import type { Client } from '../../clients/createClient.js';
import type { Transport } from '../../clients/transports/createTransport.js';
import type { Chain } from '../../types/chain.js';
import type { BLOCK_HASH, BLOCK_NUMBER } from '../../types/components.js';
export type GetBlockHashAndNumberParameters = undefined;
export type GetBlockHashAndNumberReturnTypes = {
    block_hash: BLOCK_HASH;
    block_number: BLOCK_NUMBER;
};
export type GetBlockHashAndNumberErrorType = any;
export declare function getBlockHashAndNumber<TChain extends Chain | undefined>(client: Client<Transport, TChain>): Promise<GetBlockHashAndNumberReturnTypes>;
//# sourceMappingURL=getBlockHashAndNumber.d.ts.map