import type { OpenRouterPlugin } from '../types';
/**
 * Example plugin that replaces the built-in SecurityManager with a custom one.
 * This custom manager could integrate with external authentication (OAuth, SAML),
 * policy decision points (OPA, custom API), or rate limiting services.
 *
 * @param externalConfig - Configuration specific to the external security integration.
 */
export declare function createExternalSecurityPlugin(externalConfig?: {
    authUrl?: string;
    policyUrl?: string;
    apiKey?: string;
}): OpenRouterPlugin;