public boolean addAll(Collection<? extends E> c) {
      synchronized (mutex) {
        return delegate().addAll(c);
      }
    }

    @Override
    public void clear() {
      synchronized (mutex) {
        delegate().clear();
      }
    }

    @Override
    public boolean contains(@Nullable Object o) {
      synchronized (mutex) {
        return delegate().contains(o);
      }
    }

          }
        });

    // Run these together.
    fakePool.runAll();

    // Check that this thread has been marked as interrupted again now that the thread has been
    // returned by SequentialExecutor. Clear the bit while checking so that the test doesn't hose
    // JUnit or some other test case.
    assertThat(Thread.interrupted()).isTrue();
  }

        def rule = withContext(new IncubatingMissingRule([:]))
        def annotations = []
        jApiType.annotations >> annotations

        when:
        annotations.clear()

        then:
        rule.maybeViolation(jApiType).humanExplanation =~ 'Is not annotated with @Incubating'

        when:
        annotations.add(incubatingAnnotation)

        then:

                if (!Constants.DONE.equals(dataCrawlingThreadStatusList.get(i))) {
                    finishedAll = false;
                }
            }
        }
        dataCrawlingThreadList.clear();
        dataCrawlingThreadStatusList.clear();

        // put cralwing info
        final CrawlingInfoHelper crawlingInfoHelper = ComponentUtil.getCrawlingInfoHelper();

    private int currentPageNumber;

    /** The ID of the synonym dictionary. */
    public String id;

    /**
     * Clears the pager's state to its default values.
     */
    public void clear() {
        allRecordCount = 0;
        allPageCount = 0;
        existPrePage = false;
        existNextPage = false;
        pageSize = getDefaultPageSize();
        currentPageNumber = getDefaultCurrentPageNumber();

    @BeforeEach
    void setUp() {
        // Save original system property
        originalSystemProperty = System.getProperty(Constants.MAVEN_LOGGER_DEFAULT_LOG_LEVEL);
        // Clear system property to test configuration file loading
        System.clearProperty(Constants.MAVEN_LOGGER_DEFAULT_LOG_LEVEL);
    }

    @AfterEach
    void tearDown() {
        // Restore original system property

        CacheRecord record = new CacheRecord(exception);

        cache.put(key, record);

        return record;
    }

    @Override
    public void flush() {
        cache.clear();
    }

    protected static int pluginHashCode(Plugin plugin) {
        return CacheUtils.pluginHashCode(plugin);
    }

    protected static boolean pluginEquals(Plugin a, Plugin b) {

        }
      };
    }

    @Override
    public final int size() {
      return biMap.size;
    }

    @Override
    public final void clear() {
      biMap.clear();
    }
  }

  @LazyInit private transient Set<K> keySet;

  @Override
  public Set<K> keySet() {
    Set<K> result = keySet;

            try {
                realm.getWorld().disposeRealm(realm.getId());
            } catch (NoSuchRealmException e) {
                // ignore
            }
        }
        cache.clear();
    }

    @Override
    public void register(MavenProject project, Key key, CacheRecord record) {
        // default cache does not track record usage
    }

    @Override

    }

    /**
     * @throws Exception
     */
    @Test
    public void testIsEmpty() throws Exception {
        assertThat(map.isEmpty(), is(not(true)));
        map.clear();
        assertThat(map.isEmpty(), is(true));
    }

    /**
     * @throws Exception
     */
    @Test
    public void testContainsValue() throws Exception {