* @author Harry Heymann
 * @since 2.0
 */
@GwtCompatible
public final class Suppliers {
  private Suppliers() {}

  /**
   * Returns a new supplier which is the composition of the provided function and supplier. In other
   * words, the new supplier's value will be computed by retrieving the value from {@code supplier},
   * and then applying {@code function} to that value. Note that the resulting supplier will not

As it is discouraged, the interactive docs with Swagger UI won't show the documentation for the body when using `GET`, and proxies in the middle might not support it.

///

## Import Pydantic's `BaseModel` { #import-pydantics-basemodel }

First, you need to import `BaseModel` from `pydantic`:

// Returns a hexadecimal representation of time at the
// time response is sent to the client.
func mustGetRequestID(t time.Time) string {
	return fmt.Sprintf("%X", t.UnixNano())
}

// setEventStreamHeaders to allow proxies to avoid buffering proxy responses
func setEventStreamHeaders(w http.ResponseWriter) {
	w.Header().Set(xhttp.ContentType, "text/event-stream")
	w.Header().Set(xhttp.CacheControl, "no-cache") // nginx to turn off buffering

      invocationContext: ReflectiveInvocationContext<Method>,
      extensionContext: ExtensionContext,
    ) {
      var failed = false
      try {
        invocation.proceed()
      } catch (e: TestAbortedException) {
        throw e
      } catch (e: Throwable) {
        failed = true
        rethrowIfNotExpected(e)
      } finally {
        resetPlatform()
      }

        // To keep this helper simple, return base and let the caller append/pad and inject ctx.
        return base;
    }

    /**
     * Build a full SMB2 packet combining header and provided body, optionally injecting context bytes.
     */
    private static byte[] buildPacket(byte[] header, byte[] body, Integer ctxOffsetFromHeader, byte[] ctxBytes) {
        int totalLen;

        DependencySelector depFilter = new AndDependencySelector(
                ScopeDependencySelector.legacy(
                        null, Arrays.asList(DependencyScope.TEST.id(), DependencyScope.PROVIDED.id())),
                OptionalDependencySelector.fromDirect(),
                new ExclusionDependencySelector());
        session.setDependencySelector(depFilter);

* Collect the money.
* Send a notification back to the API user (the external developer).
    * This will be done by sending a POST request (from *your API*) to some *external API* provided by that external developer (this is the "callback").

## The normal **FastAPI** app { #the-normal-fastapi-app }

Let's first see how the normal API app would look like before adding the callback.

	for _, ip := range ipList {
		apiEndpoints = append(apiEndpoints, getURLScheme(globalIsTLS)+"://"+net.JoinHostPort(ip, globalMinioPort))
	}

	return apiEndpoints
}

// isHostIP - helper for validating if the provided arg is an ip address.
func isHostIP(ipAddress string) bool {
	host, _, err := net.SplitHostPort(ipAddress)
	if err != nil {
		host = ipAddress
	}
	// Strip off IPv6 zone information.

	cred := globalActiveCred
	if cred.AccessKey != accessKey {
		if !globalIAMSys.Initialized() {
			// Check if server has initialized, then only proceed
			// to check for IAM users otherwise its okay for clients
			// to retry with 503 errors when server is coming up.
			return auth.Credentials{}, false, ErrIAMNotInitialized
		}

				"X-Amz-Content-Sha256": payloadSHA256,
			},
			region:   region,
			expected: ErrRequestNotReadyYet,
		},
		// (7) Should not error with invalid region instead, call should proceed
		// with signature does not match.
		{
			queryParams: map[string]string{
				"X-Amz-Algorithm":      signV4Algorithm,
				"X-Amz-Date":           now.Format(iso8601Format),
				"X-Amz-Expires":        "60",