import { Context } from 'koishi';
import type { AgenticMemorySnapshotItem, MemoryScope, MemorySnapshotRecord } from '../../contracts/memory';
import type { SnapshotRepository } from '../../contracts/workflows';
import type { LivingMemoryTransact } from './types';
export declare class LivingMemorySnapshotRepository implements SnapshotRepository {
    private readonly ctx;
    private readonly transact;
    constructor(ctx: Context, transact: LivingMemoryTransact);
    /**
     * 已移除的 embedding-rerank 策略只存记忆 id 引用、不带 finalText；
     * 策略列已不在模型中，只能按快照项形状识别并删除，交给后续召回重建。
     */
    removeLegacyReferenceSnapshots(): Promise<number>;
    getLatestSnapshotByScope(scope: Pick<MemoryScope, 'presetId' | 'conversationId'>): Promise<MemorySnapshotRecord>;
    listSnapshotsByPreset(presetId: string): Promise<MemorySnapshotRecord[]>;
    upsertSnapshot(scope: MemoryScope, query: string, items: AgenticMemorySnapshotItem[]): Promise<void>;
    private loadSortedSnapshotsByScope;
    deleteSnapshot(snapshotId: string): Promise<MemorySnapshotRecord | undefined>;
    deleteSnapshotsByConversation(conversationId: string): Promise<MemorySnapshotRecord[]>;
    deleteSnapshotsByPreset(presetId: string): Promise<void>;
}