import { BlockID } from "./block-id";
import { BlockHeader } from "./block-header";
/**
 *
 *
 * @class BlockMeta
 */
export declare class BlockMeta {
    /**
     *
     * Creates a BlockMeta object using a JSON string
     * @param {String} json - JSON string.
     * @returns {BlockMeta} - BlockMeta object.
     * @memberof BlockMeta
     */
    static fromJSON(json: string): BlockMeta;
    readonly blockID: BlockID;
    readonly header: BlockHeader;
    /**
     * BlockMeta.
     * @constructor
     * @param {BlockID} blockID - BlockMeta block_id.
     * @param {BlockHeader} header - Block header.
     */
    constructor(blockID: BlockID, header: BlockHeader);
    /**
     *
     * Creates a JSON object with the BlockMeta properties
     * @returns {JSON} - JSON Object.
     * @memberof BlockMeta
     */
    toJSON(): {
        block_id: {
            hash: string;
            parts: {
                hash: string;
                total: number;
            };
        };
        header: {
            app_hash: string;
            chain_id: string;
            consensus_hash: string;
            data_hash: string;
            evidence_hash: string;
            height: number;
            last_block_id: {
                hash: string;
                parts: {
                    hash: string;
                    total: number;
                };
            };
            last_commit_hash: string;
            last_results_hash: string;
            next_validators_hash: string;
            num_txs: number;
            proposer_address: string;
            time: string;
            total_txs: number;
            validators_hash: string;
        };
    };
    /**
     *
     * Check if the BlockMeta object is valid
     * @returns {boolean} - True or false.
     * @memberof BlockMeta
     */
    isValid(): boolean;
}