// ? extends T
    assertAssignable(new TypeToken<List<N11>>() {}, new TypeToken<List<? extends N1>>() {});
    assertNotAssignable(new TypeToken<List<N1>>() {}, new TypeToken<List<? extends N11>>() {});
    assertNotAssignable(new TypeToken<List<Number>>() {}, new TypeToken<List<? extends N11>>() {});

    // ? extends Number
    assertAssignable(new TypeToken<List<N1>>() {}, new TypeToken<List<? extends Number>>() {});

     * @return a new instance of {@link ArrayDeque}
     * @see ArrayDeque#ArrayDeque(int)
     */
    public static <E> ArrayDeque<E> newArrayDeque(final int numElements) {
        return new ArrayDeque<>(numElements);
    }

    /**
     * Creates and returns a new instance of {@link ArrayList}.
     *
     * @param <E> the element type of {@link ArrayList}
     * @return a new instance of {@link ArrayList}

              result.put(key, value);
              // add extra entries
              result.put(value, key);
            }
            return result;
          }
        };
    LoadingCache<Object, Object> cache = CacheBuilder.newBuilder().build(loader);

    Object[] lookupKeys = new Object[] {new Object(), new Object(), new Object()};
    Map<Object, Object> result = cache.getAll(asList(lookupKeys));

        final AtomicBoolean heartbeatCalled = new AtomicBoolean(false);
        final AtomicBoolean fetchCalled = new AtomicBoolean(false);
        final AtomicBoolean cleanupCalled = new AtomicBoolean(false);
        final CoordinatorHelper helper = new CoordinatorHelper() {
            @Override
            public void sendHeartbeat() {

        }

        problems.setRootModel(inputModel);

        ModelData resultData = new ModelData(request.getModelSource(), inputModel);
        ModelData superData = new ModelData(null, getSuperModel());

        Collection<String> parentIds = new LinkedHashSet<>();
        List<ModelData> lineage = new ArrayList<>();

        for (ModelData currentData = resultData; currentData != null; ) {

    // ? extends T
    assertAssignable(new TypeToken<List<N11>>() {}, new TypeToken<List<? extends N1>>() {});
    assertNotAssignable(new TypeToken<List<N1>>() {}, new TypeToken<List<? extends N11>>() {});
    assertNotAssignable(new TypeToken<List<Number>>() {}, new TypeToken<List<? extends N11>>() {});

    // ? extends Number
    assertAssignable(new TypeToken<List<N1>>() {}, new TypeToken<List<? extends Number>>() {});

              result.put(key, value);
              // add extra entries
              result.put(value, key);
            }
            return result;
          }
        };
    LoadingCache<Object, Object> cache = CacheBuilder.newBuilder().build(loader);

    Object[] lookupKeys = new Object[] {new Object(), new Object(), new Object()};
    Map<Object, Object> result = cache.getAll(asList(lookupKeys));

        final Map<String, Object> inner = new LinkedHashMap<>();
        inner.put("key", "value");
        final Map<String, Object> outer = new LinkedHashMap<>();
        outer.put("inner", inner);
        source.put("nested", outer);

        final String json = new JsonIndexExportFormatter().format(source, Collections.emptySet());

        this.transport = transport.acquire();
        this.trees = new CopyOnWriteArrayList<>();
        this.credentials = tf.getCredentials().unwrap(CredentialsInternal.class).clone();

        // Initialize multi-channel support
        this.channelManager = new ChannelManager(tf, this);

        // Initialize SMB3 feature managers
        this.leaseManager = new LeaseManager(tf);

            props.setProperty("jcifs.smb.client.soTimeout", "35000");

            // Create a new configuration and context
            Configuration config = new PropertyConfiguration(props);
            BaseContext baseContext = new BaseContext(config);

            // Create fresh authentication
            NtlmPasswordAuthentication auth = new NtlmPasswordAuthentication(baseContext, WORKGROUP, USERNAME, PASSWORD);