xhttp "github.com/minio/minio/internal/http"
)

// AWS Signature Version '4' constants.
const (
	signV4Algorithm = "AWS4-HMAC-SHA256"
	iso8601Format   = "20060102T150405Z"
	yyyymmdd        = "20060102"
)

type serviceType string

const (
	serviceS3  serviceType = "s3"
	serviceSTS serviceType = "sts"
)

// getCanonicalHeaders generate a list of request headers with their values

 */
@Deprecated(since = "4.0.0")
final class RemoteSnapshotMetadata extends MavenSnapshotMetadata {
    public static final String DEFAULT_SNAPSHOT_TIMESTAMP_FORMAT = "yyyyMMdd.HHmmss";

    public static final TimeZone DEFAULT_SNAPSHOT_TIME_ZONE = TimeZone.getTimeZone("Etc/UTC");

    private final Map<String, SnapshotVersion> versions = new LinkedHashMap<>();

		<Property name="log.pattern" value="%d [%t] %-5p %msg%n" />
		<Property name="log.file.basedir" value="${sys:fess.log.path:-target/logs}" />
		<Property name="backup.date.suffix" value="_%d{yyyyMMdd}" />
		<Property name="backup.max.history" value="10" />
		<Property name="backup.max.age" value="90" />
		<Property name="backup.audit.max.age" value="360" />
		<Property name="backup.searchlog.max.age" value="90" />

/**
 */
@Named("snapshot")
@Singleton
@Deprecated
public class SnapshotTransformation extends AbstractVersionTransformation {
    private static final String DEFAULT_SNAPSHOT_TIMESTAMP_FORMAT = "yyyyMMdd.HHmmss";

    private static final TimeZone DEFAULT_SNAPSHOT_TIME_ZONE = TimeZone.getTimeZone("Etc/UTC");

    private String deploymentTimestamp;

    @Override

    }

    @AfterEach
    void restoreLocale() {
        Locale.setDefault(defaultLocale);
    }

    static String gregorianDate() {
        SimpleDateFormat df = new SimpleDateFormat("yyyyMMdd");
        df.setCalendar(new GregorianCalendar());
        df.setTimeZone(RemoteSnapshotMetadata.DEFAULT_SNAPSHOT_TIME_ZONE);
        return df.format(new Date());
    }

    @Test

    }

    /*-- START helper methods to populate metadata objects ---*/
    private static final String SNAPSHOT = "SNAPSHOT";

    private static final String DEFAULT_SNAPSHOT_TIMESTAMP_FORMAT = "yyyyMMdd.HHmmss";

    private static final String DEFAULT_DATE_FORMAT = "yyyyMMddHHmmss";

    private static String formatDate(Date date, boolean forSnapshotTimestamp) {
        // logic from metadata.mdo, class "Versioning"

		currTime.Format(yyyymmdd),
		globalMinioDefaultRegion,
		string(serviceS3),
		"aws4_request",
	}, SlashSeparator)

	stringToSign := "AWS4-HMAC-SHA256" + "\n" + currTime.Format(iso8601Format) + "\n"
	stringToSign += scope + "\n"
	stringToSign += getSHA256Hash([]byte(canonicalRequest))

	date := sumHMAC([]byte("AWS4"+secretKey), []byte(currTime.Format(yyyymmdd)))

      <fields>
        <field>
          <name>timestamp</name>
          <version>1.0.0+</version>
          <description>The timestamp when this version was deployed. The timestamp is expressed using UTC in the format yyyyMMdd.HHmmss.</description>
          <type>String</type>
        </field>
        <field>
          <name>buildNumber</name>
          <version>1.0.0+</version>

	},
	ErrCredMalformed: {
		Code:           "AuthorizationQueryParametersError",
		Description:    "Error parsing the X-Amz-Credential parameter; the Credential is mal-formed; expecting \"<YOUR-AKID>/YYYYMMDD/REGION/SERVICE/aws4_request\".",
		HTTPStatusCode: http.StatusBadRequest,
	},
	ErrMalformedDate: {
		Code:           "MalformedDate",

		"User-Agent":                   []string{"A malicious request"},
		"X-Amz-Decoded-Content-Length": []string{"8"},
		"Content-Encoding":             []string{"aws-chunked"},