export interface PinnerState {
    knownNames: string[];
    tips: Record<string, string>;
    /** Maps ipnsName → appId for re-announcing. */
    nameToAppId?: Record<string, string>;
    /** Last activity timestamp per doc (ms epoch). */
    lastSeenAt?: Record<string, number>;
}
export declare function loadState(path: string): Promise<PinnerState>;
export declare function saveState(path: string, state: PinnerState): Promise<void>;
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