import type { RankedSource, ScoredMemory, Memory } from '../types/index.js';
import type { SQLiteStore } from '../storage/sqlite.js';
/**
 * Merge results from semantic search, graph traversal, and recent memories.
 * Deduplicates by memory ID, applies scope boosting, and truncates to token budget.
 */
export declare function mergeAndRank(semanticResults: ScoredMemory[], graphMemories: Array<{
    id: string;
    content: string;
    score: number;
}>, recentMemories: Memory[], currentProject: string | null, relatedProjects?: string[], maxTokens?: number, sqlite?: SQLiteStore): {
    ranked: RankedSource[];
    truncated: boolean;
};
/**
 * Format ranked results into a coherent context block.
 */
export declare function formatContext(ranked: RankedSource[]): string;
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