* <ul>
 * <li>should allow separate threads for dispatching and receiving, i.e. single thread that dispatches
 * and a different single thread that receives should be perfectly safe</li>
 * <li>should allow stopping or requesting stopping from a different thread than receiving/dispatching</li>
 * <li>don't guarantee allowing multiple threads dispatching</li>
 * </ul>
 */
public interface Connection<T> extends Dispatch<T>, Receive<T>, Stoppable {

    public boolean isFailure() {
        return true;
    }

    @Override
    public RuntimeException getFailure() {
        return failure;
    }

    @Override
    public void writeTo(int requestId, HttpExchange exchange) {
        throw new IllegalStateException();
    }

    protected static String withLeadingSlash(String path) {
        if (path.startsWith("/")) {
            return path;
        } else {

interface ResponseProducer {
    default boolean isFailure() {
        return false;
    }

    /**
     * Called to handle a request. Is *not* called under lock.
     */
    void writeTo(int requestId, HttpExchange exchange) throws IOException;

    /**
     * Returns the failure, if any.
     */
    default RuntimeException getFailure() {
        throw new IllegalStateException();
    }

const (
	hostHeader = "Host"
)

var fwLog = log.RegisterScope("forwarder", "echo clientside")

func writeForwardedHeaders(out *bytes.Buffer, requestID int, header http.Header) {
	for key, values := range header {
		for _, v := range values {
			echo.ForwarderHeaderField.WriteKeyValueForRequest(out, requestID, key, v)
		}
	}
}

func newDialer(cfg *Config) hbone.Dialer {
	if cfg.Request.Hbone.GetAddress() != "" {

    validations:
      required: true
  - type: textarea
    id: retraction-reason
    attributes:
      label: "What is the reason that you could not retract this package instead?"
      description: |
        Requesting we remove a module here only hides the generated documentation on pkg.go.dev.
        It does not affect the behaviour of proxy.golang.org or the go command.

    </Credentials>
  </AssumeRoleResult>
  <ResponseMetadata>
    <RequestId>c6104cbe-af31-11e0-8154-cbc7ccf896c7</RequestId>
  </ResponseMetadata>
</AssumeRoleResponse>
```

## Using AssumeRole API

```
export MINIO_ROOT_USER=minio
export MINIO_ROOT_PASSWORD=minio123
minio server ~/test
```

        return path;
    }

    @Override
    public ResourceHandler create(WaitPrecondition precondition) {
        return this;
    }

    @Override
    public void writeTo(int requestId, HttpExchange exchange) {
        action.execute(exchange);
    }

        Attribute<Boolean> javaModule = Attribute.of("javaModule", Boolean.class);

        // compile and runtime classpath express that they only accept modules by requesting the javaModule=true attribute
        project.getConfigurations().matching(this::isResolvingJavaPluginConfiguration).all(
                c -> c.getAttributes().attribute(javaModule, true));

		groupsSpecified := len(req.Header[authenticationv1.ImpersonateGroupHeader]) > 0

		// make sure we're allowed to impersonate each thing we're requesting.  While we're iterating through, start building username
		// and group information
		username := ""
		groups := []string{}
		userExtra := map[string][]string{}
		uid := ""

      </Credentials>
   </AssumeRoleWithCertificateResult>
   <ResponseMetadata>
      <RequestId>169339CD8B3A6948</RequestId>
   </ResponseMetadata>
</AssumeRoleWithCertificateResponse>
```

## Authentication Flow