int initialSize = collection.size();
    assertTrue("remove(null) should return true", collection.remove(null));
    assertEquals(
        "remove(present) should decrease a collection's size by one.",
        initialSize - 1,
        collection.size());
    expectMissing((E) null);
  }

  @CollectionFeature.Require(absent = SUPPORTS_REMOVE)
  @CollectionSize.Require(absent = ZERO)

                    if (fessConfig.getSearchlogAggShardSizeAsInteger() >= 0) {
                        op.shardSize(fessConfig.getSearchlogAggShardSizeAsInteger());
                    }
                }, null);
            });
            final Terms agg = list.getAggregations().get(SearchLogPager.LOG_TYPE_CLICK_COUNT);
            final List<? extends Terms.Bucket> buckets = agg.getBuckets();

        if (value != null) {
            return value;
        }
        final String userDir = System.getProperty("user.dir");
        final File targetDir = new File(userDir, "target");
        return new File(targetDir, "logs").getAbsolutePath();
    }

    public String encodeUrlFilter(final String path) {
        if (filterPathEncoding == null || path == null) {
            return path;
        }

    toPut.put(null, 1);
    ImmutableSetMultimap.Builder<String, Integer> builder = ImmutableSetMultimap.builder();
    assertThrows(NullPointerException.class, () -> builder.put(null, 1));
    assertThrows(NullPointerException.class, () -> builder.putAll(null, Arrays.asList(1, 2, 3)));
    assertThrows(NullPointerException.class, () -> builder.putAll(null, 1, 2, 3));
    assertThrows(

    private Map<TransferResource, Long> downloads = new ConcurrentHashMap<>();

    private int lastLength;

    public ConsoleTransferListener() {
        this(null);
    }

    public ConsoleTransferListener(PrintStream out) {
        this.out = (out != null) ? out : System.out;
    }

    @Override
    public void transferInitiated(TransferEvent event) {

                        "name": {
                            "anyOf": [{"type": "string"}, {"type": "null"}],
                            "title": "Name",
                        },
                        "description": {
                            "anyOf": [{"type": "string"}, {"type": "null"}],
                            "title": "Description",
                        },
                        "price": {

                        "name": {
                            "anyOf": [{"type": "string"}, {"type": "null"}],
                            "title": "Name",
                        },
                        "description": {
                            "anyOf": [{"type": "string"}, {"type": "null"}],
                            "title": "Description",
                        },
                        "price": {

                            HttpServletResponse.SC_UNAUTHORIZED);
                });
            }

            // assert
            if (null == principal) {
                final String msg = "Principal was null.";
                if (logger.isDebugEnabled()) {
                    logger.debug(msg);
                }
                throw new SsoLoginException(msg);
            }

      val heldCertificate = heldCertificate
      if (heldCertificate != null && heldCertificate.keyPair.private.format == null) {
        throw KeyStoreException("unable to support unencodable private key")
      }

      val keyManager = newKeyManager(null, heldCertificate, *(intermediates ?: emptyArray()))
      val trustManager = newTrustManager(null, trustedCertificates, immutableInsecureHosts)

                    String name =
                            b.getOriginalKey() != null && b.getOriginalKey().getQualifier() instanceof String s
                                    ? s
                                    : "";
                    map.compute(name, (n, ob) -> ob == null || comparator.compare(ob, b) < 0 ? b : ob);
                }