/**
 * Edit History Tracking
 *
 * Append-only audit log for knowledge entry edits.
 * Records who changed what, when, and why — with a snapshot
 * of the previous state for diffing.
 */
import type { KnowledgeEntry, KnowledgeEntryEdit } from '../types.ts';
/**
 * Log an edit to a knowledge entry.
 *
 * Compares the previous and updated entries to determine which fields changed,
 * then stores an edit record with the previous snapshot.
 *
 * @param entryId - ID of the entry that was edited
 * @param previous - The entry state before the edit
 * @param updated - The entry state after the edit
 * @param editedBy - Username of who made the edit
 * @param editSummary - Optional description of what changed and why
 * @returns The created edit record
 */
export declare function logEdit(kbId: string, entryId: string, previous: KnowledgeEntry, updated: KnowledgeEntry, editedBy: string, editSummary?: string): Promise<KnowledgeEntryEdit>;
/**
 * Get the edit history for a knowledge entry, newest first.
 *
 * @param entryId - ID of the entry to get history for
 * @param limit - Maximum number of edits to return (default 50)
 * @returns Array of edit records, newest first
 */
export declare function getHistory(entryId: string, limit?: number): Promise<KnowledgeEntryEdit[]>;
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