Description:    "A required parameter for the specified action is not supplied.",
		HTTPStatusCode: http.StatusBadRequest,
	},
	ErrSTSInvalidParameterValue: {
		Code:           "InvalidParameterValue",
		Description:    "An invalid or out-of-range value was supplied for the input parameter.",
		HTTPStatusCode: http.StatusBadRequest,
	},
	ErrSTSWebIdentityExpiredToken: {
		Code:           "ExpiredToken",

		HTTPStatusCode: http.StatusBadRequest,
	},
	ErrInvalidStorageClass: {
		Code:           "InvalidStorageClass",
		Description:    "Invalid storage class.",
		HTTPStatusCode: http.StatusBadRequest,
	},
	ErrInvalidRequestBody: {
		Code:           "InvalidArgument",
		Description:    "Body shouldn't be set for this request.",
		HTTPStatusCode: http.StatusBadRequest,
	},
	ErrInvalidMaxUploads: {

		Message:    "Tier name must be in uppercase",
		StatusCode: http.StatusBadRequest,
	}
	// error returned when remote tier bucket is not found
	errTierBucketNotFound = AdminError{
		Code:       "XMinioAdminTierBucketNotFound",
		Message:    "Remote tier bucket not found",
		StatusCode: http.StatusBadRequest,
	}
	// error returned when remote tier credentials are invalid.

		// Expecting StatusBadRequest (400).
		{
			bucketName:         bucketName,
			bucketPolicyReader: bytes.NewReader(fmt.Appendf(nil, bucketPolicyTemplate, bucketName, bucketName)),

			policyLen:          maxBucketPolicySize + 1,
			accessKey:          credentials.AccessKey,
			secretKey:          credentials.SecretKey,
			expectedRespStatus: http.StatusBadRequest,
		},
		// Test case - 3.

	for k, v := range h {
		if stringsHasPrefixFold(k, trim) {
			w.Header()[k[len(trim):]] = v
		}
	}
}

func fwdStatusToAPIError(statusCode int, resp *http.Response) *APIError {
	if statusCode < http.StatusBadRequest {
		return nil
	}
	desc := resp.Header.Get(xhttp.AmzFwdErrorMessage)
	if strings.TrimSpace(desc) == "" {
		apiErr := errorCodes.ToAPIErr(ErrInvalidRequest)
		return &apiErr
	}

		Code:       "XMinioAdminTierTypeUnsupported",
		Message:    "Specified tier type is unsupported",
		StatusCode: http.StatusBadRequest,
	}

	errTierBackendNotEmpty = AdminError{
		Code:       "XMinioAdminTierBackendNotEmpty",
		Message:    "Specified remote backend is not empty",
		StatusCode: http.StatusBadRequest,
	}

	errTierInvalidConfig = AdminError{
		Code:       "XMinioAdminTierInvalidConfig",

			Description:    "Unsupported batch expire API version",
			HTTPStatusCode: http.StatusBadRequest,
		}
	}

	if r.Bucket == "" {
		return batchExpireJobError{
			Code:           "InvalidArgument",
			Description:    "Bucket argument missing",
			HTTPStatusCode: http.StatusBadRequest,
		}
	}

	if _, err := o.GetBucketInfo(ctx, r.Bucket, BucketOptions{}); err != nil {

			secretKey:          "",
			malformedBody:      false,
		},
		// Bad case malformed input.
		{
			objectName:         "test",
			data:               []byte("Hello, World"),
			expectedRespStatus: http.StatusBadRequest,
			accessKey:          credentials.AccessKey,
			secretKey:          credentials.SecretKey,
			malformedBody:      true,
		},
	}

	for i, testCase := range testCasesV4 {

			expectedContent: encodeResponse(getAPIErrorResponse(ctx,
				getAPIError(ErrInvalidObjectName),
				getGetObjectURL("", bucketName, "../../etc"), "", "")),
			expectedRespStatus: http.StatusBadRequest,
		},
		// Test case - 8.
		// Case with strange components but returning error as not found.
		{
			bucketName: bucketName,
			objectName: ". ./. ./etc",
			byteRange:  "",

	code := w.StatusCode

	switch {
	case code == 0:
	case code == 499:
		// 499 is a good error, shall be counted as canceled.
		hstats.totalS3Canceled.Inc(api)
	case code >= http.StatusBadRequest:
		if code >= http.StatusInternalServerError {
			hstats.totalS35xxErrors.Inc(api)
		} else {
			hstats.totalS34xxErrors.Inc(api)
		}
	}

	bh.httpStats[bucket] = hstats
}