return collection;
  }

  /**
   * @see AbstractContainerTester#resetContainer()
   */
  protected void resetCollection() {
    resetContainer();
  }

  /**
   * @return an array of the proper size with {@code null} inserted into the middle element.
   */
  protected E[] createArrayWithNullElement() {
    E[] array = createSamplesArray();
    array[getNullLocation()] = null;
    return array;
  }

    return collection;
  }

  /**
   * @see AbstractContainerTester#resetContainer()
   */
  protected void resetCollection() {
    resetContainer();
  }

  /**
   * @return an array of the proper size with {@code null} inserted into the middle element.
   */
  protected E[] createArrayWithNullElement() {
    E[] array = createSamplesArray();
    array[getNullLocation()] = null;
    return array;
  }

 * Implementations for common types can be found in {@link Funnels}.
 *
 * <p>Note that serialization of {@linkplain BloomFilter bloom filters} requires the proper
 * serialization of funnels. When possible, it is recommended that funnels be implemented as a
 * single-element enum to maintain serialization guarantees. See Effective Java (2nd Edition), Item

    /**
     * {@inheritDoc}
     *
     * @see jcifs.internal.smb2.ServerMessageBlock2Response#prepare(jcifs.internal.CommonServerMessageBlockRequest)
     */
    @Override
    public void prepare(final CommonServerMessageBlockRequest next) {
        if (isReceived()) {
            next.setSessionId(getSessionId());
        }
        super.prepare(next);
    }

    /**
     * {@inheritDoc}
     *

     */
    @Override
    CommonServerMessageBlockResponse getNextResponse();

    /**
     * Prepares this response for the next request.
     *
     * @param next the next request to prepare for
     */
    void prepare(CommonServerMessageBlockRequest next);

 *
 * <p>The Invoker is designed to be flexible, allowing for different implementations
 * that can handle various types of {@link InvokerRequest InvokerRequests}. It also implements
 * {@link AutoCloseable} to ensure proper resource management.</p>
 *
 * @since 4.0.0
 */
@Experimental
public interface Invoker extends AutoCloseable {
    /**
     * Invokes the Maven application using the provided {@link InvokerRequest}.

  // Initializes context for the local worker and no contexts will be created
  // for remote workers. Currently this only works for resetting context.
  // TODO(b/289445025): Consider removing this when we find a proper fix.
  virtual absl::Status InitializeLocalOnlyContext(const ServerDef& server_def,
                                                  int keep_alive_secs) = 0;

        // Note: isTarget method requires FessConfig from ComponentUtil
        // which needs container initialization.
        // We can only test that the method can be called without crashing
        // when proper conditions are not met.

        Map<String, Object> docMap = new HashMap<>();

        // This will return false because getFessConfig() will fail
        // We verify the method handles the case gracefully
        try {

# Test Guide

```bash
cd tests
# prepare test databases
docker-compose up

# run all tests
./tests_all.sh

To see the difference, imagine the following story about burgers:

### Concurrent Burgers { #concurrent-burgers }

You go with your crush to get fast food, you stand in line while the cashier takes the orders from the people in front of you. 😍

<img src="/img/async/concurrent-burgers/concurrent-burgers-01.png" class="illustration">

Then it's your turn, you place your order of 2 very fancy burgers for your crush and you. 🍔🍔