public final boolean isAbstract() {
    return Modifier.isAbstract(getModifiers());
  }

  /** Returns true if the element is native. */
  public final boolean isNative() {
    return Modifier.isNative(getModifiers());
  }

  /** Returns true if the method is synchronized. */
  public final boolean isSynchronized() {
    return Modifier.isSynchronized(getModifiers());
  }

    T[] result = newArray(arrayOfType, to - from);
    System.arraycopy(source, from, result, 0, to - from);
    return result;
  }

  // TODO(user): Move this logic to a utility class.
  @JsType(isNative = true, name = "Array", namespace = JsPackage.GLOBAL)
  private interface NativeArray {
    @JsProperty
    void setLength(int length);
  }

  static MapMaker tryWeakKeys(MapMaker mapMaker) {

                this.queryAddress.nodeType = ownerNodeType;
                this.queryAddress.isBeingDeleted = isBeingDeleted;
                this.queryAddress.isInConflict = isInConflict;
                this.queryAddress.isActive = isActive;
                this.queryAddress.isPermanent = isPermanent;
                this.queryAddress.macAddress = this.macAddress;
                this.queryAddress.isDataFromNodeStatus = true;

                    queryAddress.nodeType = ownerNodeType;
                    queryAddress.isBeingDeleted = isBeingDeleted;
                    queryAddress.isInConflict = isInConflict;
                    queryAddress.isActive = isActive;
                    queryAddress.isPermanent = isPermanent;
                    queryAddress.macAddress = macAddress;
                    queryAddress.isDataFromNodeStatus = true;
                    addrFound = true;

        final AtomicBoolean isActive = new AtomicBoolean(false);

        dataStore = new DataStore() {
            @Override
            public void store(DataConfig config, IndexUpdateCallback callback, DataStoreParams initParamMap) {
                storeCalled.set(true);
                isActive.set(true);
            }

            @Override

        this.address = address;
        this.groupName = groupName;
        this.nodeType = nodeType;
        this.isBeingDeleted = isBeingDeleted;
        this.isInConflict = isInConflict;
        this.isActive = isActive;
        this.isPermanent = isPermanent;
        this.macAddress = macAddress;
        this.isDataFromNodeStatus = true;
    }

    /**
     * {@inheritDoc}
     *

            return directoryFile;
        }

        /**
         * Checks if directory change monitoring is currently active
         * @return true if watching is active
         */
        public boolean isActive() {
            return active;
        }

        /**
         * Set active status
         *
         * @param active true to activate
         */
        public void setActive(boolean active) {

            this.creationTime = System.currentTimeMillis();
            this.allocationStackTrace = Thread.currentThread().getStackTrace();
            this.closed = false;
        }

        boolean isAlive() {
            return resourceRef.get() != null && !closed;
        }

        long getAge() {
            return System.currentTimeMillis() - creationTime;
        }
    }

    private ResourceManager() {

        indexUpdater.indexingHelper = indexingHelper;
    }

    @Override
    public void tearDown() throws Exception {
        if (indexUpdater != null && indexUpdater.isAlive()) {
            indexUpdater.setFinishCrawling(true);
            indexUpdater.interrupt();
            indexUpdater.join(1000);
        }
        super.tearDown();
    }

    // Test initialization

        assertEquals(NbtAddress.B_NODE, nbtAddress.getNodeType(mockContext));
        assertTrue(nbtAddress.isBeingDeleted(mockContext));
        assertTrue(nbtAddress.isInConflict(mockContext));
        assertFalse(nbtAddress.isActive(mockContext));
        assertTrue(nbtAddress.isPermanent(mockContext));
        assertArrayEquals(testMacAddress, nbtAddress.getMacAddress(mockContext));
    }

    @Test
    void testUnwrap() {