import type { EntityRepository } from "../db/entities";
import type { ObservationRepository } from "../db/observations";
import type { SearchResult } from "../types";
/**
 * Augment base search results with observations discovered via entity graph traversal.
 * Finds entities mentioned in the query, traverses their relations, and appends
 * linked observations not already in the base results.
 */
export declare function graphAugmentedSearch(query: string, baseResults: SearchResult[], entityRepo: EntityRepository, observationRepo: ObservationRepository, limit: number): Promise<SearchResult[]>;
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