this.supplier = supplier;
    }

    @Override
    public L getAt(int index) {
      if (size != Integer.MAX_VALUE) {
        Preconditions.checkElementIndex(index, size());
      } // else no check necessary, all index values are valid
      ArrayReference<? extends L> existingRef = locks.get(index);
      L existing = existingRef == null ? null : existingRef.get();
      if (existing != null) {
        return existing;

Например, с помощью зависимостей в `APIRouter` мы можем потребовать аутентификации для доступа ко всей группе *эндпоинтов*, не указывая зависимости для каждой отдельной функции *эндпоинта*.

///

/// check | Заметка

Параметры `prefix`, `tags`, `responses` и `dependencies` относятся к функционалу **FastAPI**, помогающему избежать дублирования кода.

///

### Импорт зависимостей

* kubelet: send all recevied pods in one update ([#23141](https://github.com/kubernetes/kubernetes/pull/23141), [@yujuhong](https://github.com/yujuhong))
* Add a SSHKey sync check to the master's healthz (when using SSHTunnels). ([#23167](https://github.com/kubernetes/kubernetes/pull/23167), [@cjcullen](https://github.com/cjcullen))

        if (typeof options.maxDate === 'object')
            this.maxDate = moment(options.maxDate);

        // sanity check for bad options
        if (this.minDate && this.startDate.isBefore(this.minDate))
            this.startDate = this.minDate.clone();

        // sanity check for bad options
        if (this.maxDate && this.endDate.isAfter(this.maxDate))
            this.endDate = this.maxDate.clone();

   * @throws UnsupportedCharsetException if a charset value is present, but no support is available
   *     in this instance of the Java virtual machine
   */
  public Optional<Charset> charset() {
    // racy single-check idiom, this is safe because Optional is immutable.
    Optional<Charset> local = parsedCharset;
    if (local == null) {
      String value = null;
      local = Optional.absent();

    }

    @Test
    void testReadDataWireFormat_EmptyBuffer() throws Exception {
        // Test with empty dataCount but decode still processes buffer
        // Note: SmbInfoAllocation.decode() doesn't check len parameter, always reads 20 bytes
        response = new Trans2QueryFSInformationResponse(config, FileSystemInformation.SMB_INFO_ALLOCATION);

        byte[] buffer = new byte[100];

        final SearchEngineClient searchEngineClient = ComponentUtil.getSearchEngineClient();

        if (logger.isDebugEnabled()) {
            logger.debug("Adding {}", dataMap);
        }

        //   required check
        final Object urlObj = dataMap.get(fessConfig.getIndexFieldUrl());
        if (urlObj == null) {
            throw new DataStoreException("url is null. dataMap=" + dataMap);
        }

        Supplier<Object> supplier = () -> date;

        monitorTarget.append(buf, "dateKey", supplier);
        String result = buf.toString();
        assertTrue(result.startsWith("\"dateKey\":\""));
        // Check that the date was converted to string and properly escaped
        assertTrue(result.contains("2021") || result.contains("Jan") || result.contains("1609459200000"));
    }

    // Test appendTimestamp method

              ?, ? extends OneSizeTestContainerGenerator<Map<K, V>, Entry<K, V>>>
          parentBuilder) {
    // TODO: Once invariant support is added, supply invariants to each of the
    // derived suites, to check that mutations to the derived collections are
    // reflected in the underlying map.

    List<TestSuite> derivedSuites = super.createDerivedSuites(parentBuilder);

      rangesIndices += compactTable.sections.read14BitInt(i)
      rangesOffsets += compactTable.sections.read14BitInt(i + 2)
    }
    assertThat(rangesIndices).isEqualTo(rangesIndices.sorted())

    // Check the ranges.
    for (r in 0 until rangesOffsets.size) {
      val rangePos = rangesOffsets[r] * 4
      val rangeLimit =
        when {
          r + 1 < rangesOffsets.size -> rangesOffsets[r + 1] * 4