if (!PART_CHAR_MATCHER.matchesAllOf(asciiChars)) {
      return false;
    }

    // No initial or final dashes or underscores.

    if (DASH_MATCHER.matches(part.charAt(0))
        || DASH_MATCHER.matches(part.charAt(part.length() - 1))) {
      return false;
    }

    /*
     * Note that we allow (in contravention of a strict interpretation of the relevant RFCs) domain

          "radix must be between MIN_RADIX and MAX_RADIX but was " + radix);
    }
    boolean negative = string.charAt(0) == '-';
    int index = negative ? 1 : 0;
    if (index == string.length()) {
      return null;
    }
    int digit = AsciiDigits.digit(string.charAt(index++));
    if (digit < 0 || digit >= radix) {
      return null;
    }
    long accum = -digit;

   * charset} parameter set to the {@link Charset#name name} of the given charset. Only one {@code
   * charset} parameter will be present on the new instance regardless of the number set on this
   * one.
   *
   * <p>If a charset must be specified that is not supported on this JVM (and thus is not
   * representable as a {@link Charset} instance), use {@link #withParameter}.
   */

             * Lookup the domain based DFS root target referral. Note the
             * path is just "\" and not "\example.com\root".
             */
            link = "\\";
        }
        else if ( path.charAt(path.length() - 1) == '\\' ) {
            // strip trailing slash
            link = path.substring(0, path.length() - 1);
        }
        else {
            link = path;
        }

   *     Stream.of("banana", "apple", "carrot", "asparagus", "cherry")
   *         .collect(
   *             flatteningToImmutableSetMultimap(
   *                  str -> str.charAt(0),
   *                  str -> str.substring(1).chars().mapToObj(c -> (char) c));
   *
   * // is equivalent to
   *
   * static final ImmutableSetMultimap<Character, Character> FIRST_LETTER_MULTIMAP =

                @Override
                public String toString() {
                    return name;
                }

                @Override
                public char charAt(final int index) {
                    return name.charAt(index);
                }

                @Override
                public int length() {
                    return name.length();
                }

  }

  /** A byte source that reads chars from this source and encodes them as bytes using a charset. */
  private final class AsByteSource extends ByteSource {

    final Charset charset;

    AsByteSource(Charset charset) {
      this.charset = checkNotNull(charset);
    }

    @Override
    public CharSource asCharSource(Charset charset) {
      if (charset.equals(this.charset)) {

                String layout = className.substring(0, className.length() - "RepositoryLayout".length());
                if (!layout.isEmpty()) {
                    layout = Character.toLowerCase(layout.charAt(0)) + layout.substring(1);
                    return layout;
                }
            }
            return "";
        }
    }

        radix);
    if (x == 0) {
      // Simply return "0"
      return "0";
    } else if (x > 0) {
      return Long.toString(x, radix);
    } else {
      char[] buf = new char[64];
      int i = buf.length;
      if ((radix & (radix - 1)) == 0) {
        // Radix is a power of two so we can avoid division.
        int shift = Integer.numberOfTrailingZeros(radix);

                String server = authorityServerName;
                int dot = server.indexOf('.');
                if ( dot > 0 && Character.isDigit(server.charAt(0)) == false )
                    server = server.substring(0, dot);
                try ( LsaPolicyHandle policyHandle = new LsaPolicyHandle(handle, "\\\\" + server, 0x00000800) ) {