/**
 * Heuristic column mapping: match CSV headers to StandardField using synonym dictionary.
 */
import type { UniversalMapping } from './types';
export interface InferResult {
    mapping: UniversalMapping;
    confidence: number;
}
/**
 * Infer which CSV column maps to each standard field.
 * Optionally validates quantity/price columns have numeric sample values.
 */
export declare function inferColumnMapping(headers: string[], sampleRows: Record<string, string>[], _options?: {
    validateNumeric?: boolean;
}): InferResult;