import { Logger } from '../../utils/logger';
export declare class RetrievalService {
    private logger;
    private projectRoot;
    private vectorStore;
    private embeddingService;
    private reranker;
    private chunker;
    private stateManager;
    private queryCache;
    constructor(logger: Logger, projectRoot: string);
    /**
     * incrementally index the project.
     * Checks filestamps to avoid re-embedding unchanged files.
     */
    indexProject(): Promise<void>;
    /**
     * Retrieve relevant context for a specific query.
     */
    retrieveContext(query: string, limit?: number): Promise<string>;
    /**
     * Retrieves "Conceptual" context by prioritizing Markdown files and Glossary terms.
     * Useful for high-level documentation where code details are distractions.
     */
    retrieveConceptualContext(query: string, limit?: number): Promise<string>;
}
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