import { Bitcoind } from '../../types';
type GetBestBlockHashParams = {
    bitcoind: Bitcoind;
};
/**
 * getbestblockhash
 *
 * Returns the hash of the best (tip) block in the most-work fully-validated chain.
 *
 */
export declare function getBestBlockHash(params: GetBestBlockHashParams): Promise<any>;
export {};