import type { DurableSeriesState, TaskEvent } from './types.js';
/**
 * Minimal JSON canonicalization used by the hot/cold storage protocol.
 *
 * Objects are recursively key-sorted and numbers are normalized by numeric
 * value, so digests do not depend on JavaScript object insertion order or on
 * insignificant JSON number formatting.
 */
export declare function canonicalJson(value: unknown): string;
export declare function archiveEventRecord(event: TaskEvent): string;
export declare function durableSeriesStateRecord(state: DurableSeriesState): string;
export declare function sha256Hex(value: string): Promise<string>;
export declare function computeArchiveBatchDigest(previousBatchDigest: string | null, events: readonly TaskEvent[], seriesLatest: readonly DurableSeriesState[]): Promise<string>;
export declare function computeArchiveSourcePageDigest(events: readonly TaskEvent[]): Promise<string>;
export declare function computeArchiveSourceDigest(pageDigests: readonly string[]): Promise<string>;
export declare function computeSeriesStateDigest(seriesLatest: readonly DurableSeriesState[]): Promise<string>;
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