val ConeKotlinType.candidateClassId: ClassId?
        get() {
            return when (this) {
                is ConeErrorType -> when (val diagnostic = this.diagnostic) {
                    // Tolerate code that misses type parameters while shortening it.
                    is ConeUnmatchedTypeArgumentsError -> diagnostic.symbol.classId
                    else -> null
                }

	queryValue := url.Values{}
	queryValue.Set("uploadId", uploadID)
	return makeTestTargetURL(endPoint, bucketName, objectName, queryValue)
}

// return URL for listen bucket notification.
func getListenNotificationURL(endPoint, bucketName string, prefixes, suffixes, events []string) string {
	queryValue := url.Values{}

	queryValue["prefix"] = prefixes