import type { AxiosResponse } from "axios";
import BigNumber from "bignumber.js";
import type { FundResponse } from "./types";
import Utils from "./utils";
export declare class Fund {
    protected utils: Utils;
    constructor(utils: Utils);
    /**
     * Function to Fund (send funds to) a Irys node - inherits instance token and node
     * @param amount - amount in base units to send
     * @param multiplier - network tx fee multiplier - only works for specific currencies
     * @returns  - funding receipt
     */
    fund(amount: BigNumber.Value, multiplier?: number): Promise<FundResponse>;
    private submitTransaction;
    submitFundTransaction(transactionId: string): Promise<AxiosResponse>;
}
export default Fund;