if err != nil {
		return err
	}

	// Version in policy must not be empty
	if sessionPolicy.Version == "" {
		return errors.New("Version cannot be empty expecting '2012-10-17'")
	}

	policyBuf, err := json.Marshal(sessionPolicy)
	if err != nil {
		return err
	}

	// https://docs.aws.amazon.com/STS/latest/APIReference/API_AssumeRoleWithWebIdentity.html

		// Either both have to be files or directories.
		// Expecting to fail with `errFileAccessDenied`.
		{
			srcVol:      "src-vol",
			destVol:     "dest-vol",
			srcPath:     "file4",
			destPath:    "new-path/",
			expectedErr: errFileAccessDenied,
		},
		// TestXLStorage case - 10.
		// TestXLStorage case with non-existent source volume.
		// Expecting to fail with `errVolumeNotFound`.
		{

	}
	if region := globalSite.Region(); region != "" {
		if errCode == ErrAuthorizationHeaderMalformed {
			apiErr.Description = fmt.Sprintf("The authorization header is malformed; the region is wrong; expecting '%s'.", region)
			return apiErr
		}
	}
	return apiErr
}

func (e errorCodeMap) ToAPIErr(errCode APIErrorCode) APIError {
	return e.ToAPIErrWithErr(errCode, nil)
}

	PreserveETag                        string    // preserves this etag during a PUT call.
	NoLock                              bool      // indicates to lower layers if the caller is expecting to hold locks.
	HasIfMatch                          bool      // indicates if the request has If-Match header
	ProxyRequest                        bool      // only set for GET/HEAD in active-active replication scenario

	}

	switch err.Code {
	case "InvalidRegion":
		err.Description = fmt.Sprintf("Region does not match; expecting '%s'.", globalSite.Region())
	case "AuthorizationHeaderMalformed":
		err.Description = fmt.Sprintf("The authorization header is malformed; the region is wrong; expecting '%s'.", globalSite.Region())
	}

	// Similar check to http.checkWriteHeaderCode

	signedHeaders := []string{"host", "x-amz-content-sha256", "x-amz-date", "transfer-encoding"}

	// If the `expect` key exists in the signed headers then golang server would have stripped out the value, expecting the `expect` header set to `100-continue` in the result.
	signedHeaders = append(signedHeaders, "expect")
	// expected header values.
	expectedHost := "play.min.io:9000"
	expectedContentSha256 := "1234abcd"

			expectedRespStatus: http.StatusBadRequest,
		},

		// Test case - 8.
		// Test case with non-existent source file.
		// Case for the purpose of failing `api.ObjectAPI.GetObjectInfo`.
		// Expecting the response status code to http.StatusNotFound (404).
		{
			bucketName:       bucketName,
			uploadID:         uploadID,

			if currentDisk := s.erasureDisks[setIndex][diskIndex]; currentDisk != nil {
				if !reflect.DeepEqual(currentDisk.Endpoint(), disk.Endpoint()) {
					err = fmt.Errorf("Detected unexpected drive ordering refusing to use the drive: expecting %s, found %s, refusing to use the drive",
						currentDisk.Endpoint(), disk.Endpoint())
					printEndpointError(endpoint, err, false)
					disk.Close()
					s.erasureDisksMu.Unlock()
					return
				}

		// request of this kind
		//
		// GET /testbucket/?list-type=2&delimiter=%2F&max-keys=2&prefix=parquet%2F_SUCCESS%2F&fetch-owner=false
		//
		// Here spark is expecting that the List() return empty instead, so from MinIO's point
		// of view if we simply do a GetObjectInfo() on this prefix by treating it as an object
		// We save a lot of calls over the network.
		//

		}

		if peer.DefaultBandwidth.IsSet {
			if peer.DeploymentID == globalDeploymentID() {
				return madmin.ReplicateEditStatus{}, errSRInvalidRequest(fmt.Errorf("invalid deployment id specified: expecting a peer deployment-id to be specified for restricting bandwidth from %s, found self %s", peer.Name, globalDeploymentID()))
			}
			pi.DefaultBandwidth = peer.DefaultBandwidth
			pi.DefaultBandwidth.UpdatedAt = UTCNow()