import { Data } from "./Data.js";
/**
 * @deprecated
 */
export declare class DataPair<DataFst extends Data, DataSnd extends Data> {
    readonly fst: DataFst;
    readonly snd: DataSnd;
    constructor(fst: DataFst, snd: DataSnd);
    clone(): DataPair<DataFst, DataSnd>;
    toString(): string;
}