if (address.size == 4) return inet4AddressToAscii(address) // An IPv4-mapped IPv6 address.
    throw AssertionError("Invalid IPv6 address: '$host'")
  }

  val result = idnToAscii(host) ?: return null
  if (result.isEmpty()) return null
  if (result.containsInvalidHostnameAsciiCodes()) return null
  if (result.containsInvalidLabelLengths()) return null

  return result
}

internal fun idnToAscii(host: String): String? {

     */
    public byte[] toByteArray () {
        return toByteArray(this);
    }


    /**
     * 
     * @return whether the SID is empty (no sub-authorities)
     */
    public boolean isEmpty () {
        return this.sub_authority_count == 0;
    }


    /**
     * 
     * @return whether the SID is blank (all sub-authorities zero)
     */
    public boolean isBlank () {

            pluginContextsByProjectAndPluginKey = new ConcurrentHashMap<>();

    public void setProjects(List<MavenProject> projects) {
        if (!projects.isEmpty()) {
            MavenProject first = projects.get(0);
            this.currentProject = ThreadLocal.withInitial(() -> first);
            this.topLevelProject = projects.stream()

                    logger.debug("Exception on SID processing.", e);
                }
            }
        }
    }

    protected String preprocessUri(final String uri) {
        if (StringUtil.isEmpty(uri)) {
            throw new CrawlerSystemException("The uri is empty.");
        }

        return uri;
    }

    protected String geCharSet(final SmbFile file) {
        return charset;
    }

      return new KeyIterator();
    }

    @Override
    public int size() {
      return MapMakerInternalMap.this.size();
    }

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

    @Override
    public boolean contains(Object o) {
      return MapMakerInternalMap.this.containsKey(o);
    }

    @Override

            return Optional.of(Boolean.TRUE);
        }
        return Optional.empty();
    }

    @Override
    public Optional<List<String>> goals() {
        if (!commandLine.getArgList().isEmpty()) {
            return Optional.of(commandLine.getArgList());
        }
        return Optional.empty();
    }

    @Override
    public MavenOptions interpolate(Collection<Map<String, String>> properties) {

  V get(
      @CompatibleWith("R") @CheckForNull Object rowKey,
      @CompatibleWith("C") @CheckForNull Object columnKey);

  /** Returns {@code true} if the table contains no mappings. */
  boolean isEmpty();

  /** Returns the number of row key / column key / value mappings in the table. */
  int size();

  /**
   * Compares the specified object with this table for equality. Two tables are equal when their

TraversableLike$$anonfun$last$1(scala.runtime.ObjectRef); } scala/collection/TraversableLike$$anonfun$isEmpty$1.class package scala.collection; public final synchronized class TraversableLike$$anonfun$isEmpty$1 extends scala.runtime.AbstractFunction0$mcV$sp implements scala.Serializable { public final scala.runtime.BooleanRef result$1; public final void apply$mcV$sp(); public void TraversableLike$$anonfun$isEmpty$1(TraversableLike, scala.runtime.BooleanRef); } scala/collection/TraversableLike$$anonfun$is...

        if ( tf.getConfig().isDfsDisabled() || tf.getCredentials().getUserDomain() == null || tf.getCredentials().getUserDomain().isEmpty() ) {
            return null;
        }

        if ( this._domains != null && System.currentTimeMillis() > this._domains.expiration ) {
            this._domains = null;
        }

    return comparator;
  }

  boolean hasLowerBound() {
    return hasLowerBound;
  }

  boolean hasUpperBound() {
    return hasUpperBound;
  }

  boolean isEmpty() {
    // The casts are safe because of the has*Bound() checks.
    return (hasUpperBound() && tooLow(uncheckedCastNullableTToT(getUpperEndpoint())))