put(K key, V value) {
      super.put(key, value);
      return this;
    }

    @CanIgnoreReturnValue
    @Override
    public Builder<K, V> put(Entry<? extends K, ? extends V> entry) {
      super.put(entry);
      return this;
    }

    @CanIgnoreReturnValue
    @Override

class ChannelSocketFactory : SocketFactory() {
  override fun createSocket(): Socket = SocketChannel.open().socket()

  override fun createSocket(
    host: String,
    port: Int,
  ): Socket = TODO("Not yet implemented")

  override fun createSocket(
    host: String,
    port: Int,
    localHost: InetAddress,
    localPort: Int,
  ): Socket = TODO("Not yet implemented")

  override fun createSocket(
    host: InetAddress,

        return 0;
    }

    @Override
    protected int writeParametersWireFormat(final byte[] dst, final int dstIndex) {
        return 0;
    }

    @Override
    protected int writeDataWireFormat(final byte[] dst, final int dstIndex) {
        return 0;
    }

    @Override
    protected int readParametersWireFormat(final byte[] buffer, final int bufferIndex, final int len) {