/// <reference types="node" />
import { IAminoEncodable } from "./amino-encodable";
import { TxMsg } from "./msgs/tx-msg";
import { CoinDenom } from "./coin-denom";
/**
 * Model to represent a StdSignDoc which produces the bytes to sign for a given Transaction
 */
export declare class StdSignDoc implements IAminoEncodable {
    readonly entropy: string;
    readonly chainID: string;
    readonly msg: TxMsg;
    readonly fee: string;
    readonly feeDenom: CoinDenom;
    readonly memo: string;
    private readonly AMINO_TYPE;
    /**
     * Constructor for the StdSignDoc class
     * @throws {Error} Throws an error if the fee is not a number
     * @param {string} entropy - Random int64.
     * @param {string} chainId - The chainId of the network to be sent to
     * @param {string} fee - The amount to pay as a fee for executing this transaction
     * @param {CoinDenom | undefined} feeDenom - The denomination of the fee amount
     * @param {string | undefined} memo - The memo field for this account
     */
    constructor(entropy: string, chainID: string, msg: TxMsg, fee: string, feeDenom?: CoinDenom, memo?: string);
    /**
     * Marshals using Amino
     * @returns {Buffer} - Buffer representation of the class properties
     * @memberof StdSignDoc
     */
    marshalAmino(): Buffer;
}