import type { Hex } from "viem";
import type { Credentials, Method } from "../signer/signer.js";
import type { ConnectedWalletClient } from "../wallet/wallet.js";
/**
 * L1 header payload for wallet-based authentication
 */
export type L1HeaderPayload = {
    POLY_ADDRESS: string;
    POLY_SIGNATURE: Hex;
    POLY_TIMESTAMP: string;
    POLY_NONCE: string;
};
/**
 * Creates L1 authentication headers using wallet signature (EIP-712)
 * Used for creating/deriving API keys
 *
 * @param signer - Account to sign with
 * @param nonce - Nonce for the signature (optional, defaults to random)
 * @param timestamp - Timestamp for the signature (optional, uses server time if provided)
 * @returns L1 header payload
 */
export declare function createL1Headers({ signer, nonce, timestamp }: {
    signer: ConnectedWalletClient;
    nonce?: bigint;
    timestamp?: number;
}): Promise<L1HeaderPayload>;
/**
 * L2 header payload for API key-based authentication
 */
export type L2HeaderPayload = {
    POLY_ADDRESS: string;
    POLY_SIGNATURE: string;
    POLY_TIMESTAMP: string;
    POLY_API_KEY: string;
    POLY_PASSPHRASE: string;
};
/**
 * Arguments for creating L2 headers
 */
export type L2HeaderArgs = {
    method: Method;
    requestPath: string;
    body?: string;
};
/**
 * Creates L2 authentication headers using HMAC signature
 * Used for all authenticated API requests after obtaining API keys
 *
 * @param credentials - API credentials (key, secret, passphrase)
 * @param headerArgs - Request details for signature generation
 * @param timestamp - Optional timestamp (uses server time if provided)
 * @returns L2 header payload
 */
export declare function createL2Headers({ address, credentials, headerArgs, timestamp }: {
    address: string;
    credentials: Credentials;
    headerArgs: L2HeaderArgs;
    timestamp?: number;
}): L2HeaderPayload;
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