export declare function loadSetting(key: string, fallback: boolean): Promise<boolean>;
export declare function saveSetting(key: string, value: boolean): Promise<void>;
/**
 * Same storage backend as load/saveSetting (SecureStore native,
 * localStorage web) but for arbitrary JSON-serializable values instead
 * of only booleans — e.g. an ordered list of ids, or a per-id map.
 * `fallback` covers both "never saved" and "saved value doesn't parse"
 * (a corrupt/edited-by-hand entry shouldn't crash the caller).
 */
export declare function loadJsonSetting<T>(key: string, fallback: T): Promise<T>;
export declare function saveJsonSetting<T>(key: string, value: T): Promise<void>;
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