/** Browser-local Demo mode state.
 *
 * Demo mode is a presentation preference for this browser only. It must not
 * be persisted in application state or consulted by backend actions.
 */
export declare const DEMO_MODE_STORAGE_KEY = "agent-native:demo-mode";
export declare function getBrowserDemoModeEnabled(): boolean;
export declare function setBrowserDemoModeEnabled(enabled: boolean): void;
export declare function subscribeToBrowserDemoMode(callback: () => void): () => void;
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