import type { FrozenCard } from '../core/types.js';
/** Load frozen cards for a session. Returns a Map<nonce, FrozenCard>. */
export declare function loadFrozenCards(sessionId: string): Map<string, FrozenCard>;
/** Save frozen cards for a session to disk. */
export declare function saveFrozenCards(sessionId: string, cards: Map<string, FrozenCard>): void;
/** Delete frozen cards file for a session (called on session close). */
export declare function deleteFrozenCards(sessionId: string): void;
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