/**
 * Size-guide normalizer — accepts many input formats and returns a unified
 * { headers, rows, requiredFields } structure for deterministic sizing.
 */
import type { NormalizedSizeGuide } from "../types";
export interface NormalizeSizeGuideResult {
    success: boolean;
    data?: NormalizedSizeGuide;
    reason?: string;
}
export declare function normalizeSizeGuide(input: unknown): NormalizeSizeGuideResult;