"golang.org/x/net/http2"
	"google.golang.org/grpc"
	"google.golang.org/grpc/credentials"
	"google.golang.org/grpc/reflection"
	corev1 "k8s.io/api/core/v1"
	"k8s.io/client-go/rest"

	meshconfig "istio.io/api/mesh/v1alpha1"
	"istio.io/api/security/v1beta1"
	"istio.io/istio/pilot/pkg/controllers/untaint"
	kubecredentials "istio.io/istio/pilot/pkg/credentials/kube"
	"istio.io/istio/pilot/pkg/features"

        module.rootMetaData.sha256.expectPut(credentials)
        module.rootMetaData.sha512.expectPut(credentials)
        module.rootMetaData.md5.expectPut(credentials)
        module.pom.expectPut(credentials)
        module.pom.sha1.expectPut(credentials)
        module.pom.sha256.expectPut(credentials)
        module.pom.sha512.expectPut(credentials)
        module.pom.md5.expectPut(credentials)

		{
			bucketName:         bucketName,
			accessKey:          credentials.AccessKey,
			secretKey:          credentials.SecretKey,
			expectedRespStatus: http.StatusOK,
		},
		// Test case - 2.
		// Non-existent bucket name.
		{
			bucketName:         "2333",
			accessKey:          credentials.AccessKey,
			secretKey:          credentials.SecretKey,
			expectedRespStatus: http.StatusNotFound,
		},

		{
			bucketName:         bucketName,
			accessKey:          credentials.AccessKey,
			secretKey:          credentials.SecretKey,
			expectedRespStatus: http.StatusNoContent,
		},
		// Test case - 2.
		// Case with non-existent-bucket.
		{
			bucketName:         "non-existent-bucket",
			accessKey:          credentials.AccessKey,
			secretKey:          credentials.SecretKey,
			expectedRespStatus: http.StatusNotFound,
		},

    }

    private void prepareIvyHttpRepository(IvyHttpRepository repository, PasswordCredentials credentials) {
        def rootModule = repository.module("group", "root")
        rootModule.ivy.expectPublish(true, credentials)
        rootModule.moduleMetadata.expectPublish(true, credentials)
    }

    private Map<File, String> ivyRepoFiles() {
        listFiles(ivyRepo.rootDir, null, true)

}

// Test for authentication
func testBucketLifecycleHandlersWrongCredentials(obj ObjectLayer, instanceType, bucketName string, apiRouter http.Handler,
	credentials auth.Credentials, t *testing.T,
) {
	// test cases with sample input and expected output.
	testCases := []struct {
		method     string
		bucketName string
		accessKey  string
		secretKey  string
		// Sent body
		body []byte
		// Expected response

		}
	} else {

		// Temporary credentials are not allowed.
		if ui.Credentials.IsTemp() {
			return nil, errAuthentication
		}

		if subtle.ConstantTimeCompare([]byte(ui.Credentials.SecretKey), pass) != 1 {
			return nil, errAuthentication
		}
	}

	return &ssh.Permissions{
		CriticalOptions: map[string]string{
			"AccessKey":    ui.Credentials.AccessKey,
			"SecretKey":    ui.Credentials.SecretKey,

			if u.Credentials.IsTemp() {
				// We should delete such that the client can re-request
				// for the expiring credentials.
				deleteKeyEtcd(ctx, ies.client, getUserIdentityPath(user, userType))
				deleteKeyEtcd(ctx, ies.client, getMappedPolicyPath(user, userType, false))
			}
			return nil
		}
		u.Credentials.Claims = jwtClaims.Map()
	}
	if u.Credentials.Description == "" {

			if u.Credentials.IsTemp() {
				// We should delete such that the client can re-request
				// for the expiring credentials.
				iamOS.deleteIAMConfig(ctx, getUserIdentityPath(user, userType))
				iamOS.deleteIAMConfig(ctx, getMappedPolicyPath(user, userType, false))
			}
			return nil

		}
		u.Credentials.Claims = jwtClaims.Map()
	}

	if u.Credentials.Description == "" {

        credentialsForExternalToolViaStdin {
            sampleDirectory = samplesRoot.dir("credentials-handling/pass-credentials-to-external-tool-via-stdin")
            displayName = "Supply credentials to external tool"
            description = "Pass credentials to an external tool via stdin using Gradle properties."
            category = "Using Credentials"
        }

        structuringSoftwareProjects {