return Primitives.wrap(type).cast(generateFresh(TypeToken.of(type)));
  }

  final <T> T newFreshProxy(final Class<T> interfaceType) {
    T proxy = newProxy(interfaceType);
    freshness.incrementAndGet();
    return proxy;
  }

  /**
   * Generates an instance for {@code type} using the current {@link #freshness}. The generated
   * instance may or may not be unique across different calls.

Using a relative URL is important to make sure your application keeps working even in an advanced use case like [Behind a Proxy](../../advanced/behind-a-proxy.md){.internal-link target=_blank}.

///

  }

  private static final InvocationHandler X_RETURNER =
      new InvocationHandler() {
        @Override
        public Object invoke(Object proxy, Method method, Object[] args) throws Throwable {
          return "x";
        }
      };

  private static int classesInitialized = 0;

  private static class A {
    static {
      ++classesInitialized;

            proxy_set_header X-Real-IP $remote_addr;
            proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
            proxy_set_header X-Forwarded-Proto $scheme;
            proxy_set_header X-NginX-Proxy true;

            # This is necessary to pass the correct IP to be hashed
            real_ip_header X-Real-IP;

            proxy_connect_timeout 300;
            
            # To support websocket

以上述方式挂载子应用时，FastAPI 使用 ASGI 规范中的 `root_path` 机制处理挂载子应用路径之间的通信。

这样，子应用就可以为自动文档使用路径前缀。

并且子应用还可以再挂载子应用，一切都会正常运行，FastAPI 可以自动处理所有 `root_path`。

	public final fun -deprecated_proxy ()Ljava/net/Proxy;
	public final fun -deprecated_socketAddress ()Ljava/net/InetSocketAddress;
	public fun <init> (Lokhttp3/Address;Ljava/net/Proxy;Ljava/net/InetSocketAddress;)V
	public final fun address ()Lokhttp3/Address;
	public fun equals (Ljava/lang/Object;)Z
	public fun hashCode ()I
	public final fun proxy ()Ljava/net/Proxy;
	public final fun requiresTunnel ()Z

	MessageWriter io.Writer

	// XdsViaAgents accesses Istiod via the tap service of each agent.
	// This is only used in `proxy-status` command.
	XdsViaAgents bool

	// XdsViaAgentsLimit is the maximum number of pods being visited by istioctl,
	// when `XdsViaAgents` is true. This is only used in `proxy-status` command.
	// 0 means that there is no limit.
	XdsViaAgentsLimit int
}

var DefaultOptions = Options{

    return Primitives.wrap(type).cast(generateFresh(TypeToken.of(type)));
  }

  final <T> T newFreshProxy(final Class<T> interfaceType) {
    T proxy = newProxy(interfaceType);
    freshness.incrementAndGet();
    return proxy;
  }

  /**
   * Generates an instance for {@code type} using the current {@link #freshness}. The generated
   * instance may or may not be unique across different calls.

Istio Version:       1.21.0-1226
Istio Proxy Version: ee85c5f28702f00621aed895915fca565796b9e4
Envoy Version:       0.0.0

NAME                                                                SERVICE FQDN                          PORT     SUBSET     DIRECTION       TYPE       DESTINATION RULE
cluster/agent                                                       cluster/agent                         -        -          -               STATIC     

 * [newFixedLengthSource(0)][newFixedLengthSource] and may skip reading and closing that source.
 */
class Http1ExchangeCodec(
  /** The client that configures this stream. May be null for HTTPS proxy tunnels. */
  private val client: OkHttpClient?,
  override val carrier: ExchangeCodec.Carrier,
  private val source: BufferedSource,
  private val sink: BufferedSink,
) : ExchangeCodec {
  private var state = STATE_IDLE