import { Observable } from 'rxjs';
import { AuthSession, WebSessionStart } from './models/session.model';
/**
 * The one Telegram QR/session API (`{authApiUrl}/users/sessions`). Customer
 * login (AuthService) and admin login (AdminAuthService) both call this same
 * service against this same endpoint - there is no separate admin backend.
 * This class only does the HTTP call + response normalization; it holds no
 * session state and writes no cookies, so each caller manages its own
 * storage/signals independently on top of it.
 */
export declare class TelegramSessionApiService {
    private readonly http;
    private readonly authApiUrl;
    private readonly telegramBotUsername;
    createSession(): Observable<WebSessionStart>;
    checkSessionOnce(webSessionID: string | null): Observable<AuthSession | null>;
    logout(webSessionID: string): Observable<unknown>;
    getBotLoginUrl(webSessionID: string): string;
    getBotAppLoginUrl(webSessionID: string): string;
    private getBotUsername;
    private normalizeWebSession;
    private extractSessionId;
    private readFirst;
    private readString;
    private readNumber;
    private asRecord;
    private isActiveStatus;
}