import { CID } from "multiformats/cid";
export interface SnapshotRecord {
    cid: string;
    ts: number;
}
export interface HistoryEntry {
    tip: SnapshotRecord | null;
    snapshots: SnapshotRecord[];
}
export interface RetentionConfig {
    fullResolutionMs: number;
    hourlyRetentionMs: number;
    dailyRetentionMs: number;
}
export interface HistoryTracker {
    add(ipnsName: string, cid: CID, ts: number): void;
    prune(now?: number): CID[];
    thinSnapshots(ipnsName: string, config: RetentionConfig, now?: number): CID[];
    getTip(ipnsName: string): string | null;
    getHistory(ipnsName: string): SnapshotRecord[];
    getEntry(ipnsName: string): HistoryEntry | undefined;
    allNames(): string[];
    toJSON(): Record<string, HistoryEntry>;
    loadJSON(data: Record<string, HistoryEntry>): void;
}
export declare function createHistoryTracker(retentionMs?: number): HistoryTracker;
//# sourceMappingURL=history.d.ts.map