import { DataB } from "./DataB.js";
import { DataConstr } from "./DataConstr.js";
import { DataI } from "./DataI.js";
import { DataList } from "./DataList.js";
import { DataMap } from "./DataMap.js";
export type Data = DataConstr | DataMap<any, any> | DataList | DataI | DataB;
export declare function isData(something: any): something is Data;
export declare function eqData(a: Data, b: Data): boolean;
export declare function cloneData<D extends Data>(data: D): D;
/**
 * all data instances (from any version) will have a `toJson` method
 * this function will get back the data of this version if needed
**/
export declare function dataFromJson(json: {
    [x: string]: any;
}): Data;