/**
 *
 *
 * @class RequestHash
 */
import { RelayPayload } from "./relay-payload";
import { RelayMeta } from "./relay-meta";
export declare class RequestHash {
    /**
     *
     * Creates a RequestHash object using a JSON string
     * @param {string} json - JSON string.
     * @returns {RequestHash} - RequestHash object.
     * @memberof RequestHash
     */
    static fromJSON(json: string): RequestHash;
    readonly payload: RelayPayload;
    readonly meta: RelayMeta;
    /**
     * Request Hash.
     * @constructor
     * @param {RelayPayload} payload - RelayPayload object.
     * @param {RelayMeta} meta - RelayMeta object.
     */
    constructor(payload: RelayPayload, meta: RelayMeta);
    /**
     *
     * Creates a JSON object with the RequestHash properties
     * @returns {JSON} - JSON Object.
     * @memberof RelayMeta
     */
    toJSON(): {
        payload: {
            data: string;
            method: string; /**
             *
             * Check if the RequestHash object is valid
             * @returns {boolean} - True or false.
             * @memberof RequestHash
             */
            path: string;
            headers: Record<string, string> | null | undefined;
        };
        meta: {
            block_height: number;
        };
    };
    /**
     *
     * Check if the RequestHash object is valid
     * @returns {boolean} - True or false.
     * @memberof RequestHash
     */
    isValid(): boolean;
}