declare class PortalAuthorizationProvider {
    private _apiKey;
    private _sid;
    constructor({sid, apiKey}: {
        sid: string;
        apiKey: string;
    });
    updateSid(): Promise<void>;
    getAuthParams(): Promise<{
        "auth.sid": string;
        "api-key": string;
    }>;
    getAuthHeaders(): Promise<{
        Authorization: string;
        "X-Kontur-Apikey": string;
    }>;
}
export = PortalAuthorizationProvider;