* @param target a primitive {@code short} value
   * @return the least index {@code i} for which {@code array[i] == target}, or {@code -1} if no
   *     such index exists.
   */
  public static int indexOf(short[] array, short target) {
    return indexOf(array, target, 0, array.length);
  }

  // TODO(kevinb): consider making this public

   * @param target a primitive {@code short} value
   * @return the least index {@code i} for which {@code array[i] == target}, or {@code -1} if no
   *     such index exists.
   */
  public static int indexOf(short[] array, short target) {
    return indexOf(array, target, 0, array.length);
  }

  // TODO(kevinb): consider making this public

     *
     * <p>This method encrypts sensitive handler parameters before storing
     * and immediately refreshes the index to ensure the change is visible.
     * If the configuration already exists (based on ID), it will be updated;
     * otherwise, a new configuration will be created.</p>
     *
     * @param dataConfig the data configuration to store
     * @throws IllegalArgumentException if dataConfig is null

    assertThat(hpackReader!!.headerCount).isEqualTo(0)
    assertThat(hpackReader!!.getAndResetHeaderList()).isEqualTo(
      headerEntries("custom-key", "custom-header"),
    )
  }

  /** Oldest entries are evicted to support newer ones.  */
  @Test
  fun writerEviction() {
    val headerBlock =
      headerEntries(
        "custom-foo",
        "custom-header",
        "custom-bar",
        "custom-header",

        directoryLeaseManager.requestDirectoryLease(directoryPath, DirectoryLeaseState.DIRECTORY_READ_HANDLE,
                DirectoryCacheScope.IMMEDIATE_CHILDREN);

        // Verify entry exists
        assertNotNull(directoryLeaseManager.getCacheEntry(directoryPath));

        // Release lease
        directoryLeaseManager.releaseDirectoryLease(directoryPath);

        // Entry should be removed

        charMappingFile.manager(dictionaryManager);
    }

    @Override
    public void tearDown() throws Exception {
        if (testFile != null && testFile.exists()) {
            testFile.delete();
        }
        super.tearDown();
    }

    // Test getType method
    public void test_getType() {
        assertEquals("mapping", charMappingFile.getType());

     * @return number of keys in memory
     */
    public int getKeyCount() {
        return sessionKeys.size();
    }

    /**
     * Check if a session key exists
     *
     * @param sessionId session identifier
     * @return true if key exists
     */
    public boolean hasSessionKey(String sessionId) {
        checkNotClosed();

    return mapEntry(key, value);
  }

  @Override
  protected void expectContents(Collection<Entry<K, V>> expected) {
    // TODO: move this to invariant checks once the appropriate hook exists?
    super.expectContents(expected);
    for (Entry<K, V> entry : expected) {
      assertEquals(
          "Wrong value for key " + entry.getKey(), entry.getValue(), getMap().get(entry.getKey()));
    }
  }

    /*
     * Open the file or fail if it does not exist
     * aka OPEN_EXISTING
     */

    static final int FILE_OPEN = 0x1;

    /*
     * Create the file or fail if it does not exist
     * aka CREATE_NEW
     */

    static final int FILE_CREATE = 0x2;

    /*
     * Open the file or create it if it does not exist
     * aka OPEN_ALWAYS
     */

Once the response has been received, the connection will be returned to the pool so it can be reused for a future request. Connections are evicted from the pool after a period of inactivity.

### [Fast Fallback](https://square.github.io/okhttp/4.x/okhttp/okhttp3/-ok-http-client/-builder/fast-fallback/)