/**
 * @typedef {Object} SubTxTopupPayloadJSON
 * @property {number} version
 * @property {string} regTxHash
 */
export type SubTxTopupPayloadJSON = {
    version: number;
    regTxHash: string;
};

/**
 * @class SubTxTopupPayload
 * @property {number} version
 * @property {string} regTxHash
 */
export class SubTxTopupPayload {
    /**
     * Parse raw transition payload
     * @param {Buffer} rawPayload
     * @return {SubTxTopupPayload}
     */
    static fromBuffer(rawPayload: Buffer): SubTxTopupPayload;

    /**
     * Create new instance of payload from JSON
     * @param {string|SubTxTopupPayloadJSON} payloadJson
     * @return {SubTxTopupPayload}
     */
    static fromJSON(payloadJson: string | SubTxTopupPayloadJSON): SubTxTopupPayload;

    /**
     * Validates payload data
     * @return {boolean}
     */
    validate(): boolean;

    /**
     * Serializes payload to JSON
     * @return {SubTxTopupPayload}
     */
    toJSON(): SubTxTopupPayload;

    /**
     * Serialize payload to buffer
     * @return {Buffer}
     */
    toBuffer(): Buffer;

    /**
     * Copy payload instance
     * @return {SubTxTopupPayload}
     */
    copy(): SubTxTopupPayload;

    /**
     * @param {string} regTxHash
     * @return {SubTxTopupPayload}
     */
    setRegTxHash(regTxHash: string): SubTxTopupPayload;

    version: number;
    regTxHash: string;
}