import { type Address } from 'viem';
import { type ChainId } from '../../config';
export type GetSiweNonceParams = {
    address: Address;
    affiliateId: Address;
    chainId: ChainId;
    domain: string;
    uri: string;
};
export type GetSiweNonceResult = {
    nonce: string;
    issuedAt: number;
    expiresAt: number;
};
/**
 * Requests a SIWE (Sign-In with Ethereum) nonce for the given (address, affiliateId, chainId) tuple.
 * The returned nonce is single-use and expires in approximately 5 minutes server-side.
 * Pass the result to `buildSiweMessage` and then `verifySiwe` to complete authentication.
 *
 * @example
 * import { getSiweNonce } from '@azuro-org/toolkit'
 *
 * const { nonce, issuedAt, expiresAt } = await getSiweNonce({
 *   address: '0xd8dA6BF26964aF9D7eEd9e03E53415D37aA96045',
 *   affiliateId: '0x123...',
 *   chainId: 137,
 *   domain: 'app.example.com',
 *   uri: 'https://app.example.com',
 * })
 * */
export declare const getSiweNonce: (props: GetSiweNonceParams) => Promise<GetSiweNonceResult>;