import { OldSpecsBundle, OldTypesBundle } from './old/types';
export declare function getOldTypesBundle(chain: string): OldTypesBundle | undefined;
export declare function readOldTypesBundle(file: string): OldTypesBundle | OldSpecsBundle;
export declare class OldTypesBundleError extends Error {
}
//# sourceMappingURL=io.d.ts.map