import { Address, Chain, Client, ClientConfig, LocalAccount, Prettify, Transport } from "viem";
import { BackendPaymasterActions } from "./decorators/paymaster.js";
export type BackendPaymasterConfig<transport extends Transport = Transport, chain extends Chain | undefined = Chain | undefined, account extends LocalAccount = LocalAccount> = Prettify<Pick<ClientConfig<transport, chain, account, undefined>, "cacheTime" | "key" | "name" | "pollingInterval" | "transport" | "chain" | "account"> & {
    account: account;
    paymaster: Address;
}>;
export type BackendPaymaster<transport extends Transport = Transport, chain extends Chain | undefined = Chain | undefined, account extends LocalAccount = LocalAccount> = Prettify<Client<transport, chain, account, undefined, BackendPaymasterActions>> & {
    paymaster: Address;
};
export declare function createBackendPaymaster<transport extends Transport = Transport, chain extends Chain | undefined = Chain | undefined, account extends LocalAccount = LocalAccount>(parameters: BackendPaymasterConfig<transport, chain, account>): BackendPaymaster;