import static com.google.common.collect.testing.Helpers.assertEqualInOrder;
import static com.google.common.collect.testing.Platform.format;
import static java.util.Arrays.asList;
import static java.util.Collections.unmodifiableSet;
import static junit.framework.Assert.assertEquals;
import static junit.framework.Assert.assertFalse;
import static junit.framework.Assert.assertTrue;
import static junit.framework.Assert.fail;

                Set<String> innerSet = new HashSet<>();
                Collections.addAll(innerSet, elements);
                return Collections.unmodifiableSet(innerSet);
              }
            })
        .named("unmodifiableSet/HashSet")
        .withFeatures(
            CollectionFeature.NONE,
            CollectionFeature.SERIALIZABLE,
            CollectionFeature.ALLOWS_NULL_VALUES,

                Set<String> innerSet = new HashSet<>();
                Collections.addAll(innerSet, elements);
                return Collections.unmodifiableSet(innerSet);
              }
            })
        .named("unmodifiableSet/HashSet")
        .withFeatures(
            CollectionFeature.NONE,
            CollectionFeature.SERIALIZABLE,
            CollectionFeature.ALLOWS_NULL_VALUES,

    Set<E> outEdgesU = outEdges(nodeU);
    Set<E> inEdgesV = inEdges(nodeV);
    return nodePairInvalidatableSet(
        outEdgesU.size() <= inEdgesV.size()
            ? unmodifiableSet(Sets.filter(outEdgesU, connectedPredicate(nodeU, nodeV)))
            : unmodifiableSet(Sets.filter(inEdgesV, connectedPredicate(nodeV, nodeU))),
        nodeU,
        nodeV);
  }

  @Override

      return (Multiset<E>) delegate;
    }

    @LazyInit @CheckForNull transient Set<E> elementSet;

    Set<E> createElementSet() {
      return Collections.<E>unmodifiableSet(delegate.elementSet());
    }

    @Override
    public Set<E> elementSet() {
      Set<E> es = elementSet;
      return (es == null) ? elementSet = createElementSet() : es;
    }

      } else if (collection instanceof SortedSet) {
        return Collections.unmodifiableSortedSet((SortedSet<E>) collection);
      } else if (collection instanceof Set) {
        return Collections.unmodifiableSet((Set<E>) collection);
      } else if (collection instanceof List) {
        return Collections.unmodifiableList((List<E>) collection);
      } else {
        return Collections.unmodifiableCollection(collection);

          itr.remove();
          result.add(v);
        }
      }
      if (result.isEmpty()) {
        return null;
      } else if (unfiltered instanceof SetMultimap) {
        return Collections.unmodifiableSet(Sets.newLinkedHashSet(result));
      } else {
        return Collections.unmodifiableList(result);
      }
    }

    @Override
    Set<K> createKeySet() {
      @WeakOuter

   */
  static <K extends @Nullable Object, V extends @Nullable Object>
      Set<Entry<K, V>> unmodifiableEntrySet(Set<Entry<K, V>> entrySet) {
    return new UnmodifiableEntrySet<>(Collections.unmodifiableSet(entrySet));
  }

  /**
   * Returns an unmodifiable view of the specified map entry. The {@link Entry#setValue} operation