/**
 * @nahisaho/musubix-codegraph - GraphRAG Search
 *
 * Graph-based retrieval augmented generation search
 *
 * @see REQ-CG-RAG-001 - Community detection
 * @see REQ-CG-RAG-002 - Global search
 * @see REQ-CG-RAG-003 - Local search
 * @see DES-CG-005
 * @see TSK-CG-040
 */
import type { SearchResult, Community, GraphRAGOptions, GlobalSearchOptions, LocalSearchOptions } from '../types.js';
import type { GraphEngine } from '../graph/index.js';
/**
 * GraphRAG Search Engine
 *
 * Implements Microsoft's GraphRAG approach for code understanding:
 * - Community detection via Leiden algorithm
 * - Hierarchical summaries for global queries
 * - Local context retrieval for specific queries
 */
export declare class GraphRAGSearch {
    private graph;
    private _options;
    private communities;
    private entityCommunityMap;
    constructor(graph: GraphEngine, options?: Partial<GraphRAGOptions>);
    /**
     * Get current options
     */
    getOptions(): Required<GraphRAGOptions>;
    /**
     * Detect communities in the code graph
     *
     * Uses a simplified Leiden-inspired algorithm for code communities
     */
    detectCommunities(): Promise<Community[]>;
    /**
     * Generate community summary
     */
    generateCommunitySummary(communityId: string): Promise<string>;
    /**
     * Global search across all communities
     *
     * Searches community summaries for high-level understanding
     */
    globalSearch(query: string, options?: GlobalSearchOptions): Promise<SearchResult[]>;
    /**
     * Local search in entity neighborhood
     *
     * Searches within a specific entity's local context
     */
    localSearch(entityName: string, options?: LocalSearchOptions): Promise<SearchResult[]>;
    /**
     * Collect neighbors within radius
     */
    private collectNeighbors;
    /**
     * Get all communities
     */
    getCommunities(): Community[];
    /**
     * Get community for entity
     */
    getCommunityForEntity(entityId: string): Community | undefined;
}
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