/**
 * KnowledgeListService — FR-W02 知识列表与搜索数据层
 *
 * AC1: 按类型、状态、来源、知识域筛选 + 分页
 * AC2: 分页控件数据（当前页、总页数、总条目数）
 * AC3: 快速搜索（关键词即时过滤）
 * AC4: 语义搜索结果（高亮片段 + 相关度评分）
 */
import type { StorageAdapter } from '../storage/storage-types.js';
import type { KnowledgeEntry } from '../types/index.js';
import type { KnowledgeListQuery, KnowledgeListResult, SemanticSearchResult } from './workbench-types.js';
export interface SemanticSearchProvider {
    search(query: string, limit: number): Promise<Array<{
        entry: KnowledgeEntry;
        score: number;
    }>>;
}
export interface KnowledgeListServiceDeps {
    storage: StorageAdapter;
    semanticSearch?: SemanticSearchProvider;
}
export declare class KnowledgeListService {
    private storage;
    private semanticSearch?;
    constructor(deps: KnowledgeListServiceDeps);
    /** AC1 + AC2 + AC3: 列表查询、分页、关键词过滤 */
    list(query: KnowledgeListQuery): Promise<KnowledgeListResult>;
    /** AC4: 语义搜索 */
    semanticSearchEntries(query: string, limit?: number): Promise<SemanticSearchResult[]>;
    private extractSnippet;
}
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