/**
 * Contract matching engine for NEXUS.
 *
 * Implements cascade matching: exact → name → fuzzy.
 * Uses BM25 for fuzzy matching (via SQLite FTS5).
 *
 * @task T1065 — Contract Registry
 */
import type { Contract, ContractMatch } from '@cleocode/contracts';
/**
 * Match contracts between two sets (A and B).
 *
 * Implements cascade: exact → name → fuzzy.
 * Each contract in A is matched to at most one contract in B.
 *
 * @param contractsA - Contracts from project A
 * @param contractsB - Contracts from project B
 * @returns Array of ContractMatch results
 */
export declare function matchContracts(contractsA: Contract[], contractsB: Contract[]): ContractMatch[];
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