import { SdkStatus } from '../models/models';
type StatusCallback = (status: SdkStatus) => void;
declare class StatusService {
    private currentStatus;
    private callbacks;
    private pollTimerId;
    private failTimeoutId;
    getStatus(): SdkStatus | undefined;
    setStatus(status: SdkStatus): void;
    registerCallback(cb: StatusCallback): string;
    deregisterCallback(id: string): void;
    /**
     * Start Desktop detection polling loop.
     *
     * @param detectFn async function that resolves if Desktop is found, rejects if not
     * @param interval ms between attempts
     * @param failTimeout ms before transitioning to FAILED or DEGRADED
     * @param onFallback optional callback invoked on timeout instead of FAILED/DEGRADED (e.g. to start Connect)
     */
    startPolling(detectFn: () => Promise<void>, interval: number, failTimeout: number, onFallback?: () => void): void;
    /**
     * Resume Desktop detection polling without resetting status or setting a fail timeout.
     * Used after a fallback decision (e.g. FAILED/DEGRADED) to continue detecting Desktop
     * in the background so a late launch can still transition to RUNNING.
     *
     * @param detectFn async function that resolves if Desktop is found, rejects if not
     * @param interval ms between attempts
     */
    resumePolling(detectFn: () => Promise<void>, interval: number): void;
    stopPolling(): void;
    reset(): void;
}
export declare const statusService: StatusService;
export {};