public void testGetIfPresent() {
    assertThat(Enums.getIfPresent(TestEnum.class, "CHEETO")).hasValue(TestEnum.CHEETO);
    assertThat(Enums.getIfPresent(TestEnum.class, "HONDA")).hasValue(TestEnum.HONDA);
    assertThat(Enums.getIfPresent(TestEnum.class, "POODLE")).hasValue(TestEnum.POODLE);

    assertThat(Enums.getIfPresent(TestEnum.class, "CHEETO")).isPresent();
    assertThat(Enums.getIfPresent(TestEnum.class, "HONDA")).isPresent();

  public void testGetIfPresent() {
    assertThat(Enums.getIfPresent(TestEnum.class, "CHEETO")).hasValue(TestEnum.CHEETO);
    assertThat(Enums.getIfPresent(TestEnum.class, "HONDA")).hasValue(TestEnum.HONDA);
    assertThat(Enums.getIfPresent(TestEnum.class, "POODLE")).hasValue(TestEnum.POODLE);

    assertThat(Enums.getIfPresent(TestEnum.class, "CHEETO")).isPresent();
    assertThat(Enums.getIfPresent(TestEnum.class, "HONDA")).isPresent();

    assertEquals(Integer.valueOf(100), cache.getIfPresent(10));
    assertEquals(Integer.valueOf(200), cache.getIfPresent(20));
    assertEquals(Integer.valueOf(2), cache.getIfPresent(4));

    fakeTicker.advance(2, TimeUnit.MILLISECONDS);
    assertEquals(null, cache.getIfPresent(10));
    assertEquals(null, cache.getIfPresent(20));
    assertEquals(null, cache.getIfPresent(4));

    cache.put(10, 20);

        new AbstractCache<Object, Object>() {
          @Override
          public @Nullable Object getIfPresent(Object key) {
            return valueRef.get();
          }
        };

    assertNull(cache.getIfPresent(new Object()));

    Object newValue = new Object();
    valueRef.set(newValue);
    assertSame(newValue, cache.getIfPresent(new Object()));
  }

  public void testGetAllPresent_empty() {

            if (v == null) {
              throw new ExecutionException(cause);
            }
            return v;
          }

          @Override
          public @Nullable Object getIfPresent(Object key) {
            return valueRef.get();
          }
        };

    UncheckedExecutionException expected =
        assertThrows(UncheckedExecutionException.class, () -> cache.getUnchecked(new Object()));

        new AbstractCache<Object, Object>() {
          @Override
          public @Nullable Object getIfPresent(Object key) {
            return valueRef.get();
          }
        };

    assertNull(cache.getIfPresent(new Object()));

    Object newValue = new Object();
    valueRef.set(newValue);
    assertSame(newValue, cache.getIfPresent(new Object()));
  }

  public void testGetAllPresent_empty() {

            if (v == null) {
              throw new ExecutionException(cause);
            }
            return v;
          }

          @Override
          public @Nullable Object getIfPresent(Object key) {
            return valueRef.get();
          }
        };

    UncheckedExecutionException expected =
        assertThrows(UncheckedExecutionException.class, () -> cache.getUnchecked(new Object()));

            return mock;
          }
        };
  }

  public void testGetIfPresent() throws ExecutionException {
    when(mock.getIfPresent("key")).thenReturn(Boolean.TRUE);
    assertSame(Boolean.TRUE, forward.getIfPresent("key"));
  }

  public void testGetAllPresent() throws ExecutionException {
    when(mock.getAllPresent(ImmutableList.of("key")))

    }

    public void record(final Object keyObj, final String action) {
        getCacheKey(keyObj).ifPresent(key -> {
            try {
                final StatsObject data = statsCache.getIfPresent(key);
                if (data != null) {
                    data.put(escapeValue(action), getCurrentTimeMillis());
                }
            } catch (final Exception e) {

 * implementation for the {@link #get(Object)} and {@link #getIfPresent} methods. {@link
 * #getUnchecked}, {@link #get(Object, Callable)}, and {@link #getAll} are implemented in terms of
 * {@code get}; {@link #getAllPresent} is implemented in terms of {@code getIfPresent}; {@link
 * #putAll} is implemented in terms of {@link #put}, {@link #invalidateAll(Iterable)} is implemented