import type { Account, Chain, Transport, WalletClient } from 'viem';
import type { SignAuthorizationReturnType } from 'viem/accounts';
type Sign7702AuthorizationParams = {
    /** Override the chain ID embedded in the signed authorization. */
    chainId?: number;
};
type Sign7702AuthorizationDeps = {
    /** Default chain ID used when none is supplied via `params`. */
    chainId: number;
    walletClient: WalletClient<Transport, Chain, Account>;
};
/**
 * Signs an EIP-7702 authorization to delegate the user's wallet to the
 * Dynamic gasless delegation contract.
 *
 * The resulting authorization can be passed to `sendSponsoredTransaction`
 * (or any first-time sponsored call) to activate delegation as part of the
 * sponsored intent.
 */
export declare const sign7702Authorization: ({ chainId }: Sign7702AuthorizationParams, { chainId: depsChainId, walletClient }: Sign7702AuthorizationDeps) => Promise<SignAuthorizationReturnType>;
export {};