private final Object mutex = new Object[0]; // something Serializable

    @Override
    public boolean offer(E o) {
      assertTrue(Thread.holdsLock(mutex));
      return delegate.offer(o);
    }

    @Override
    public @Nullable E poll() {
      assertTrue(Thread.holdsLock(mutex));
      return delegate.poll();
    }

    @Override
    public E remove() {
      assertTrue(Thread.holdsLock(mutex));

        @Override
        public String getPluginRepositories() {
            return "";
        }

        @Override
        public String getStorageMaxItemsInPage() {
            return "25";
        }

        @Override
        public Integer getStorageMaxItemsInPageAsInteger() {
            return 25;
        }

        @Override
        public String getLdapAttrHomeDirectory() {

  }

  @Override
  boolean isPartialView() {
    return false;
  }

  @Override
  public C first() {
    // requireNonNull is safe because we checked the range is not empty in ContiguousSet.create.
    return requireNonNull(range.lowerBound.leastValueAbove(domain));
  }

  @Override
  public C last() {

  }

  enum class Component {
    USER {
      override fun urlString(value: String): String = "http://$******@****.***/"

      override fun encodedValue(url: HttpUrl): String = url.encodedUsername

      override operator fun set(
        builder: HttpUrl.Builder,
        value: String,
      ) {
        builder.username(value)
      }

      override operator fun get(url: HttpUrl): String = url.username
    },

              public int hashCode() {
                return map.hashCode();
              }

              @Override
              public boolean equals(@Nullable Object o) {
                return map.equals(o);
              }

              @Override
              public String toString() {
                return map.toString();
              }

              @Override

    }

    @Override
    public boolean isShutdown() {
      throw new UnsupportedOperationException();
    }

    @Override
    public boolean isTerminated() {
      throw new UnsupportedOperationException();
    }

    @Override
    public void shutdown() {
      throw new UnsupportedOperationException();
    }

    @Override
    public List<Runnable> shutdownNow() {

    @Override
    public Spliterator<V> spliterator() {
      return valueSpliterator();
    }

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

    @Override
    public boolean contains(@Nullable Object o) {
      return AbstractMultimap.this.containsValue(o);
    }

    @Override
    public void clear() {
      AbstractMultimap.this.clear();
    }
  }

   */
  protected AbstractSortedSetMultimap(Map<K, Collection<V>> map) {
    super(map);
  }

  @Override
  abstract SortedSet<V> createCollection();

  @Override
  SortedSet<V> createUnmodifiableEmptyCollection() {
    return unmodifiableCollectionSubclass(createCollection());
  }

  @Override
  <E extends @Nullable Object> SortedSet<E> unmodifiableCollectionSubclass(
      Collection<E> collection) {

                }
            }
            return expression;
        }

        @Override
        public Object evaluate(String expression) throws ExpressionEvaluationException {
            return evaluate(expression, null);
        }

        @Override
        public File alignToBaseDirectory(File file) {
            if (translator != null) {

      this.backingSet = backingSet;
    }

    @Override
    protected Set<T> delegate() {
      return backingSet;
    }

    @Override
    public boolean equals(@Nullable Object object) {
      return standardEquals(object);
    }

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

    @Override
    public boolean addAll(Collection<? extends T> collection) {