return delegate().getKey();
      }
    }

    @Override
    public V getValue() {
      synchronized (mutex) {
        return delegate().getValue();
      }
    }

    @Override
    public V setValue(V value) {
      synchronized (mutex) {
        return delegate().setValue(value);
      }
    }

    private static final long serialVersionUID = 0;
  }

    }

    public static class ValueHolder {
        private final Object value;

        public ValueHolder(Object value) {
            this.value = value;
        }

        public Object getValue() {
            return value;
        }
    }

    /**
     * <p>testRootPropertyRegression.</p>
     *
     * @throws Exception if any.
     */
    @Test

                if (headerFieldMap != null) {
                    for (final Map.Entry<String, List<String>> entry : headerFieldMap.entrySet()) {
                        responseData.addMetaData(entry.getKey(), entry.getValue());
                    }
                }

                if (file.canRead()) {
                    final MimeTypeHelper mimeTypeHelper = crawlerContainer.getComponent("mimeTypeHelper");

    protected Map<String, String> create(Entry<String, String>[] entries) {
      LocalCache<String, String> map = makeLocalCache(builder);
      for (Entry<String, String> entry : entries) {
        map.put(entry.getKey(), entry.getValue());
      }
      return map;
    }
  }

  public static Test suite() {
    TestSuite suite = new TestSuite();
    suite.addTestSuite(LocalCacheTest.class);
    suite.addTest(

      @SuppressWarnings("unchecked")
      Entry<?, @Nullable Object> nullableValueEntry = (Entry<?, @Nullable Object>) entry;
      nullableValueEntry.setValue(null);
      fail("setValue on unmodifiable Map.Entry succeeded");
    } catch (UnsupportedOperationException expected) {
    }
  }

  /**
   * Verifies that an Iterator is unmodifiable.
   *

  }

  /** @since 12.0 */
  @Override
  public void putAll(Map<? extends K, ? extends V> m) {
    for (Entry<? extends K, ? extends V> entry : m.entrySet()) {
      put(entry.getKey(), entry.getValue());
    }
  }

  @Override
  public void cleanUp() {}

  @Override
  public long size() {
    throw new UnsupportedOperationException();
  }

  @Override

    Iterator<Entry<K, V>> entryIterator = entrySet().iterator();
    while (entryIterator.hasNext()) {
      Entry<K, V> entry = entryIterator.next();
      if (Objects.equal(entry.getKey(), key)) {
        V value = entry.getValue();
        entryIterator.remove();
        return value;
      }
    }
    return null;
  }

  /**
   * A sensible definition of {@link #clear} in terms of the {@code iterator} method of {@link

    ImmutableSet.Builder<LocationInfo> builder = ImmutableSet.builder();
    for (Map.Entry<File, ClassLoader> entry : getClassPathEntries(classloader).entrySet()) {
      builder.add(new LocationInfo(entry.getKey(), entry.getValue()));
    }
    return builder.build();
  }

  /**
   * Represents a single location (a directory or a jar file) in the class path and is responsible
   * for scanning resources from this location.
   */

      case 1:
        // requireNonNull is safe because the first `size` elements have been filled in.
        Entry<K, V> onlyEntry = requireNonNull(entryArray[0]);
        return of(comparator, onlyEntry.getKey(), onlyEntry.getValue());
      default:
        Object[] keys = new Object[size];
        Object[] values = new Object[size];
        if (sameComparator) {
          // Need to check for nulls, but don't need to sort or validate.

      @SuppressWarnings("unchecked")
      Entry<?, @Nullable Object> nullableValueEntry = (Entry<?, @Nullable Object>) entry;
      nullableValueEntry.setValue(null);
      fail("setValue on unmodifiable Map.Entry succeeded");
    } catch (UnsupportedOperationException expected) {
    }
  }

  /**
   * Verifies that an Iterator is unmodifiable.
   *