return null;
        }
        try {
            return BASE64_DECODER.decode(base64String);
        } catch (IllegalArgumentException e) {
            if (e.getCause() instanceof DecodingException) {
                return BASE64URL_DECODER.decode(base64String.trim());
            }
            throw e;
        }
    }

    /**

    private int value;

    @Override
    public Integer get() {
      return ++value;
    }

    @Override
    public boolean equals(@Nullable Object obj) {
      if (obj instanceof CountingSupplier) {
        return this.value == ((CountingSupplier) obj).value;
      }
      return false;
    }

    @Override
    public int hashCode() {
      return value;
    }
  }

            lastCommandList = new ArrayList<>(cmdList);

            if (exception instanceof RuntimeException) {
                throw (RuntimeException) exception;
            } else if (exception instanceof InterruptedException) {
                Thread.currentThread().interrupt();
                throw new RuntimeException(exception);
            }

    try {
      InetAddress address = InetAddress.getByAddress(addr);
      if (scope == null) {
        return address;
      }
      checkArgument(
          address instanceof Inet6Address, "Unexpected state, scope should only appear for ipv6");
      Inet6Address v6Address = (Inet6Address) address;
      int interfaceIndex = tryParseDecimal(scope, 0, scope.length());
      if (interfaceIndex != -1) {

  public void testValues() {
    LocalCache<Object, Object> map = makeLocalCache(createCacheBuilder());
    map.put("foo", "bar");
    map.put("baz", "bar");
    map.put("quux", "quux");
    assertThat(map.values() instanceof Set).isFalse();
    assertThat(map.values().removeAll(ImmutableSet.of("bar"))).isTrue();
    assertThat(map).hasSize(1);
  }

  public void testCopyEntry_computing() {

  public void testValues() {
    LocalCache<Object, Object> map = makeLocalCache(createCacheBuilder());
    map.put("foo", "bar");
    map.put("baz", "bar");
    map.put("quux", "quux");
    assertThat(map.values() instanceof Set).isFalse();
    assertThat(map.values().removeAll(ImmutableSet.of("bar"))).isTrue();
    assertThat(map).hasSize(1);
  }

  public void testComputeIfAbsent_removalListener() {

                entity.setCreatedBy(username);
                entity.setCreatedTime(currentTime);
                return entity;
            });
        case CrudMode.EDIT:
            if (form instanceof EditForm) {
                return ComponentUtil.getComponent(DataConfigService.class).getDataConfig(((EditForm) form).id);
            }
            break;
        default:
            break;
        }

        case CrudMode.CREATE:
            final StopwordsItem entity = new StopwordsItem(0, StringUtil.EMPTY);
            return OptionalEntity.of(entity);
        case CrudMode.EDIT:
            if (form instanceof EditForm) {
                return ComponentUtil.getComponent(StopwordsService.class).getStopwordsItem(form.dictId, ((EditForm) form).id);
            }
            break;
        default:
            break;

        CurlResponse response = new CurlResponse();

        try {
            response.getContentAsStream();
            fail("Expected CurlException");
        } catch (Exception e) {
            assertTrue(e instanceof CurlException);
            assertTrue(e.getMessage().contains("The content does not exist"));
        }
    }

    @Test
    public void testGetContentAsStreamWithContentException() {

  }

  /** Returns an immutable copy of {@code network}. */
  public static <N, E> ImmutableNetwork<N, E> copyOf(Network<N, E> network) {
    return (network instanceof ImmutableNetwork)
        ? (ImmutableNetwork<N, E>) network
        : new ImmutableNetwork<N, E>(network);
  }

  /**
   * Simply returns its argument.
   *
   * @deprecated no need to use this
   */