import type { MiddlewareClient } from "../actions.js";
import type { ClientMiddlewareFn } from "../types.js";
/**
 * Description default gas estimator middleware for `SmartAccountClient`
 * You can override this middleware with your custom gas estimator middleware
 * by passing it to the client constructor
 *
 * @param {MiddlewareClient} client smart account client instance to apply the middleware to
 * @returns {ClientMiddlewareFn} middleware execution function used to estimate gas for user operations
 */
export declare const defaultGasEstimator: <C extends MiddlewareClient>(client: C) => ClientMiddlewareFn;