b, err := opts.MarshalMsg(grid.GetByteBuffer()[:0])
	if err != nil {
		return toStorageErr(err)
	}

	st, err := client.gridConn.NewStream(ctx, grid.HandlerWalkDir, b)
	if err != nil {
		return toStorageErr(err)
	}
	return toStorageErr(st.Results(func(in []byte) error {
		_, err := wr.Write(in)
		return err
	}))
}

// WalkDirHandler - remote caller to list files and folders in a requested directory path.

     *
     * @param dictId         The ID of the dictionary.
     * @param stopwordsPager The pager for controlling pagination.
     * @return A list of stopwords.
     */
    public List<StopwordsItem> getStopwordsList(final String dictId, final StopwordsPager stopwordsPager) {
        return getStopwordsFile(dictId).map(file -> {
            final int pageSize = stopwordsPager.getPageSize();

     *
     * @param dictId       The ID of the dictionary.
     * @param synonymPager The pager for controlling pagination.
     * @return A list of synonyms.
     */
    public List<SynonymItem> getSynonymList(final String dictId, final SynonymPager synonymPager) {
        return getSynonymFile(dictId).map(file -> {
            final int pageSize = synonymPager.getPageSize();

         */

        return dstIndex - start;
    }

    @Override
    protected int readSetupWireFormat(final byte[] buffer, final int bufferIndex, final int len) {
        return 0;
    }

    @Override
    protected int readParametersWireFormat(final byte[] buffer, final int bufferIndex, final int len) {
        return 0;
    }

    @Override

     * which the settings were read.
     *
     * @return The hint about the source of the problem or an empty string if unknown, never {@code null}.
     */
    String getSource();

    /**
     * Gets the one-based index of the line containing the problem. The line number should refer to some text file that
     * is given by {@link #getSource()}.
     *

            return ConfigType.WEB;
        }
        if (ConfigType.FILE.getTypePrefix().equals(configType)) {
            return ConfigType.FILE;
        }
        if (ConfigType.DATA.getTypePrefix().equals(configType)) {
            return ConfigType.DATA;
        }
        return null;
    }

    /**
     * Extracts the actual ID from a config ID by removing the type prefix.

  public boolean containsValue(@Nullable Object value) {
    return delegate().containsValue(value);
  }

  @Override
  public Collection<Entry<K, V>> entries() {
    return delegate().entries();
  }

  @Override
  public Collection<V> get(@ParametricNullness K key) {
    return delegate().get(key);
  }

  @Override
  public boolean isEmpty() {
    return delegate().isEmpty();
  }

  @Override

  public boolean containsValue(@Nullable Object value) {
    return delegate().containsValue(value);
  }

  @Override
  public Collection<Entry<K, V>> entries() {
    return delegate().entries();
  }

  @Override
  public Collection<V> get(@ParametricNullness K key) {
    return delegate().get(key);
  }

  @Override
  public boolean isEmpty() {
    return delegate().isEmpty();
  }

  @Override

    return ToStringFunction.INSTANCE;
  }

  // enum singleton pattern
  private enum ToStringFunction implements Function<Object, String> {
    INSTANCE;

    @Override
    public String apply(Object o) {
      checkNotNull(o); // eager for GWT.
      return o.toString();
    }

    @Override
    public String toString() {
      return "Functions.toStringFunction()";
    }
  }

                    serverKey = (KerberosKey) credential;
                }
            }
        }

        return serverKey;
    }

    /**
     * Returns the authenticated JAAS Subject.
     *
     * @return the authenticated Subject
     */
    public Subject getSubject() {
        return this.subject;
    }