/**
 * Consolidation Service Interface.
 *
 * Defines the contract for consolidating duplicate or related memory facts.
 * Supports merging facts into a single retained fact, archiving duplicates,
 * or keeping all facts unchanged.
 *
 * Part of Phase 5C: Curation & Compaction.
 */
/**
 * Action to take when consolidating facts.
 */
export type ConsolidationAction = 'merge' | 'archive-duplicates' | 'keep-all';
/**
 * All valid consolidation actions.
 */
export declare const CONSOLIDATION_ACTION_VALUES: readonly ConsolidationAction[];
/**
 * Result of a consolidation operation.
 */
export interface IConsolidationResult {
    /** The action that was performed */
    readonly action: ConsolidationAction;
    /** UUID of the retained (or newly created) fact */
    readonly retainedUuid: string;
    /** UUIDs of facts that were archived (expired) */
    readonly archivedUuids: readonly string[];
    /** Number of supersedes relationships created */
    readonly relationshipsCreated: number;
}
/**
 * Options for consolidation.
 */
export interface IConsolidationOptions {
    /** UUID of the fact to keep (for archive-duplicates). Defaults to newest. */
    retainUuid?: string;
    /** Merged text for the new fact (for merge action). */
    mergedText?: string;
}
/**
 * Consolidation service interface.
 *
 * Provides operations for consolidating duplicate or related facts.
 *
 * Note: Group IDs are no longer used - the git repo provides scoping via git-mem.
 */
export interface IConsolidationService {
    /**
     * Consolidate a set of facts.
     *
     * Actions:
     * - `merge`: Create new fact with mergedText, expire all originals,
     *   create supersedes relationships from new fact to each original
     * - `archive-duplicates`: Keep the fact with retainUuid (or newest),
     *   expire the rest, create supersedes relationships
     * - `keep-all`: No-op, return empty result
     *
     * @param factUuids - UUIDs of facts to consolidate (minimum 2)
     * @param action - Consolidation action to perform
     * @param options - Additional options (retainUuid, mergedText)
     * @throws Error if fewer than 2 UUIDs provided
     * @throws Error if retainUuid is not in the provided UUIDs
     */
    consolidate(factUuids: readonly string[], action: ConsolidationAction, options?: IConsolidationOptions): Promise<IConsolidationResult>;
}
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