import type { Injector } from 'graphql-modules';
import { DocumentType } from '../../../shared/enums.js';
import type { AggregatedTransaction, DocumentCharge, MatchScore, TransactionCharge } from '../types.js';
/**
 * Select appropriate transaction date based on document type
 * Per specification:
 * - INVOICE/CREDIT_INVOICE: Use event_date
 * - RECEIPT/INVOICE_RECEIPT: Use debit_date (debit_timestamp or debit_date)
 * - OTHER/PROFORMA/UNPROCESSED: Calculate both and use better score
 *
 * @param transaction - Aggregated transaction data
 * @param documentType - Document type being matched
 * @returns The date to use for matching
 */
export declare function selectTransactionDate(transaction: AggregatedTransaction, documentType: DocumentType): Date;
/**
 * Score a potential match between transaction charge and document charge
 * Aggregates data from both charges and calculates confidence score
 *
 * @param txCharge - Transaction charge to match
 * @param docCharge - Document charge candidate
 * @param userId - Current user UUID for business extraction
 * @param injector - Optional GraphQL modules injector for provider access (for client matching)
 * @returns Match score with confidence and component breakdown
 * @throws Error if aggregation fails (mixed currencies, multiple businesses, etc.)
 */
export declare function scoreMatch(txCharge: TransactionCharge, docCharge: DocumentCharge, userId: string, injector: Injector): Promise<MatchScore>;