import type { ExtendedViemClient } from '../../../client.js';
import type { Provider } from '../transports/index.js';
/**
 * Gets the estimated production time of a block
 *
 * @param client - Extended Viem client
 * @param params - Parameters for {@link sol_getBlockTime}
 * @returns Promise resolving to block time information
 */
export declare function getBlockTime(client: ExtendedViemClient, ...params: Parameters<Provider['sol_getBlockTime']>): Promise<import("@solana/rpc-types").UnixTimestamp>;