import { Subject } from 'rxjs';
declare const MSG_AUTH_STATE_CHANGED = "authStateChange";
interface AuthStateChangedMessage {
    type: typeof MSG_AUTH_STATE_CHANGED;
    id: string | undefined;
}
export declare const authStateChangedInThisWindow$: Subject<true>;
export declare const authStateChangedInOtherWindow$: import("rxjs").Observable<AuthStateChangedMessage>;
export declare const broadcastAuthStateChanged: (userId: string | undefined) => void;
export {};
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