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()";
    }
  }

     * Returns the server address.
     * @return The server address.
     */
    public String getServer() {
        return server;
    }

    /**
     * Sets the server address.
     * @param server The server address.
     */
    public void setServer(final String server) {
        this.server = server;
    }

    /**
     * Returns the port number.
     * @return The port number.
     */

    //                                                                             =======
    @Override
    public RoleTypeDbm asDBMeta() {
        return RoleTypeDbm.getInstance();
    }

    @Override
    public String asTableDbName() {
        return "role_type";
    }

    // ===================================================================================

     * @return the lease key
     */
    public Smb2LeaseKey getLeaseKey() {
        return leaseKey;
    }

    /**
     * Gets the lease state being acknowledged
     * @return the lease state
     */
    public int getLeaseState() {
        return leaseState;
    }

    /**
     * Gets the lease flags for this acknowledgment
     * @return the lease flags
     */

    checkNotNull(callable);
    checkNotNull(executor);
    return submitAsync(
        new AsyncCallable<T>() {
          @Override
          public ListenableFuture<T> call() throws Exception {
            return immediateFuture(callable.call());
          }

          @Override
          public String toString() {
            return callable.toString();
          }
        },
        executor);
  }

        return getLocation();
    }

    @Override
    public int hashCode() {
        return hashCode;
    }

    @Override
    public boolean equals(Object obj) {
        if (this == obj) {
            return true;
        }

        if (obj == null) {
            return false;
        }

        if (!StringSource.class.equals(obj.getClass())) {
            return false;
        }

                return pattern;
            }
        }
        return resourceBundle.getString(messageCode);
    }

    /**
     * Returns the system name.
     *
     * @param messageCode
     *            Message code
     * @return System name
     */
    protected static String getSystemName(final String messageCode) {
        return messageCode.substring(1, Math.max(1, messageCode.length() - CODE_NUMBER_LENGTH));

     *
     * @param sessionId the session ID to process
     * @return the canonical session ID (portion before first hyphen, or original if no hyphen)
     */
    public String getCanonicalSessionId(final String sessionId) {
        final int idx = sessionId.indexOf('-');
        if (idx >= 0) {
            return sessionId.substring(0, idx);
        }
        return sessionId;
    }

    /**

    result.writeAll(Okio.source(file));
    return result;
  }

  private String contentType(String path) {
    if (path.endsWith(".png")) return "image/png";
    if (path.endsWith(".jpg")) return "image/jpeg";
    if (path.endsWith(".jpeg")) return "image/jpeg";
    if (path.endsWith(".gif")) return "image/gif";
    if (path.endsWith(".html")) return "text/html; charset=utf-8";

     * @param obj the object to compare with
     * @return true if the objects are equal, false otherwise
     */
    @Override
    public boolean equals(Object obj) {
        if (this == obj)
            return true;
        if (obj == null)
            return false;
        if (getClass() != obj.getClass())
            return false;
        RequestData other = (RequestData) obj;