export declare class LsData {
    private static readonly SENSOR_ID_S10;
    private static readonly SENSOR_ID_S524;
    /**
     * The token used to connect to the Socket.IO and API servers.
     */
    readonly accessToken: string;
    /**
     * The unique key that is used to identify store data.
     */
    readonly idKey: string;
    /**
     * Extra sensor IDs that should be included in the API requests.
     */
    readonly sensorIds: string;
    /**
     * The URL for the API endpoint.
     */
    readonly apiUrl = "https://api-gcp-prod.liftstatus.nl";
    /**
     * Global locale for all components in this installation (`nl` or `en`).
     */
    readonly language?: string;
    syncStoreLocaleFromLanguage(newLanguage?: string): void;
    private store;
    /**
     * The computed idKey used for the store. Cached to allow cleanup in disconnectedCallback.
     */
    private computedIdKey;
    /**
     * The list of relevant sensors that is used when performing API requests.
     */
    private readonly availableSensorIds;
    /**
     * The ID of the connection with the socket server.
     * Currently not in use. Can be used in the future to distinguish between multiple installations.
     */
    private socketId;
    /**
     * Reference of the connection with the socket server.
     */
    private socket;
    componentWillLoad(): Promise<void>;
    /**
     * Checks for valid access token and decodes it
     * @param accessToken
     * @returns \{ valid: true, objectId, objectType \} if the token is valid
     * @returns \{ valid: false \}  if the token is invalid
     */
    private decodeAccessToken;
    /**
     * This function checks if the elevator has a back door.
     * It does this by checking for activity on sensor 517 for the past week.
     */
    private checkHasBackdoor;
    /**
     * This function retrieves historical data from the API server for a specified amount of time.
     * @param {string} fromTS A formatted Day.js object.
     * @param {string} toTS A formatted Day.js object.
     */
    private getHistoricalData;
    private connectToSocketServer;
    private listenForSensorUpdates;
    private getCurrentDataFromHistorical;
    private throwError;
    private resetError;
    private closeSocketConnection;
    disconnectedCallback(): void;
}