private val typeHintStack = mutableListOf<Any?>()

  /**
   * The type hint for the current object. Used to pick adapters based on other fields, such as
   * in extensions which have different types depending on their extension ID.
   */
  var typeHint: Any?
    get() = typeHintStack.lastOrNull()
    set(value) {
      typeHintStack[typeHintStack.size - 1] = value
    }

      null, "" -> null
      else -> protocol
    }
  }

  override fun configureTlsExtensions(
    sslSocket: SSLSocket,
    hostname: String?,
    protocols: List<Protocol>,
  ) {
    // No TLS extensions if the socket class is custom.
    if (matchesSocket(sslSocket)) {
      val bcSocket = sslSocket as BCSSLSocket

      val sslParameters = bcSocket.parameters

      // Enable ALPN.

 * <p>
 * This service provides access to all registered instances of a specific extensible enum type.
 * It's used internally by Maven and can also be used by plugins and extensions to access
 * custom enum values that have been registered through SPI providers.
 *
 * @param <T> the specific type of extensible enum managed by this registry
 * @since 4.0.0
 */

import org.apache.maven.api.di.Named;

/**
 * Service provider interface for registering custom {@link Packaging} implementations.
 * <p>
 * This interface allows plugins and extensions to define and register additional packaging types
 * beyond the standard ones provided by Maven (like jar, war, ear, etc.). Implementations of this

import org.apache.maven.api.model.Model;

/**
 * Interface for model transformers that can modify Maven project models at different stages of processing.
 * <p>
 * Model transformers allow plugins and extensions to modify the POM model during the build process.
 * Transformations can be applied at three different stages:
 * <ol>
 *   <li>File model - The raw model as read directly from the file</li>

Fügen wir beispielsweise <a href="https://github.com/Rebilly/ReDoc/blob/master/docs/redoc-vendor-extensions.md#x-logo" class="external-link" target="_blank">ReDocs OpenAPI-Erweiterung</a> zum Einbinden eines benutzerdefinierten Logos hinzu.

### Normales **FastAPI**

import org.apache.maven.api.di.Named;

/**
 * Service provider interface for registering custom {@link Lifecycle} implementations.
 * <p>
 * This interface allows plugins and extensions to define and register additional build lifecycles
 * beyond the standard ones provided by Maven (like clean, default, site). Lifecycles define a sequence
 * of phases that can be executed during a build.
 * <p>

import org.apache.maven.api.di.Named;

/**
 * Service provider interface for registering custom {@link PathScope} implementations.
 * <p>
 * This interface allows plugins and extensions to define and register additional path scopes
 * beyond the standard ones provided by Maven. Path scopes define how dependencies are used
 * in different contexts, such as compilation, testing, or runtime.
 * <p>

	VersionID             string `xml:"VersionId,omitempty"`
	// MTime of DeleteMarker on source that needs to be propagated to replica
	DeleteMarkerMTime DeleteMarkerMTime `xml:"-"`
	// MinIO extensions to support delete marker replication
	ReplicationState ReplicationState `xml:"-"`

	found bool // the object was found during deletion
}

// DeleteMarkerMTime is an embedded type containing time.Time for XML marshal

		t.Fatal(err)
	}
	if _, err = writer.Write([]byte(contents)); err != nil {
		t.Fatal(err)
	}
	if err := writer.Close(); err != nil {
		t.Fatal(err)
	}
	// Simple test to make sure PAX extensions are in effect
	if !bytes.Contains(buf.Bytes(), []byte("PaxHeaders.0")) {
		t.Fatal("Expected at least one PAX header to be written.")
	}
	// Test that we can get a long name back out of the archive.