export declare type Fee = {
    amount: string;
    denom: string;
};
export declare type Signature = {
    pub_key: string;
    signature: string;
};
/**
 *
 *
 * @class StdTxModel
 */
export declare class StdTxModel {
    /**
     *
     * Creates a StdTxModel object using a JSON string
     * @param {string} json - JSON string.
     * @returns {StdTxModel} - StdTxModel object.
     * @memberof StdTxModel
     */
    static fromJSON(json: string): StdTxModel;
    readonly entropy: number;
    readonly fee: Fee;
    readonly memo: string;
    readonly msg: any;
    readonly signature: Signature;
    /**
     * StdTxModel.
     * @constructor
     * @param {number} entropy - Entropy.
     * @param {Fee} fee - Fee.
     * @param {Msg} msg - Msg.
     * @param {Signature} signature - signature.
     */
    constructor(entropy: number, fee: Fee, memo: string, msg: any, signature: Signature);
    /**
     *
     * Creates a JSON object with the StdTxModel properties
     * @returns {JSON} - JSON Object.
     * @memberof StdTxModel
     */
    toJSON(): {
        entropy: number;
        fee: Fee;
        memo: string;
        msg: any;
        signature: Signature;
    };
    /**
     *
     * Check if the StdTxModel object is valid
     * @returns {boolean} - True or false.
     * @memberof StdTxModel
     */
    isValid(): boolean;
}