// Copyright © 2022-2026 Partium, Inc. DBA Partium
import { BaseService } from "./base.service";
import { Observable } from "rxjs";
import { ServiceProvider } from "./service-provider";
/**
 * Service that provides functionality for contacting the Status-Backend to check
 * the current status of the Partium-Backend and if the SDKs version is compatible
 * with the Backend.
 */
export declare class BackendStatusService extends BaseService {
    private httpsClientService;
    private deviceStatusService;
    private statusEndpoint;
    private connectivityCheckFallback;
    private appVersion;
    private language;
    private timeout;
    constructor(serviceProvider: ServiceProvider);
    onCreate(): void;
    /**
     * Initializes the status service
     *
     * @param appVersion The version of the current application
     * @param language The desired language of the response message
     * @param statusEndpoint The status service to check for planned downtimes, availability and compatibilitiy
     * @param connectivityCheckFallback The endpoint that should be invoked to thest if an internet connection is available. This is example.com as default
     * @param timeout The timeout in milliseconds, used by all http requests. It defaults to 3 seconds
     */
    init(appVersion: string, language: string, statusEndpoint: string, connectivityCheckFallback?: string, timeout?: number): void;
    /**
     * Check the compatibility of the app and the backend.
     * Resolves if compatible, throws error if incompatible.
     * Displays according error to the user if incompatible.
     */
    checkCompatibility(): Observable<unknown>;
    /**
     * Check the availability of the backend.
     * Resolves if compatible, throws error if incompatible.
     * Displays according error to the user if incompatible.
     */
    checkAvailability(): Observable<unknown>;
    /**
     * Checks the configuration
     */
    private validateConfiguration;
}