import { VectorStore } from '../types';
export declare class VectorStoreService {
    private static instance;
    private vectorStore;
    private lastInitPath;
    private constructor();
    static getInstance(): VectorStoreService;
    initialize(docsPath: string): Promise<VectorStore | null>;
    query(question: string, topK?: number): Promise<Array<{
        content: string;
        file: string;
        score: number;
    }>>;
    isReady(): boolean;
    reset(): void;
}
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