* are skipped over in decoding.
   *
   * @throws IllegalArgumentException if any alphabet or padding characters appear in the separator
   *     string, or if {@code n <= 0}
   * @throws UnsupportedOperationException if this encoding already uses a separator
   */
  public abstract BaseEncoding withSeparator(String separator, int n);

  /**

     */
    public static String getResourcePath(final String path, final String extension) {
        assertArgumentNotNull("path", path);

        if (extension == null) {
            return path;
        }
        final String ext = "." + extension;
        if (path.endsWith(ext)) {
            return path;
        }
        return path.replace('.', '/') + ext;
    }

    /**
     * Returns the resource path.

        Collection<String> scopes = Collections.emptyList();

        if (classpath != null && !classpath.isEmpty()) {
            if (Artifact.SCOPE_COMPILE.equals(classpath)) {
                scopes = Arrays.asList(Artifact.SCOPE_COMPILE, Artifact.SCOPE_SYSTEM, Artifact.SCOPE_PROVIDED);
            } else if (Artifact.SCOPE_RUNTIME.equals(classpath)) {

     * @param dst the destination buffer for encoding
     * @throws NdrException if encoding fails
     */
    public abstract void encode(NdrBuffer dst) throws NdrException;

    /**
     * Decodes this NDR object from the specified buffer
     * @param src the source buffer for decoding
     * @throws NdrException if decoding fails
     */
    public abstract void decode(NdrBuffer src) throws NdrException;

     * @param dst the destination buffer for encoding
     * @throws NdrException if encoding fails
     */
    public abstract void encode(NdrBuffer dst) throws NdrException;

    /**
     * Decodes this NDR object from the specified buffer
     * @param src the source buffer for decoding
     * @throws NdrException if decoding fails
     */
    public abstract void decode(NdrBuffer src) throws NdrException;

func (tag Tag) IsEmpty() bool {
	return tag.Key == ""
}

// Validate checks this tag.
func (tag Tag) Validate() error {
	if len(tag.Key) == 0 || utf8.RuneCountInString(tag.Key) > 128 {
		return errInvalidTagKey
	}

	if utf8.RuneCountInString(tag.Value) > 256 {
		return errInvalidTagValue
	}

	return nil

        if (ongoing.get(new TransferResourceIdentifier(event.getResource())) == Boolean.FALSE) {
            throw new TransferCancelledException();
        }
        put(event, false);
    }

    @Override
    public void transferProgressed(TransferEvent event) throws TransferCancelledException {

    private final AnInterface i;

    public HasAnInterface(AnInterface i) {
      this.i = i;
    }

    @Override
    public boolean equals(@Nullable Object obj) {
      if (obj instanceof HasAnInterface) {
        HasAnInterface that = (HasAnInterface) obj;
        return i.equals(that.i);
      } else {
        return false;
      }
    }

    @Override

        int port;

        if (spec.equals("smb://")) {
            spec = "smb:////";
            limit += 2;
        } else if (!spec.startsWith("smb://") && host != null && host.length() == 0) {
            spec = "//" + spec;
            limit += 2;
        }
        super.parseURL(u, spec, start, limit);
        path = u.getPath();
        ref = u.getRef();
        if (ref != null) {
            path += '#' + ref;

     */
    public String getModelId() {
        if (result == null) {
            return "";
        } else if (result.getEffectiveModel() != null) {
            return result.getEffectiveModel().getId();
        } else if (result.getRawModel() != null) {
            return result.getRawModel().getId();
        } else if (result.getFileModel() != null) {