In this case, the `startup` event handler function will initialize the items "database" (just a `dict`) with some values.

You can add more than one event handler function.

And your application won't start receiving requests until all the `startup` event handlers have completed.

### `shutdown` event { #shutdown-event }

        assert client.app_state == {"router": True}


@pytest.mark.filterwarnings(
    r"ignore:\s*on_event is deprecated, use lifespan event handlers instead.*:DeprecationWarning"
)
def test_router_async_shutdown_handler(state: State) -> None:
    """Test that async on_shutdown event handlers are called correctly, for coverage."""
    app = FastAPI()

    @app.get("/")
    def main() -> dict[str, str]:

// along with this program.  If not, see <http://www.gnu.org/licenses/>.

// Originally from https://github.com/gorilla/handlers with following license
// https://raw.githubusercontent.com/gorilla/handlers/master/LICENSE, forked
// and heavily modified for MinIO's internal needs.

package handlers

import (
	"net"
	"net/http"
	"regexp"
	"strings"

	"github.com/minio/minio/internal/config"

 * governing permissions and limitations under the License.
 */
package org.codelibs.core.io;

import java.io.InputStream;

/**
 * Interface for handlers that process resources.
 *
 * @author taedium
 */
public interface ResourceHandler {

    /**
     * Processes a resource.
     *
     * @param path the path

 */
package org.apache.maven.artifact.handler.manager;

import java.util.Map;

import org.apache.maven.artifact.handler.ArtifactHandler;

/**
 */
public interface ArtifactHandlerManager {
    String ROLE = ArtifactHandlerManager.class.getName();

    ArtifactHandler getArtifactHandler(String type);

    @Deprecated
    void addHandlers(Map<String, ArtifactHandler> handlers);

	httpStats := newHTTPStats()
	// Simulate the concurrent scenario from the original race condition:
	// Multiple HTTP request handlers updating stats concurrently,
	// while background processes are reading the stats for persistence.
	const numWriters = 100 // Simulate many HTTP request handlers.
	const numReaders = 50  // Simulate background stats readers.
	const opsPerGoroutine = 100

	var wg sync.WaitGroup

// When clients request content hosted on a particular source domain and that content make requests
// directed towards a domain other than its own, the remote domain needs to host a cross-domain
// policy file that grants access to the source domain, allowing the client to continue the transaction.
func setCrossDomainPolicyMiddleware(h http.Handler) http.Handler {

 * either express or implied. See the License for the specific language
 * governing permissions and limitations under the License.
 */
package org.codelibs.core.io;

/**
 * Interface for handlers that process classes.
 *
 * @author koichik
 */
public interface ClassHandler {

    /**
     * Processes a class.
     *
     * @param packageName the package name

            filterPanel: $('#filterPanel')
        };

        bindEvents();
        autoResizeTextarea();
        updateCharCount();
        showStatus('ready');
    }

    /**
     * Bind event handlers
     */
    function bindEvents() {
        elements.sendBtn.on('click', sendMessage);

        elements.chatInput.on('keydown', function(e) {

	if err != nil {
		t.Fatalf("Test %s: Failed to create HTTP request for RemoveBucketHandler: <ERROR> %v", instanceType, err)
	}
	// Since `apiRouter` satisfies `http.Handler` it has a ServeHTTP to execute the logic of the handler.
	// Call the ServeHTTP to execute the handler.
	apiRouter.ServeHTTP(rec, req)
	switch rec.Code {
	case http.StatusOK, http.StatusCreated, http.StatusAccepted, http.StatusNoContent: