* Returns the first element in {@code iterator} that satisfies the given predicate. If no such
   * element is found, {@code defaultValue} will be returned from this method and the iterator will
   * be left exhausted: its {@code hasNext()} method will return {@code false}. Note that this can
   * usually be handled more naturally using {@code tryFind(iterator, predicate).or(defaultValue)}.
   *
   * @since 7.0
   */

	// This will block all Send operations,
	// and finish the existing ones.
	// All future ones will be discarded.
	h.logChMu.Lock()
	xioutil.SafeClose(h.logCh)
	h.logCh = nil
	h.logChMu.Unlock()

	if h.producer != nil {
		h.producer.Close()
		h.client.Close()
	}

	// Wait for messages to be sent...
	h.wg.Wait()
}

// New initializes a new logger target which

   *
   * Our usages should at least be *relatively* safe: Typically, threads started by a test are dying
   * at the end of the test, so there is no object state put at risk by stopping the threads
   * abruptly. In other cases, a test may put a thread into an uninterruptible operation
   * intentionally, so there is no other way to clean up these threads. (The better solution,

// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU Affero General Public License for more details.
//

     *
     * @return resolveHashes
     */
    boolean isResolveHashes();

    /**
     * Check if this referral needs to be resolved further
     *
     * @return whether this refrral needs to be resolved further
     */
    boolean isIntermediate();

    /**
     * Combine this referral with another to form a chain
     *

This sub-application is just another standard FastAPI application, but this is the one that will be "mounted":

{* ../../docs_src/sub_applications/tutorial001_py310.py hl[11, 14:16] *}

### Mount the sub-application { #mount-the-sub-application }

In your top-level application, `app`, mount the sub-application, `subapi`.

In this case, it will be mounted at the path `/subapi`:

// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU Affero General Public License for more details.
//

import com.google.errorprone.annotations.DoNotMock;

/**
 * A functional interface for <a
 * href="https://en.wikipedia.org/wiki/Graph_(discrete_mathematics)">graph</a>-structured data.
 *
 * <p>This interface is meant to be used as the type of a parameter to graph algorithms (such as
 * breadth first traversal) that only need a way of accessing the successors of a node in a graph.
 *
 * <h3>Usage</h3>
 *
 * Given an algorithm, for example:
 *

     * "java.protocol.handler.pkgs", the VM uses one or more default
     * packages, which are vendor specific.  Sun's is included below
     * for convenience; others could be as well.  If a particular vendor's
     * package isn't listed, it can be specified in
     * "java.protocol.handler.pkgs".
     */
    private static final String[] JVM_VENDOR_DEFAULT_PKGS = { "sun.net.www.protocol" };

// UpdateObjectVersion updates metadata and modTime for a given
// versionID, NOTE: versionID must be valid and should exist -
// and must not be a DeleteMarker or legacy object, if no
// versionID is specified 'null' versionID is updated instead.
//
// It is callers responsibility to set correct versionID, this
// function shouldn't be further extended to update immutable
// values such as ErasureInfo, ChecksumInfo.
//