export interface HibpPolicy {
    enabled: boolean;
    enforce: boolean;
    block_threshold: number;
}
export declare function getCachedPolicy(): HibpPolicy | null;
export declare function setCachedPolicy(policy: HibpPolicy): void;
export declare function clearCachedPolicy(): void;
/**
 * Fetch the HIBP policy from the server (`GET /config`). Result is
 * memoized in the in-process cache for the lifetime of the app — call
 * once at startup (typically from `<AuthProvider onBeforeCheckAuth>`).
 * Server-unreachable falls back to `DEFAULT_POLICY` so the caller is
 * never blocked.
 */
export declare function fetchHibpPolicy(): Promise<HibpPolicy>;
/**
 * Synchronous view of the cached policy. Returns the default when
 * `fetchHibpPolicy` hasn't completed yet; suitable for render-time
 * gating where blocking is unacceptable.
 */
export declare function getHibpPolicy(): HibpPolicy;
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