import { Signer } from "ethers";
import { Provider } from "@ethersproject/providers";
import { IDataTokenHub } from "./contracts";
import { Chain, ChainId } from "./types";
export declare class DataTokenHub {
    chain: Chain;
    signer?: Signer;
    instance: IDataTokenHub;
    constructor({ chainId, signer, provider, }: {
        chainId: ChainId;
        signer?: Signer;
        provider?: Provider;
    });
    whitelistDataTokenFactory(dataTokenFactory: string): Promise<import("ethers").ContractReceipt>;
    setGovernor(governor: string): Promise<import("ethers").ContractReceipt>;
    getVersion(): Promise<string>;
    getGovernor(): Promise<string>;
    isDataTokenRegistered(dataToken: string): Promise<boolean>;
    isDataTokenFactoryWhitelisted(dataTokenFactory: string): Promise<boolean>;
}