import { type Middleware } from '../api/generated/default';
import { ServicesContainer } from '../types';
/**
 * Appends request authentication headers to a request.
 * Request headers are computed only every SIGNATURE_EXPIRY_MS or when the value returned by `auth.getAddress()` changes.
 * @param options the middleware options
 */
export declare const addRequestSignatureMiddleware: ({ services, apiKey, apiSecret }: {
    services: Partial<Pick<ServicesContainer, 'audiusWalletClient' | 'logger'>>;
    apiKey?: string | undefined;
    apiSecret?: string | undefined;
}) => Middleware;