import type { Lang, Report } from '../types/index.js';
export interface ComparabilityWarning {
    code: string;
    severity: 'warning';
    zh: string;
    en: string;
}
export declare function reportComparabilityWarnings(report: Report): ComparabilityWarning[];
export declare function crossReportComparabilityWarnings(before: Report, after: Report): ComparabilityWarning[];
export declare function formatComparabilityWarnings(warnings: ComparabilityWarning[], lang?: Lang): string;