* Otherwise this returns an empty list of challenges.
   *
   * If a challenge uses the `token68` variant instead of auth params, there is exactly one
   * auth param in the challenge at key null. Invalid headers and challenges are ignored.
   * No semantic validation is done, for example that `Basic` auth must have a `realm`
   * auth param, this is up to the caller that interprets these challenges.
   */
  fun challenges(): List<Challenge> {

        });
        final LoginCredentialResolver loginResolver = new LoginCredentialResolver(resolver);
        for (final SsoAuthenticator auth : ComponentUtil.getSsoManager().getAuthenticators()) {
            auth.resolveCredential(loginResolver);
        }
    }

    public static class LoginCredentialResolver {

// Code generated by "stringer -type=authType -trimprefix=authType auth-handler.go"; DO NOT EDIT.

package cmd

import "strconv"

func _() {
	// An "invalid array index" compiler error signifies that the constant values have changed.
	// Re-run the stringer command to generate them again.
	var x [1]struct{}
	_ = x[authTypeUnknown-0]
	_ = x[authTypeAnonymous-1]
	_ = x[authTypePresigned-2]
	_ = x[authTypePresignedV2-3]

#### KeyCloak

```
export MINIO_ROOT_USER=minio
export MINIO_ROOT_PASSWORD=minio123
export MINIO_IDENTITY_OPENID_CONFIG_URL=http://localhost:8080/auth/realms/demo/.well-known/openid-configuration
export MINIO_IDENTITY_OPENID_CLIENT_ID="843351d4-1080-11ea-aa20-271ecba3924a"
minio server /mnt/data
```

#### Casdoor

```
export MINIO_ROOT_USER=minio

	"github.com/minio/console/api/operations"
	consoleoauth2 "github.com/minio/console/pkg/auth/idp/oauth2"
	consoleCerts "github.com/minio/console/pkg/certs"
	"github.com/minio/madmin-go/v3"
	"github.com/minio/minio-go/v7"
	"github.com/minio/minio-go/v7/pkg/set"
	"github.com/minio/minio/internal/auth"
	"github.com/minio/minio/internal/color"
	"github.com/minio/minio/internal/config"

MINIO_IDENTITY_OPENID_KEYCLOAK_ADMIN_URL    (string)    Specify Keycloak 'admin' REST API endpoint e.g. http://localhost:8080/auth/admin/
MINIO_IDENTITY_OPENID_REDIRECT_URI_DYNAMIC  (on|off)    Enable 'Host' header based dynamic redirect URI (default: 'off')
MINIO_IDENTITY_OPENID_COMMENT               (sentence)  optionally add a comment to this setting
```

from fastapi.testclient import TestClient

from docs_src.security.tutorial006_an import app

client = TestClient(app)


def test_security_http_basic():
    response = client.get("/users/me", auth=("john", "secret"))
    assert response.status_code == 200, response.text
    assert response.json() == {"username": "john", "password": "secret"}


def test_security_http_basic_no_credentials():

- Added apiserver_envelope_encryption_kms_operations_latency_seconds metric to measure the KMSv2 grpc calls latency. ([#115649](https://github.com/kubernetes/kubernetes/pull/115649), [@aramase](https://github.com/aramase)) [SIG API Machinery, Auth and Testing]

from base64 import b64encode

from fastapi.testclient import TestClient

from docs_src.security.tutorial006 import app

client = TestClient(app)


def test_security_http_basic():
    response = client.get("/users/me", auth=("john", "secret"))
    assert response.status_code == 200, response.text
    assert response.json() == {"username": "john", "password": "secret"}


def test_security_http_basic_no_credentials():

- Using exec auth plugins with kubectl no longer results in warnings about constructing many client instances from the same exec auth config. ([#97857](https://github.com/kubernetes/kubernetes/pull/97857), [@liggitt](https://github.com/liggitt)) [SIG API Machinery and Auth]
- When a CNI plugin returns dual-stack pod IPs, kubelet will now try to respect the