import type { PerpsTypedData } from '@lifi/perps-types';
import type { Account, Hex, WalletClient } from 'viem';
/**
 * Sign EIP-712 typed data with a raw private key (agent keypair).
 *
 * @public
 */
export declare function signTypedData(privateKey: Hex, typedData: PerpsTypedData): Promise<Hex>;
/**
 * Sign EIP-712 typed data with an externally-provided WalletClient. Works
 * with browser wallets (wagmi), private keys, mnemonics — any viem
 * WalletClient. Used by provider plugins to sign the EIP712 USER arm with the
 * end-user's wallet.
 *
 * @public
 */
export declare function signTypedDataWithSigner(userWallet: WalletClient<any, any, Account>, typedData: PerpsTypedData): Promise<Hex>;
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