import type { ISearchPipeline, IVectorDatabase, IFullTextSearch, IResultMerger, IEmbeddingProvider } from "../../types/interfaces.js";
import type { SearchResult } from "../../types/index.js";
export declare class HybridSearchPipeline implements ISearchPipeline {
    private vectorDb;
    private fts;
    private merger;
    private embedding;
    private embeddingAvailableCache;
    private embeddingCacheTime;
    private readonly CACHE_TTL;
    constructor(vectorDb: IVectorDatabase, fts: IFullTextSearch, merger: IResultMerger, embedding: IEmbeddingProvider);
    private isEmbeddingAvailable;
    search(query: {
        vector?: Float32Array;
        text: string;
    }, options: {
        topK: number;
        scope?: string;
        tagsFilter?: string[];
        sideEffectsFilter?: string[];
    }): Promise<SearchResult[]>;
}
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