import { Bitcoind } from '../../types';
type GetNetworkHashPsParams = {
    bitcoind: Bitcoind;
    nblocks?: number;
    height?: number;
};
/**
 * getnetworkhashps ( nblocks height )
 *
 * Returns the estimated network hashes per second based on the last n blocks.
 * Pass in [blocks] to override # of blocks, -1 specifies since last difficulty change.
 * Pass in [height] to estimate the network speed at the time when a certain block was found.
 *
 */
export declare function getNetworkHashPs(params: GetNetworkHashPsParams): Promise<any>;
export {};