<item name="Source Xref" href="xref/index.html"/>
      <!--item name="FAQ" href="faq.html"/-->
    </menu>

    <menu name="Reference">
      <item name="Core Extensions" href="core-extensions.html"/>
      <item name="Extension Descriptor" href="extension.html"/>
    </menu>
  </body>

     * @param extension the artifact extension, or {@code null} is unspecified
     * @return coordinates used to point to the artifact
     *
     * @see ArtifactCoordinatesFactory#create(Session, String, String, String, String)
     */
    @Nonnull
    ArtifactCoordinates createArtifactCoordinates(String groupId, String artifactId, String version, String extension);

    /**

                }

                for (Extension extension : build.getExtensions()) {
                    addEdge(
                            projectMap,
                            vertexMap,
                            project,
                            projectVertex,
                            extension.getGroupId(),
                            extension.getArtifactId(),

from fastapi import FastAPI
from fastapi.testclient import TestClient

app = FastAPI()


@app.get("/", openapi_extra={"x-custom-extension": "value"})
def route_with_extras():
    return {}


client = TestClient(app)


def test_get_route():
    response = client.get("/")
    assert response.status_code == 200, response.text
    assert response.json() == {}


def test_openapi():

    }

    private static String getKey(Plugin plugin, boolean extension) {
        String version = ArtifactUtils.toSnapshotVersion(plugin.getVersion());
        return (extension ? "extension>" : "plugin>") + plugin.getGroupId() + ":" + plugin.getArtifactId() + ":"
                + version;
    }

    * There is a **solution** to this, however.
* There's an **extension** to the **TLS** protocol (the one handling the encryption at the TCP level, before HTTP) called **<a href="https://en.wikipedia.org/wiki/Server_Name_Indication" class="external-link" target="_blank"><abbr title="Server Name Indication">SNI</abbr></a>**.

            if ("extension".equals(parser.getName())) {
                java.util.List<CoreExtension> extensions = coreExtensions.getExtensions();
                if (extensions == null) {
                    extensions = new java.util.ArrayList<CoreExtension>();
                }
                extensions.add(parseCoreExtension(parser, strict));

 * {{{./artifact-handlers.html}default artifact handlers}}, to manage {{{../maven-model/maven.html#class_dependency}dependency types}},

 * {{{./extension.html}extension descriptor}} and {{{./core-extensions.html}core extensions}},

 * {{{/guides/mini/guide-maven-classloading.html}classloader hierarchy}} done by <<<ClassRealmManager>>> component

	defer store.Unlock()
	if uint64(len(store.entries)) >= store.entryLimit {
		return Key{}, errLimitExceeded
	}
	key := Key{
		Name:      uid.String(),
		ItemCount: len(items),
		Compress:  true,
		Extension: store.fileExt,
	}
	return key, store.multiWrite(key, items)
}

// multiWrite - writes an item to the directory.
func (store *QueueStore[I]) multiWrite(key Key, items []I) (err error) {

            ArtifactRepository deploymentRepository,
            ArtifactRepository localRepository)
            throws ArtifactDeploymentException {
        String extension = artifact.getArtifactHandler().getExtension();
        File source = new File(basedir, finalName + "." + extension);
        deploy(source, artifact, deploymentRepository, localRepository);
    }

    @Override
    public void deploy(