* relying on this, as we have made incompatible changes to serialized forms in the past and
   * expect to do so again, as discussed in https://github.com/google/guava#important-warnings.
   */
  @SuppressWarnings("unused")
  private static final class SerializedForm<V> implements Serializable {
    final ImmutableMap<?, V> map;

    SerializedForm(ImmutableMap<?, V> map) {
      this.map = map;
    }

    assertThat(expected).hasMessageThat().isEqualTo(msg);
  }

  public void testBadArguments_plusforspace() {
    // space can be a safe char if plusForSpace is false
    PercentEscaper unused = new PercentEscaper(" ", false);

    // space cannot be a safe char is plusForSpace is true
    String msg = "plusForSpace cannot be specified when space is a 'safe' character";
    IllegalArgumentException expected =

                for (Integer node : graph.nodes()) {
                  Set<Integer> unused = graph.successors(node);
                }
                /*
                 * Also look up an earlier node so that, if the graph is using MapRetrievalCache,
                 * we read one of the fields declared in that class.
                 */
                Set<Integer> unused = graph.successors(first);

                            dependenciesToModify.addToMap(filePath, extractDependencies(index))
                        }

                        line.contains("Unused dependencies which should be removed:") -> {
                            dependenciesToRemove.addToMap(filePath, extractDependencies(index))
                        }
                    }
                }
            }

  }

  public void testReentrantHasNext() {
    Iterator<Integer> iter =
        new AbstractIterator<Integer>() {
          @Override
          protected Integer computeNext() {
            boolean unused = hasNext();
            throw new AssertionError();
          }
        };
    assertThrows(IllegalStateException.class, iter::hasNext);
  }

  }

  public void testCreation_generic() {
    List<String> a = ImmutableList.of("a");
    // only verify that there is no compile warning
    ImmutableList<List<String>> unused = ImmutableList.of(a, a);
  }

  public void testCreation_arrayOfArray() {
    String[] array = new String[] {"a"};
    List<String[]> list = ImmutableList.<String[]>of(array);

  @AndroidIncompatible // OutOfMemoryError
  public void testLargeNumberOfInsertions() {
    // We use horrible FPPs here to keep Java from OOM'ing
    BloomFilter<String> unused =
        BloomFilter.create(unencodedCharsFunnel(), Integer.MAX_VALUE / 2, 0.30);
    unused = BloomFilter.create(unencodedCharsFunnel(), 45L * Integer.MAX_VALUE, 0.99);
  }

  @SuppressWarnings({"deprecation", "InlineMeInliner"}) // test of a deprecated method

  }

  public void testCombineOrdered_differentBitLengths() {
    assertThrows(
        IllegalArgumentException.class,
        () -> {
          HashCode unused =
              Hashing.combineOrdered(
                  ImmutableList.of(HashCode.fromInt(32), HashCode.fromLong(32L)));
        });
  }

  public void testCombineOrdered() {

        for (E e : contents) {
          E unused = interner.intern(e);
        }
        return interner;
      }
    },
    StrongInternerImpl {
      @Override
      public <E> Interner<E> create(Collection<E> contents) {
        Interner<E> interner = Interners.newStrongInterner();
        for (E e : contents) {
          E unused = interner.intern(e);
        }
        return interner;

      ImmutableSet.<String>builder().addAll(SOMEWHERE_UNDER_PS).addAll(PS_NOT_RS).build();

  public void testValid() {
    for (String name : VALID_NAME) {
      InternetDomainName unused = InternetDomainName.from(name);
    }
  }

  public void testInvalid() {
    for (String name : INVALID_NAME) {
      assertThrows(IllegalArgumentException.class, () -> InternetDomainName.from(name));
    }