throw new UnsupportedOperationException();
  }

  @Override
  public void remove(Range<C> range) {
    throw new UnsupportedOperationException();
  }

  @Override
  public void clear() {
    remove(Range.<C>all());
  }

  @Override
  public boolean enclosesAll(RangeSet<C> other) {
    return enclosesAll(other.asRanges());
  }

  @Override
  public void addAll(RangeSet<C> other) {

        try {
            // Force release the handle with null checks
            if (this.usageCount != null) {
                this.usageCount.set(0);
            }

            // Clear references to prevent memory leaks
            try {
                if (this.treeConnection != null) {
                    // Release the tree connection if possible

        parent.putAll(m);
    }

    /**
     * Removes all of the mappings from this map.
     */
    @Override
    public void clear() {
        parent.clear();
    }

    /**
     * Returns a Set view of the keys contained in this map.
     *
     * @return a set view of the keys contained in this map
     */
    @Override

{* ../../docs_src/background_tasks/tutorial001.py hl[1,13] *}

O **FastAPI** criará o objeto do tipo `BackgroundTasks` para você e o passará como esse parâmetro.

## Criar uma função de tarefa

Crie uma função a ser executada como tarefa em segundo plano.

É apenas uma função padrão que pode receber parâmetros.

public class BoostDocPagerTest extends UnitFessTestCase {

    public void test_BoostDocPage() {
        BoostDocPager boostdocpager = new BoostDocPager();

        boostdocpager.clear();
        assertEquals(0, boostdocpager.getAllRecordCount());
        assertEquals(0, boostdocpager.getAllPageCount());
        assertEquals(false, boostdocpager.isExistPrePage());

public class CrawlingInfoPagerTest extends UnitFessTestCase {

    public void test_CrawlingInfoPage() {
        CrawlingInfoPager crawlinginfopage = new CrawlingInfoPager();

        crawlinginfopage.clear();
        assertEquals(0, crawlinginfopage.getAllRecordCount());
        assertEquals(0, crawlinginfopage.getAllPageCount());
        assertEquals(false, crawlinginfopage.isExistPrePage());

public class DuplicateHostPagerTest extends UnitFessTestCase {

    public void test_DuplicateHostPager() {
        DuplicateHostPager duplicatehostpager = new DuplicateHostPager();

        duplicatehostpager.clear();
        assertEquals(0, duplicatehostpager.getAllRecordCount());
        assertEquals(0, duplicatehostpager.getAllPageCount());
        assertEquals(false, duplicatehostpager.isExistPrePage());

  List<Multiset<Integer>> multisets = new ArrayList<>(0x10000);
  int[] queries = new int[ARRAY_SIZE];

  @BeforeExperiment
  void setUp() {
    Random random = new Random();
    multisets.clear();
    for (int i = 0; i < ARRAY_SIZE; i++) {
      HashMultiset<Integer> multiset = HashMultiset.<Integer>create();
      multisets.add(multiset);
      queries[i] = random.nextInt();
      multiset.add(queries[i]);
    }

me(a)},setTime:function(a,b){if(!a)return void this.clear();var c,d,e,f,g,h;if("object"==typeof a&&a.getMonth)e=a.getHours(),f=a.getMinutes(),g=a.getSeconds(),this.showMeridian&&(h="AM",e>12&&(h="PM",e%=12),12===e&&(h="PM"));else{if(c=(/a/i.test(a)?1:0)+(/p/i.test(a)?2:0),c>2)return void this.clear();if(d=a.replace(/[^0-9\:]/g,"").split(":"),e=d[0]?d[0].toString():d.toString(),this.explicitMode&&e.length>2&&e.length%2!==0)return void this.clear();f=d[1]?d[1].toString():"",g=d[2]?d[2].toString():...

  }

  @Override
  public void clear() {
    if (!range.hasLowerBound() && !range.hasUpperBound()) {
      // We can do this in O(n) rather than removing one by one, which could force rebalancing.
      for (AvlNode<E> current = header.succ(); current != header; ) {
        AvlNode<E> next = current.succ();

        current.elemCount = 0;