export declare class PolyfillSet {
    type: 'esm' | 'commonjs';
    name: string;
    map: Map<string, string>;
    constructor(type: 'esm' | 'commonjs', name: string);
    addFile(f: string, sources: Set<string>): void;
}
declare const polyfills: Map<string, PolyfillSet>;
export default polyfills;
//# sourceMappingURL=polyfills.d.ts.map