import type { ArkmeServiceConfig } from './service.js';
export declare function deviceControlRealtimeOrigin(config: Pick<ArkmeServiceConfig, 'environment' | 'dshRemoteRealtimeBaseUrl'>): string;
/** Only account-scoped hints cross this transport; every hint triggers an owner snapshot read. */
export declare class DeviceControlRealtime {
    private readonly origin;
    private readonly changed;
    private socket;
    private identity;
    private retryAt;
    private timer;
    private registrationTimer;
    private retryIdentity;
    private active;
    get connected(): boolean;
    constructor(origin: string | undefined, changed: () => void);
    connect(userId: number, sessionId: string, accessToken: string): void;
    close(): void;
}
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