}

func errIsTierPermError(err error) bool {
	var tpErr tierPermErr
	return errors.As(err, &tpErr)
}

// remoteVersionID represents the version id of an object in the remote tier.
// Its usage is remote tier cloud implementation specific.
type remoteVersionID string

// newWarmBackend instantiates the tier type specific WarmBackend, runs
// checkWarmBackend on it.

// along with this program.  If not, see <http://www.gnu.org/licenses/>.

package cmd

import (
	"context"
	"errors"
	"fmt"
	"io"
	"net/http"

	"cloud.google.com/go/storage"
	"github.com/minio/madmin-go/v3"
	"google.golang.org/api/googleapi"
	"google.golang.org/api/iterator"
	"google.golang.org/api/option"

	xioutil "github.com/minio/minio/internal/ioutil"
)

}

// ErrUnsupportedConfiguration - unsupported configuration error.
type ErrUnsupportedConfiguration struct{}

func (err ErrUnsupportedConfiguration) Error() string {
	return "topic or cloud function configuration is not supported"
}

// ErrDuplicateQueueConfiguration - duplicate queue configuration error.
type ErrDuplicateQueueConfiguration struct {
	Queue Queue
}

	hm.Write([]byte(stringToSign))

	// Calculate signature.
	signature := base64.StdEncoding.EncodeToString(hm.Sum(nil))

	query := req.URL.Query()
	// Handle specially for Google Cloud Storage.
	query.Set("AWSAccessKeyId", accessKeyID)
	// Fill in Expires for presigned query.
	query.Set("Expires", strconv.FormatInt(epochExpires, 10))

	// Encode query and save.
	req.URL.RawQuery = query.Encode()

}

func mcpTransport(ctx context.Context, tr http.RoundTripper) (http.RoundTripper, error) {
	creds, err := google.FindDefaultCredentials(ctx, "https://www.googleapis.com/auth/cloud-platform")
	if err != nil {
		return nil, fmt.Errorf("finding default GCP credentials: %w", err)
	}
	return &oauth2.Transport{
		Base:   tr,
		Source: creds.TokenSource,
	}, nil

		g.Expect(c).Should(HavePathValueEqual(PathValue{"env.[name:PILOT_CERT_PROVIDER].value", "foobar"}))
		g.Expect(s).Should(HavePathValueContain(PathValue{"metadata.annotations", toMap("cloud.google.com/load-balancer-type: internal")}))
		g.Expect(s).Should(HavePathValueContain(PathValue{"spec.ports.[0]", portVal("grpc-pilot-mtls", 15011, -1)}))

		HTTPStatusCode: http.StatusBadRequest,
	},
	ErrUnsupportedNotification: {
		Code:           "UnsupportedNotification",
		Description:    "MinIO server does not support Topic or Cloud Function based notifications.",
		HTTPStatusCode: http.StatusBadRequest,
	},
	ErrInvalidCopyPartRange: {
		Code:           "InvalidArgument",

	fmt.Printf("%s", bytes.Title([]byte("her royal highness")))
	// Output: Her Royal Highness
}

func ExampleToTitle() {
	fmt.Printf("%s\n", bytes.ToTitle([]byte("loud noises")))
	fmt.Printf("%s\n", bytes.ToTitle([]byte("хлеб")))
	// Output:
	// LOUD NOISES
	// ХЛЕБ
}

func ExampleToTitleSpecial() {
	str := []byte("ahoj vývojári golang")
	totitle := bytes.ToTitleSpecial(unicode.AzeriCase, str)

		TCPOptions:       globalTCPOptions,
	}.NewInternodeHTTPTransport(maxIdleConnsPerHost)
}

// NewHTTPTransportWithClientCerts returns a new http configuration
// used while communicating with the cloud backends.
func NewHTTPTransportWithClientCerts(clientCert, clientKey string) http.RoundTripper {
	s := xhttp.ConnSettings{
		LookupHost:       globalDNSCache.LookupHost,
		DialTimeout:      defaultDialTimeout,

	                     <Name>suffix</Name>
	                     <Value>.jpg</Value>
	                 </FilterRule>
	             </S3Key>
	      </Filter>
	      <Cloudcode>arn:aws:lambda:us-west-2:444455556666:cloud-function-A</Cloudcode>
	      <Event>s3:ObjectCreated:Put</Event>
	   </CloudFunctionConfiguration>
	   <TopicConfiguration>
	      <Topic>arn:aws:sns:us-west-2:444455556666:sns-notification-one</Topic>