/**
     * Creates a UUID.
     *
     * @return the UUID string
     */
    public static String create() {
        final StringBuilder buf = new StringBuilder(BASE.length() * 2);
        buf.append(BASE);
        final int lowTime = (int) (System.currentTimeMillis() >> 32);
        StringUtil.appendHex(buf, lowTime);
        StringUtil.appendHex(buf, RANDOM.nextInt());
        return buf.toString();
    }

     * @return instance for type, null if the type cannot be unwrapped
     */
    <T extends Credentials> T unwrap(Class<T> type);

    /**
     * Get the domain of the user account.
     * @return the domain the user account is in
     */
    String getUserDomain();

    /**
     * Check if these are anonymous credentials.
     * @return whether these are anonymous credentials
     */

     *
     * @return number of credits this request requires
     */
    int getCreditCost();

    /**
     * Sets the number of request credits.
     *
     * @param credits the number of credits to set
     */
    void setRequestCredits(int credits);

    /**
     * Checks if this is a cancel request.
     *
     * @return whether this is a cancel request
     */

     * @param path The path to match.
     * @return The matching FtpAuthentication object, or null if no match is found.
     */
    public FtpAuthentication get(final String path) {
        if (path == null) {
            return null;
        }

        for (final FtpAuthentication auth : authenticationList) {
            if (auth.matches(path)) {
                return auth;
            }
        }
        return null;

     * @return {@link FieldDesc}
     */
    FieldDesc getFieldDesc(int index);

    /**
     * Returns the number of {@link FieldDesc}.
     *
     * @return The number of {@link FieldDesc}
     */
    int getFieldDescSize();

    /**
     * Returns an {@link Iterable} of {@link FieldDesc}.
     *
     * @return An {@link Iterable} of {@link FieldDesc}
     */

    return (ImmutableSortedSet<E>) RegularImmutableSortedSet.NATURAL_EMPTY_SET;
  }

  /** Returns an immutable sorted set containing a single element. */
  public static <E extends Comparable<? super E>> ImmutableSortedSet<E> of(E e1) {
    return new RegularImmutableSortedSet<>(ImmutableList.of(e1), Ordering.natural());
  }

  /**

  }

  @Override
  public int compare(@Nullable T left, @Nullable T right) {
    if (left == right) {
      return 0;
    }
    if (left == null) {
      return RIGHT_IS_GREATER;
    }
    if (right == null) {
      return LEFT_IS_GREATER;
    }
    return ordering.compare(left, right);
  }

  @Override
  @SuppressWarnings("nullness") // should be safe, but not sure if we can avoid the warning

a.trim(b)},trimLeft:function(a){return a.replace(/^\s+/,"")},trimRight:function(a){return a.replace(/\s+$/,"")},capitalize:function(b){var c=b.split(" ");return a.each(c,function(a,b){c[a]=b.substr(0,1).toUpperCase()+b.substr(1,b.length)}),c.join(" ")},insert:function(a,b,c){var d=(b.attr("data-sanitize-insert-"+c)||"").replace(/\[SPACE\]/g," ");return"left"===c&&0===a.indexOf(d)||"right"===c&&a.substring(a.length-d.length)===d?a:("left"===c?d:"")+a+("right"===c?d:"")},insertRight:function(a,b){return this.insert(...

                return provider;
            }
        }

        log.warn("No RDMA providers available");
        return null;
    }

    /**
     * Check if any RDMA provider is available
     *
     * @return true if at least one RDMA provider is available
     */
    public static boolean isRdmaAvailable() {
        return selectBestProvider() != null;
    }

    /**
     * For NTLM proxies, specifies the NTLM domain.
     */
    private String ntlmDomain;

    /**
     * Return proxy server host name.
     *
     * @return proxy server host name
     */
    public String getHost() {
        return host;
    }

    /**
     * Set proxy host name.
     *
     * @param host proxy server host name
     */